Nelia W. Dunbar
List
of Publications and Talks by Year
2007
- CROWE, R.S., KARLSTROM, K., MCINTOSH, W.C., PETERS, L., AND DUNBAR, N.W., 2007, History Of Quaternary Volcanism In Western Grand Canyon Based On Lidar Analysis, 40Ar/39Ar Dating, And Field Studies: Implications For Flow Stratigraphy, Timing Of Volcanic Events, And Lava Dam Stability: Geological Society of America Abstracts with Program, v. 2007 Annual Meeting, Denver, p. 66-12.
- DUNBAR, N.W., MCINTOSH, W.C., AND ESSER, R.P., 2007, Physical setting and tephrochonology of the summit caldera ice record at Mt. Moulton, West Antarctica: Geological Society of America Bulletin, v. (accepted).
- DUNBAR, N.W., MCINTOSH, W.C., KURBATOV, A.V., AND WILCH, T.I., 2007, Integrated Tephrochronology of the West Antarctic Region- Implications for a potential tephra record in the West Antarctic Ice Sheet (WAIS) Divide Ice Core: 2007 WAIS Divide Science Meeting.
- DUNBAR, N.W., MCINTOSH, W.C., V., K.A., AND WILCH, T.I., 2007, Integrated tephrochronology of the West Antarctic region; implications for a potential tephra record in the West Antarctic ice sheet (WAIS) Divide ice core, in Cooper, A., and Raymond, C., eds., Tenth international symposium on Antarctic earth sciences; Antarctica; a keystone in a changing world, U. S. Geological Survey.
- KARLSTROM, K.E., CROW, R.S., PETERS, L., MCINTOSH, W., RAUCCI, J., CROSSEY, L.J., UMHOEFER, P., AND DUNBAR, N., 2007, Ar-40/Ar-39 and field studies of Quaternary basalts in Grand Canyon and model for carving Grand Canyon: Quantifying the interaction of river incision and normal faulting across the western edge of the Colorado Plateau: Geological Society of America Bulletin, v. 119, p. 1283-1312.
- KONING, D.J., SMITH, G., CONNELL, S.D., SLATE, J.L., WOLDEGABRIEL, G., PETERS, L., MCINTOSH, W., DUNBAR, N., AND HORNING, R., 2007, Tectonic Evolution Of The EspaƱola Basin, Rio Grande Rift, North-Central New Mexico: Geological Society of America Abstracts with Program, v. 2007 Annual Meeting, Denver, p. 182-8.
- PHILLIPS, E.H., GOFF, F., KYLE, P.R., MCINTOSH, W.C., DUNBAR, N.W., AND GARDNER, J.N., 2007, The Ar-40/Ar-39 age constraints on the duration of resurgence at the Valles caldera, New Mexico: Journal of Geophysical Research-Solid Earth, v. 112, p. B08201.
- POMPILIO, M., KYLE, P., WILCH, T., AND DUNBAR, N.W., 2007, The volcanic record in the ANDRILL McMurdo Ice Shelf AND-1B drill core, in Cooper, A., and Raymond, C., eds., Tenth international symposium on Antarctic earth sciences; Antarctica; a keystone in a changing world, U. S. Geological Survey.
- ROSS, J., AND MCINTOSH, W.C., DUNBAR, N.W., 2007, Preliminary 40Ar/39Ar results from the AND-1B core, in Cooper, A., and Raymond, C., eds., Tenth international symposium on Antarctic earth sciences; Antarctica; a keystone in a changing world, U. S. Geological Survey.
- SCANLAN, M., PANTER, K., AND DUNBAR, N., 2007, Evidence for magma mixing/mingling in lavas from Minna Bluff, South Victoria Land, in Cooper, A., and Raymond, C., eds., Tenth international symposium on Antarctic earth sciences; Antarctica; a keystone in a changing world, U.S. Geological Survey.
- SIMPSON, S.W., QUADE, J., KLEINSASSER, L., LEVIN, N., MCINTOSH, W., DUNBAR, N., AND SEMAW, S., 2007, Late miocene hominid teeth from Gona project area, Ethiopia: American Journal of Physical Anthropology, supplement 44, p. 219
- SLETTEN, R.S., MANN, D.H., MCINTOSH, W.C., DUNBAR, N.W., PRENTICE, M.L., DICKINSON, W., AND STONE, J.O., 2007, Possible redeposition of volcanic ashes in the Dry Valleys by glacier transport, in Cooper, A., and Raymond, C., eds., Tenth international symposium on Antarctic earth sciences; Antarctica; a keystone in a changing world, U. S. Geological Survey.
- SWEENEY, D., PHLLIPS, E., MCLEMORE, V., DONAHUE, K., DUNBAR, N., AND HEIZLER, L., 2007, Petrographic techniques used to characterize Molycorp rock piles, Questa, New Mexico: New Mexico Geology, v. 29, p. 61.
- WILCH, T.I., MCINTOSH, W.C., SMELLIE, J.L., DUNBAR, N.W., FARGO, A., SCANLAN, M.K., ROBERTS, P.D., AND PANTER, K.S., 2007, Late Miocene volcanism and glaciation at Minna Bluff, Antarctica, in Cooper, A., and Raymond, C., eds., Tenth international symposium on Antarctic earth sciences; Antarctica; a keystone in a changing world, U. S. Geological Survey.
- WILSON, G.S., LEVY, R.H., BROWNE, G., DUNBAR, N.W., FLORINDO, F., HENRYS, S.A., GRAHAM, I., MCINTOSH, W.C., MCKAY, R.M., NAISH, T.R., OHNEISER, C., POWELL, R.D., ROSS, J.I., SAGNOTTI, L., SCHERER, R.P., SJUNNESKOG, C., STRONG, C.P., TAVIANI, M., AND WINTER, D.M., 2007, Chronostratigraphic constraints on Pliocene warmth and Pleistocene cooling in the ANDRILL-1B drillcore from beneath the McMurdo Ice Shelf, Antarctica.: EOS, Transactions of the American Geophysical Union, p. 88(52), Fall Meeting Supplement.
- WILSON, G.S., LEVY, R.H., BROWNE, G., DUNBAR, N.W., FLORINDO, F., HENRYS, S.A., GRAHAM, I., MCINTOSH, W.C., MCKAY, R.M., NAISH, T.R., OHNEISER, C., POWELL, R.D., ROSS, J.I., SAGNOTTI, L., SCHERER, R.P., SJUNNESKOG, C., STRONG, C.P., TAVIANI, M., AND WINTER, D.M.,2007, Preliminary chronostratigraphy for the upper 700 m (upper Miocene-Pleistocene) of the AND-1B drillcore recovered from beneath the McMurdo Ice Shelf, Antarctica, in Cooper, A., and Raymond, C., eds., Tenth international symposium on Antarctic earth sciences; Antarctica; a keystone in a changing world, U. S. Geological Survey.
- ZIMMERER, M.J., MCINTOSH, W.C., AND DUNBAR, N.W., 2007, The 40Ar/39Ar Geochronology and Thermochronology of the Latir Volcanic Field, New Mexco: Implications for Silicic Caldera Volcanism: New Mexico Geology, v. 29, p. 57.
2006
- CROWE, R.S., KARLSTROM, K., MCINTOSH, W.C., PETERS, L., AND DUNBAR, N.W., 2006, Interactions Between Volcanism, River Incision, And Normal Faulting In Western Grand Canyon And Implications For Neotectonic Models: Geological Society of America Abstracts with Program, v. 2006 Annual Meeting, Philadelphia, p. 112-25.
- DICKENS, A.K., MCINTOSH, W.C., AND DUNBAR, N.W., 2006, Investigation of obsidian hydration and implications for the 40Ar/39Ar dating method: New Mexico Geology, v. 28, p. 59.
- DUNBAR, N.W., 2006, The “Short-Course” Approach For Teaching Electron Microprobe Analysis At The Graduate Level: Geological Society of America Abstracts with Program, v. 2006 Annual Meeting Philadelphia, p. 113-12.
- KELLY, P.J., KYLE, P., AND DUNBAR, N.W., 2006, Crystallization Processes and Magma Chamber Dynamics at the Mount Erebus Volcano Lava Lake: The Mineralogic Message: EOS, Transactions of the American Geophysical Union, v. 87 (52), p. V53E-04.
- KURBATOV, A.V., ZIELINSKI, G.A., DUNBAR, N.W., MAYEWSKI, P.A., MEYERSON, E.A., SNEED, S.B., AND TAYLOR, K.C., 2006, A 12,000 year record of explosive volcanism in the Siple Dome Ice Core, West Antarctica: Journal of Geophysical Research-Atmospheres, v. 111, p. D12307. View PDF
- MCLEMORE, V.T., DONAHUE, K., PHILLIPS, E., DUNBAR, N., SMITH, M., TACHIE-MENSON, S., VITERBO, V., LUETH, V.W., CAMPBELL, A.R., AND WALKER, B.M., 2006, Petrographic, mineralogical and chemical characterization of Goathill North Mine Rock Pile, Questa Molybdenum Mine, Questa, New Mexico:: 2006 Billings Land Reclamation Symposium, June, 2006, Billings, Mt. Published by Published by American Society of Mining and Reclamation, 3134 Montavesta Rd., Lexington, KY, CD-ROM.
- MCLEMORE, V.T., M., D.K., PHILLIPS, E.H., DUNBAR, N., WALSH, P., GUITIERREZ, L.A.F., TACHIE-MENSON, S., SHANNON, H.R., LUETH, V.W., CAMPBELL, A.R., WILSON, G.W., AND WALKER, B.M., 2006, Characterization of Goathill North mine rock pile, Questa molybdenum mine, Questa, New Mexico.: 7th ICARD, March 26-30, 2006, St. Louis MO., American Society of Mining and Reclamation., Lexington, KY, p. 1219-1249. .
- SEAMAN, S.J., DYAR, M.D., MARINKOVIC, N., AND DUNBAR, N.W., 2006, An FTIR study of hydrogen in anorthoclase and associated melt inclusions: American Mineralogist, v. 91, p. 12-20. View PDF
2005
- Bensing, J.P., Mozley, P.S., and Dunbar, N.W., 2005, Importance of clay in iron transport and sediment reddening: Evidence from reduction features of the ABO Formation, New Mexico, USA: Journal of Sedimentary Research, v. 75, p. 562-571.
- Donahue, K.M., Dunbar, N.W., Mclemore, V., Lueth, V.W., Hauff, P.L., and Heizler, L., 2005, The Goathill North Mine Rock Pile And The Goathill And Straight Creek Hydrothermal Alteration Scars, Questa Area, New Mexico: Geological Society of America Abstracts with Program.
- Donahue, K.M., Hauff, P.L., Dunbar, N.W., Lueth, V.W., Mclemore, V.T., and Heizler, L., 2005, Clay Mineralogy Of Alteration Scars And Rock Piles, Questa Area, New Mexico.: New Mexico Geological Society Abstract Volume.
- Dunbar, N.W., 2005, Quaternary Volcanism in New Mexico: New Mexico Museum of Natural History and Science Bulletin, v. 28, p. 95-106. View PDF
- —, 2005, Tephrochronology Of The Siple Dome, Antarctica, Ice Core: Analytical Challenges And Results: Geological Society of America Abstracts with Program.
- Dunbar, N.W., Ennis, D.J., and E., C.C., 2005, Geochemistry, mineralogy, and chronology of K-metasomatism of volcanic rocks near Socorro, New Mexico, USA, 15th annual V M Goldschmidt conference, Volume 69, Pergamon, p. 786.
2004
- Aster, R., McIntosh, W., Kyle, P., Esser, R., Bartel, B., Dunbar, N.,
Johns, B., Johnson, J., Karstens, R., Kurnik, C., McGowan, M., McNamara,
S., Meertens, C., Pauly, B., Richmond, M., and Ruiz, M., 2004, Real-time
date received from Mount Erebus Volcano, Antarctica: EOS Transactions
of the American Geophysical Union, v. 85, no. 10, p. 97-101. View
PDF
- DUNBAR, N., 2004. Quaternary Volcanism in New Mexico. New Mexico Museum
of Natural History "Ice Ages of New Mexico" symposium, Feb.
7, 2004.
- Dunbar, N. W., 2005, Quaternary Volcanism in New Mexico: New Mexico Museum
of Natural History and Science Bulletin, v. 28, p. 95-106. View
PDF
- Dunbar, N.W.,
Kurbatov, A., Zielinski, G., McIntosh, W.C., Price, P.B., and Bay, R.C.,
2004, Volcanic ash records in the Siple Dome Ice Core: Siple Dome Principal
Investigator Meeting, Reno, NV, Feb. 24, 2003. Download
Powerpoint
- Dunbar, N. W.,
and McLemore, V. T., 2004, Evidence for
high temperature, diffusion-controlled crystallization of spherulites
in a rhyolitic lava flow: IAVCEI International Volcanological Congress,
Pucon, Chile.
- DUNBAR, N., and PHILLIPS, F. , 2004, Cosmogenic
36Cl ages of lava flows in the Zuni-Bandera volcanic field, north-central
New Mexico, USA, New Mexico Bureau of Mines and Mineral Resources
Bulletin, v. 160, p. 51-59
- Harpel, C. J., Kyle, P. R., and Dunbar, N. W., 2004, Englacial
tephra from Mount Erebus, Antarctica: IAVCEI International Volcanological
Congress, Pucon, Chile.
- Koning, D., Aby, S., and Dunbar, N., 2004a, Middle-upper Miocene stratigraphy
of the Velarde graben, north-central New Mexico: New Mexico Geol. Soc.
Guidebook, v. 55, p. 358-373.
- Koning, D., Ferguson, J., Paul, P., Dunbar, N., and Baldridge, W. S.,
2004b, Structure and middle-upper Miocene stratigraphy of the Velarde
Graben, north-central New Mexico, and late Cenozoic tectonic implications:
New Mexico Geological Society Abstract Volume, p. 33.
- Love, D. W., Dunbar, N. W., McIntosh, W. C., Connell, S. D., Sorrell,
J., and Pierce, D., 2004, Plio-pleistocene faults and unconformities in
and between the Arroyo Ojito and Sierra Ladrones formations and post-Santa
Fe group piedmont, Mesa Del Sol, Llano de Manzano, central Albuquerque
Basin, New Mexico: New Mexico Geological Society Abstract Volume, p. 39.
- McIntosh, W. C., and Dunbar, N. W., 2004, High-precision
40Ar/39Ar dating of a 10 ka to 492 ka sequence of englacial tephra layers
at Mt. Moulton, Antarctica: IAVCEI International Volcanological Congress.
- Popp, T. J., Sowers, T., Dunbar, N. W., McIntosh, W. C., and White, J.
W., 2004, Radioisotopically Dated Climate
Record Spanning the Last Interglacial in Ice from Mount Moulton, West
Antarctica: EOS Trans. Am. Geophys. Union, v. 85, no. 47.
- Taylor, K. C., Alley, R. B., Meese, D. A., Spencer, M. K., Brook, E.
J., Dunbar, N. W., Finkel, R., Gow, A. J., Kurbatov, A. V., Lamorey, G.
W., Mayewski, P. A., Meyerson, E., Nishiizumi, K., and Zielinski, G. A.,
2004, Dating the Siple Dome, Antarctica Ice Core by Manual and Computer
Interpretation of Annual Layering: Journal of Glaciology, 170, 453-461.
2003
- Aster, R., Mah, S., Kyle, P., McIntosh, W., Dunbar, N., Johnson, J.,
Ruiz, M., and McNamara, S., 2003, Very long period oscillations of Mount
Erebus Volcano: Journal of Geophysical Research-Solid Earth, v. 108, p.
2522-2544. View PDF
- Cather, S.M., Dunbar, N.W., McDowell, F.W., McIntosh, W.C., and Scholle,
P.A., 2003, Early Oligocene Global Cooling,
Volcanic Iron Fertilization, And The Ignimbrite Flare-Up Of Southwestern
North America: Geological Society of America Annual Meeting Abstracts
with Program.
- Connell, S.D., Love, D.W., Jackson-Paul, P.B., Lucas, S.G., Morgan, G.S.,
Chamberlin, R.M., McIntosh, W.C., and Dunbar, N.W., 2001, Stratigraphy
of the Sierra Ladrones Formation type area, southern Albuquerque Basin,
Socorro County, New Mexico; preliminary results. New Mexico Geological
Society spring meeting, Volume 23, New Mexico Bureau of Mines and Mineral
Resources, p. 59.
- Dunbar, N.W., 2003, From Africa to Antarctica:
Adventures in Living and Working in Remote Deserts: Women in Polar
Regions Meeting, Columbus OH, Oct. 9-10.
- DUNBAR, N., G. ZIELINSKI, and D. VOISINS, 2003, Tephra
layers in the Siple and Taylor Dome Ice Cores, Antarctica: Correlations
and Sources. Journal of Geophysical Research,108, 2374-2385.
- Dunbar, N.W., Kurbatov, A., Zielinski, G., McIntosh, W.C., Price, P.B.,
and Bay, R.C., 2003, Volcanic ash records
in the Siple Dome Ice Core: West Antarctic Ice Shelf 2003 Research
Meeting.
- Gamble, J., Price, R., Smith, I., McIntosh, W., and Dunbar, N., 2003, 40Ar/39Ar geochronology of magmatic activity,
magma flux and hazards at Ruapehu volcano, Taupo Volcanic Zone, New Zealand:
Journal of Volcanology & Geothermal Research, v. 120, p. 271-287. View PDF
- Horning, R.R., Dunbar, N.W., Baldridge, W.S., and Kyle, P.R., 2003, Geology
and Petrogenesis of Magmatic Veins at El Porticito Volcanic Vent, Catron
County, New Mexico: New Mexico Geol. Soc. Guidebook, v. 54, p. 139-154.
- Kurbatov, A., Dunbar, N.W., Zielinski, G., Mayewski, P., Curran, M.,
Morgan, V., and van Ommen, T., 2003, Evaluation
of Tephra Found in the Law Dome Ice Core, East Antarctica: EOS Transactions
of the American Geophysical Union.
- Love, D.W., Dunbar, N.W., McIntosh, W.C., Sorrell, J., and Pierce, D.,
2003, Volcanic Debris From The Jemez
Mountains Constrain The Age, Sediment-Source History, And Deformation
Of Fluvial Facies Of The Ancestral Rio Grande (Upper Santa Fe Group),
Central Albuquerque Basin, New Mexico: Geological Society of America
Rocky Mountain Section Annual Meeting.
- MCLEMORE, V., N. DUNBAR, P. KOSUNEN, T. RM, M. HEIZLER, and I. HAAPALA,
2003, Geology and Geochemistry Of The
Redrock Granite and Anorthosite Xenoliths (Proterozoic) in the Northern
Burro Mountains, Grant County, New Mexico, USA: Bulletin of Geological
Society of Finland, 7-52
2002
- ASTER, R., S. MAH, S. MCNAMARA, M. RUIZ, P. KYLE, W. MCINTOSH, and N.
DUNBAR, 2002. VLP-discriminated Strombolian
event families and video observations at Mount Erebus, Antarctica,
EOS, Transactions of the American Geophysical Union, 83.
- ASTER, R. C., MAH, S., RUIZ, M., D., F., DESMARAIS, E., KYLE, P., MCINTOSH,
W., AND DUNBAR, N., 2002, Strombolian-eruption-associated
Very Long-period Oscillations of Mount Erebus, Antarctica.: Seismological
Society of America Annual Meeting Abstract Volume.
- CONNELL, S., S. CATHER, N. DUNBAR, and W. MCINTOSH, 2002. Stratigraphy
of the Tanos and Blackshare Formations (lower Santa Fe Group), Hagan embayment,
Rio Grande rift, New Mexico, New Mexico Geology, 24 (4), 107-120.
- COOPER, K.M., M.R. REID, N.W. DUNBAR, and W.C. MCINTOSH, 2002. Origin
of mafic magmas beneath northwestern Tibet: Constraints from Th-230-U-238
disequilibria : art. no. 1065, Geochemistry Geophysics Geosystems,
3, 1065-1065. View PDF
- DUNBAR, N.W., 2002, History of the Geochronology of the Carrizozo Lava
Flows, New Mexico Geol. Soc. Guidebook, 53, 6-8.
- DUNBAR, N., 2002. Origin
of rhyolitic spherulites at Rockhound State Park, Gemstone Deposits
of Colorado and the Rocky Mountain Region Abstract Volume, Sept. 7-10,
29-32. Download
Powerpoint slideshow
- DUNBAR, N., and ASTER, R., 2002, How can earthquakes be useful?: Lite
Geology, no. 24, p. 1-3.
- DUNBAR, N. W., CHAPIN, C. E., and BRANDVOLD, L. A., 2002, Arsenic in
New Mexico's Water, Earth Matters, New Mexico Bureau of Geology and Mineral
Resources, 1-4.
- HAWLEY, R. L., E. D. WADDINGTON, D. L. MORSE, N. W. DUNBAR, and G. A.
ZIELINSKI, 2002, Dating firn cores by
vertical strain measurements: Journal of Glaciology, V. 48, p410-406
- MANGER, W., A. FALLACARO, and N. DUNBAR, 2002. Depositional
setting, lithologic character, and origin of chert in the Boone Formation
(Lower Mississippian), northern Arkansas, Geological Society of America
Abstracts with Program, 34 (6), 554.
2001
- ASTER, R., S. MAH, J. JOHNSON, P. KYLE, W. McINTOSH, N. DUNBAR, M. RUIZ,
and E. DESMARIAS, 2001, Seismic,
acoustic, and video observations of conduit processes during Strombolian
explosions at Mount Erebus, Antarctica: EOS, Transactions of the American
Geophysical Union, v. 82, p. F1413.
- ASTER, R. C., MAH, S. Y., KYLE, P. R., DUNBAR, N., AND MCINTOSH, W.,
2001, VLP Displacements Observed with
Broadband Seismometers at Mount Erebus Volcano Modeled as a Lava Lake
Seiche: Seismological Society of America Annual Meeting Abstract Volume.
- CONNELL, S., S. CATHER, W. McINTOSH, N. DUNBAR, K. KONING, and R. TEDFORD,
2001, Stratigraphy
of the Lower Santa Fe group deposits in the Hagan embayment and near Zia
Pueblo, New Mexico- Implications for oligo-miocene development of the
Albuquerque Basin: New Mexico Geology, v. 23, p. 60.
- CONNELL, S., D. LOVE, P. JACKSON-PAUL, S. LUCAS, G. MORGAN, R. CHAMBERLIN,
W. MCINTOSH, AND N. DUNBAR, 2001, Stratigraphy
of the Sierra Ladrones formation type area, southern Albuquerque basin,
Socorro County, New Mexico- Preliminary results: New Mexico Geology,
v. 23, p. 59.
- DUNBAR, N., 2001, Past volcanism in Northern
New Mexico- Key to understanding potential future activity: New Mexico
Decision Field guide, v. 1, p. 95-96.
- DUNBAR, N.W., 2001, Cosmogenic Cl-36 dating of the young basaltic lava
flow in New Mexico: Carrizozo and Zuni-Bandera Volcanic Fields. Symposium
on Volcanoes and Volcanology of New Mexico held at the New Mexico Museum
of Natural History, Feb. 27, 2001
- DUNBAR, N.W., ESSER, R.P., McINTOSH, W.C., and KYLE, P.R., (in prep).
Stratigraphy and distribution of tephra layers in blue ice areas in Antarctica:
Insights into glacial processes at the margin of large ice sheets. J.
Glaciology, in revision.
- DUNBAR, N. W., W. C. MCINTOSH, AND D. LOVE, 2001, Dating
basalts using the 40Ar/39Ar method: Improvements based on electron microprobe
evaluation of samples: EOS, Transactions of the American Geophysical
Union, v. 82, p. F1321.
- DUNBAR, N., and V. McLEMORE, 2001, Origin
of rhyolitic spherulites (thundereggs) at Red Rock State Park, New Mexico:
New Mexico Geology, v. 23, p. 22.
- DUNBAR, N., and V. McLEMORE, 2001, Formation
of spherulites as Rockhound State Park- The result of high temperature
crystallization from rhyolitic lava: New Mexico Geology, v. 23, p.
55.
- DUNBAR, N., and F. PHILLIPS, 2004, Cosmogenic
36Cl ages of lava flows in the Zuni-Bandera volcanic field, north-central
New Mexico, USA, 160, 51-59,: New Mexico Bureau of Mines and Mineral
Resources Bulletin. View PDF.
- DUNBAR, N., J. WINICK, and W. McINTOSH, 2001, What
do trace element and argon systematics of melt inclusions tell us about
magma generation, crystallization processes, and time scales in silicic
magma chambers: Penrose Conference on Longevity and Dynamics of Rhyolitic
Magma Systems. June 2001, Mammoth, CA
- LOVE, D., S. CONNELL, R. CHAMBERLIN, S. CATHER, W. MCINTOSH, N. DUNBAR,
G. SMITH, and S. LUCAS, 2001, Constraints
on the age of extensive fluvial facies of the Upper Santa Fe Group, Albuquerque
and Socorro Basins, Central New Mexico: Geological Society of America
Abstracts with Program, v. 2001 GSA Rocky Mountain Section and South-Central
Section Meeting.
- LOVE, D., N. DUNBAR, W. MCINTOSH, C. MCKEE, S. CONNELL, and P. JACKSON-PAUL,
2001, Late miocene to early pleistocene
geologic history of Isleta and Hubbell Spring Quadrangles based on 40Ar/39Ar
ages and geochemical correlations of volcanic rocks: New Mexico Geology,
v. 23, p. 58.
- READ, A., N. DUNBAR, and M. JERCINOVIC, 2001, Monazite
ages determined by electron microprobe analysis of schist from the Rincon
range, southern Sangre de Cristo mountains, New Mexico: New Mexico
Geology, v. 23, p. 52.
- VOISINS, D., A. KURBATOV, N. DUNBAR, and G. ZIELINSKI, 2001, Volcanic
record in the Siple Dome Ice Cores: Siple Dome, Antarctica Science Meeting.
April 19, 20, 2001
- WARDELL, L.J., KYLE, P.R., AND DUNBAR, N.W., 2001. White
Island Volcano, New Zealand: Carbon dioxide and sulfur dioxide emission
rates and melt inclusion studies. Chemical Geology, 177, 187-200. View PDF
- WINICK, J., McINTOSH, W., and DUNBAR, N., 2001, Melt
inclusion hosted excess argon (40ArE) in the quartz crystals of the Bishop
and Bandelier magma systems: Geology, v. 29, p. 275-278.
- ZIELINSKI., N. DUNBAR, A. KURBATOV, AND D. VOISINS, 2001, Holocene
volcanic records in the Siple Dome Ice Core: EOS, Transactions of
the American Geophysical Union, v. 82, p. F1408.
2000
- CAMPBELL, A.R., LUNDBERG, S., and DUNBAR, N.W., 2000. Solid
inclusions of halite in quartz: evidence for the halite trend: Chemical
Geology, v. 173, p. 179-191. View PDF
- DUNBAR, N., 2000, Applications of global
positioning system (GPS) to earth science problems: New Mexico Geology,
v. 22, p. 54.
- DUNBAR, N., and McLEMORE, V., 2000, Preliminary
mineralogy of the Victorio District, New Mexico: New Mexico Geology,
v. 22, no. 1, p. 12 (talk at Mineral Symposium given in 1999, but reference
is 2000).
- ENNIS, D.J., DUNBAR, N.W., CAMPBELL, A.R., and CHAPIN, C.E., 2000. The
effects of K-metasomatism on on the mineralogy and geochemistry of silicic
ignimbrites near Socorro, New Mexico. Chemical Geology, v. 167, 285-312. View PDF
- MCLEMORE, V.T. and DUNBAR, N.W., 2000. Rockhound State Parks and Spring
Canyon Recreation Area. New Mexico Geology, v. 22, no. 3, p. 66-71..
- MCLEMORE, V. T., DUNBAR, N., HEIZLER, M. T., and DONAHUE, K., 2000, Geology
and mineral deposits of the Victorio Mining district, Luna County, New
Mexico: Preliminary observations: ; in Lawton, T. F., McMillan, N.
J., McLemore, V. T., Austin, G., and Barker, J. M. eds., Southwest Passage,
A Trip through the Phanerozoic: New Mexico Geological Society Guidebook
51, pp. 271-282..
- MCLEMORE, V. T., DUNBAR, N.and MCINTOSH, W.C., 2000. Rockhound
and Spring Canyon State Parks. in Lawton, T. F., McMillan, N. J.,
McLemore, V. T., Austin, G., and Barker, J. M. eds., Southwest Passage,
A Trip through the Phanerozoic: New Mexico Geological Society Guidebook
51, pp. 33-34.
- MUNROE, E. A., MCLEMORE, V. T., DUNBAR, N., 2000, Mine
waste rock pile geochemistry and mineralogy in southwestern New Mexico:
ICARD 2000, Proceedings from the 5th Annual Conference on Acid Rock Drainage
p. 1327-1336.
- MUNROE, E. A., MCLEMORE, V. T., DUNBAR, N., 2000, Mine
waste rock pile geochemistry and mineralogy in southwestern New Mexico:
5th Annual Conference on Acid Rock Drainage- Abstract Volume, p. 23.
- PHILLIPS, F., McINTOSH, W., and DUNBAR, N., 2000, Extensional
collapse of the Owens Valley during the late Pliocene: Geological
Society of America Abstracts with Program, v. 32, no. 7, p. A507.
- WARDELL, L. J., KYLE, P.R., DUNBAR, N., CHRISTIANSEN, B., 2000. White
Island volcano, New Zealand: Carbon dioxide and sulfur dioxide flux measurements
and melt inclusion studies.: IAVCEI General Assembly, Bali, July 2000.
Abstract Volume., p. 190.
- WINICK, J., DUNBAR, N., and MCINTOSH, W., 2000, Melt
inclusion hosted excess argon (40ArE) in the quartz crystals of the Bishop
and Bandelier magma systems: New Mexico Geology, 22, 38.
- WINICK, J., McINTOSH, W., and DUNBAR, N., 2000, The
implications of melt inclusion hosted excess argon (40ArE) to the study
of silicic magma systems and the 40Ar/39Ar dating method: EOS, Transactions
of the American Geophysical Union, v. 81, no. 48, p. F1387.
1999
- DUNBAR, N.W., 1999. Cosmogenic 36Cl-determined
age of the Carrizozo lava flows, south-central New Mexico. New Mexico
Geology, 21, 25-28.
- DUNBAR, N.W., 1999, Meteorites, ice,
and time: Stranding surfaces as a window into the history of the East
Antarctic Ice Sheet: Invited talk at William A. Cassidy retirement
symposium.
- DUNBAR, N.W., 1999. Could New Mexico see Lava Flow again? Insights and
Opinion article requested by Albuquerque Tribune, published Oct.7 , 1999
- DUNBAR, N.W., MCINTOSH, W., ESSER, R., WILCH, T. and ZIELINSKI, G., 1999. Englacial tephrochronology in West Antarctica:
Constraints on Ice Sheet History, and potential longer ice records,
8th International Symposium on Antarctic Earth Science, Victoria University
of Wellington, New Zealand, pp. 95.
- DUNBAR, N.W., and McLEMORE, V.T., 1999. Mineralogy
of the Victorio Mountain District, New Mexico. Twentieth annual New
Mexico Mineral Symposium. (Presented by V.T. McLemore).
- DUNBAR, N.W., WELCH, S., AND HOFFMAN, G., 1999. "Magnifying Miniature
Minerals (and glass!). Lite Geolgy, No.22, 11-13
- ESSER, R., KYLE, P.R. and DUNBAR, N., 1999. 40Ar/39Ar
chronology of the Pleiades Volcanic Centre, Northern Victoria Land, Antarctica:
A potential source of late-pleistocene englacial tephra layers, 8th
International Symposium on Antarctic Earth Science, Victoria University
of Wellington, New Zealand, pp. 100.
- LICHT, K.J., DUNBAR, N.W., JENNINGS, A.E., ANDREWS, J.T., 1999. Sedimentological
evidence for the maximum extent of grounded ice in the western Ross Sea,
Antarctica during the last glacial maximum. Geol. Soc. Am. Bull, 111,
91-103.
- LOVE, D., F. MALDONADO, B. HALLETT, K. PANTER, C. REYNOLDS, W. MCINTOSH,
AND N. DUNBAR, 1999, Preliminary geologic map of the Dalies quadrangle,
Valencia County, New Mexico: 1999 USGS Middle Rio Grande Basin Study Workshop.
- MAILLOUX, B., M. PERSON, S. KELLY, N. DUNBAR, L. STRAYER, S. CATHER,
and P. HUDLESTON, 1999, Tectonic controls on the present-day and paleohydrology
of the Rio Grande Rift, New Mexico: Water Resources Research, 35,
2641-2659.
- MUNROE, E. A., V. MCLEMORE, and N. DUNBAR, 1999, Mine
waste rock pile mineralogy and geochemistry in select areas of the Hillsboro
mining district, Sierra County, New Mexico: Insights into metal mobility:
New Mexico Geological Society Abstract Volume, v. 1999, p. 15.
- WILCH, T.I., MCINTOSH, W.C., AND DUNBAR, N.W., (1999). Late
Quaternary volcanic activity in Marie Byrd Land: Potential 40/39 Ar dated
time horizons in West Antarctic ice and marine cores. Geol. Soc. Am.
Bull., 111, 1563-1580.
- WELCH, S., DUNBAR, N.W., AND CHAPIN, C.E., 1999. "Canadian prospecting
finally pays off". Lite Geology, No. 21, 1-2
1998
- DUNBAR, N.W., 1998. Cl-36 dating of the upper
and lower Carrizozo lava flows, south-central New Mexico. New Mexico
Geology, 20: 53.
- DUNBAR, N. W., ESSER, R.P. and MCINTOSH, W.C., 1998, Englacial tephra
layers in West Antarctica: Implications for the history of the West Antarctic
Ice Sheet: Antarctic Journal of the U.S., v. XXXIII- Review 1998.
- DUNBAR, N. W., MCINTOSH, W.C., and R. P. ESSER, 1998, Englacial tephra
layers as indicators of ice flow patterns at the margins of the East Antarctic
Ice Sheet: Antarctic Journal of the U.S., v. XXXIII- Review 1998.
- DUNBAR, N. W., MCINTOSH, W.C., ESSER, R.P., WILCH, T., and G. ZIELINSKI,
1998, Direct dating and geochemical correlations
of englacial tephra layers at two sites in West Antarctica: Proceedings
of the West Antarctic Ice Sheet Meeting Chapman Conference, Sept. 13-18,
1998, p. 18-19.
- ESCHENBACHER, A. J., P. R. KYLE, J. LOWENSTERN, and N. W. DUNBAR, 1998,
Melt inclusion investigation of the volatile behavior of fractionating,
alkaline, magma, Mount Erebus, Ross Island, Antarctica: PACROFI VII.
- ESCHENBACHER, A. J., P. R. KYLE, J. LOWENSTERN, and N. W. DUNBAR, 1998,
Pre-eruptive volatile contents of an evolving, alkaline, magma system,
Mount Erebus, Ross Island, Antarctica: IAVCEI International Volcanological
Congress, p. 18.
- HARVEY, R.P., DUNBAR, N.W., MCINTOSH, W.C., ESSER, R.P., NISHIIZUMI,
K, AND TAYLOR, S., 1998 A meteoritic
event recorded in Antarctic ice. Geology, 26, 607-610.
- HORNING, R. R., N. W. DUNBAR, P. R. KYLE, and W. S. BALDRIDGE, 1998,
Evolution and emplacement of an unusual veined tephrite-basanite intrusion
at El Porticito, NM: Geological Society of America Abstracts with Program,
v. 30, p. 10.
- SIGURDSSON, H., W. C. MCINTOSH, N. W. DUNBAR, C. LACASSE, and S. CAREY,
1998, Thorsmork Ignimbrite in Iceland: Possible source of North Atlantic
ash: EOS, Transactions of the American Geophysical Union, v. 1998 Spring
Meeting, p. V51A-08.
- ZIELINKSI, G., and N. DUNBAR, 1998, Volcanic Record from the Siple and
Taylor Domes, Antarctica: WAISCORES Meeting, Sept. 10, 1998.
1997
- BERATAN, K.K., PEER, B., DUNBAR, N.W., AND BLOM, R., 1997. A
remote sensing approach to alteration mapping: AVIRIS data and extension-related
potassium metasomatism, Socorro, New Mexico. Int. J. Remote Sensing,
v. 18, 15 p.
- DUNBAR, N.W., 1997. Innovations is geochemical
and geochronological techniques: Implications for the next 50 years of
New Mexico geology. NMGS spring meeting, p 14.
- DUNBAR, N.W., ESSER, R.P., MCINTOSH, W.C., ZIELINKSI, G.A., AND KYLE,
P.R., 1997. Englacial
Tephra Layers in West Antarctica: Implications for the history of the
West Antarctic Ice Sheet. Fourth Annual West Antarctic Ice Sheet Initiative
Workshop.
- DUNBAR, N.W., ESSER, R.P., MCINTOSH, W.C., KYLE, P.R., AND ZIELINKSI,
G.A., 1997. Englacial Tephra Layers in
the East and West Antarctic Ice Sheets: Indicators of Glacial Flow Patterns
on Ice Sheet Margins. Fall AGU meeting
- MEEKS, L.K., MANGER, W.L., AND DUNBAR, N.W., 1997. Diagenetic patterns
in the preservation of cephalopod shells, Fayetteville black shale (Chesterian,
Upper Missippian), Southern Ozark Region. Geol. Soc. Am. Abstr. w/ program.
v. 29, no. 6, p. A-267
- PHILLIPS, F.M., DUNBAR,N., ZREDA, M.G., 1997. A Test of Chlorine-36 for
Dating of Late Quaternary Basaltic Volcanos. Fall AGU meeting
1996
- CAMPBELL, A.R., HEIZLER, M.T., and DUNBAR, N.W., 1996. 40Ar/39Ar
dating of fluid inclusions in quartz from the Capitan Pluton, New Mexico.
New Mexico Geology, 18, 43.
- COOPER, K., REID, M., DUNBAR, N.W., MCINTOSH, W.C., PHILLIPS, F.M., 1996. 238U/236Th disequilibrium in Quaternary volcanic
rocks from the Ashikule Basin, Northwestern Tibetan Plateau. EOS, v. 77
no. 46, p. F790.
- DUNBAR, N.W., CAMPBELL, A.R., and CANDELA, P.A., 1996. Physical,
chemical and mineralogical evidence for magmatic fluid migration within
the Capitan pluton, southeastern New Mexico. Geol. Soc. Am. Bull.,
108, 313-333.
- DUNBAR, N.W., KELLEY, S., and MIGGINS, D., 1996. Chronology
and thermal history of potassium metasomatism in the Socorro, NM, area:
Evidence from 40Ar/39Ar dating and fission track
analysis. New Mexico Geology, 18, 50.
- DUNBAR, N.W., KYLE, P.R., MCINTOSH, W.C., and ESSER, R.P., 1996. Tephra
layers in blue ice, Allan Hills, Antarctica: A new source of glacial tephrochronological
data. Antarct. J. U.S.
- DUNBAR, N.W., MCINTOSH, W.C., CATHER, S.M., CHAMBERLIN, R.M., HARRISON,
B., and KYLE, P.R., 1996. Distal tephras from the Jemez volcanic center
as potential time-stratigraphic markers in the ancestral Rio Grande sediments
from the Socorro area. N. M. Geol. Soc. Guidebook, 47.
- DUNBAR, N.W., MCINTOSH, W.C., and PHILLIPS, F.M., 1996. Field relationships,
chronology and petrology of a volcanic system in the northern Tibetan
plateau. EOS, Trans. AGU, 77, S292.
- DUNBAR, N.W., PHILLIPS, F.M., MCINTOSH, W.C., 1996. Uplift of the Northern
Tibetan Plateau: Insights from 40Ar/39Ar and 36Cl
analysis of young lava flows. EOS, v. 77 no. 46, p. F694.
- HORNING, R.R., DUNBAR, N.W., KYLE, P.R., and BALDRIDGE, W.S., 1996. Evolution
of igneous veins intruding basanite at El Porticito, Quemado, NM. New
Mexico Geology, 18, 53.
- MAILLOUX, B.J., PERSON, M., STRAYER, L., HUDLESTON, P., DUNBAR, N., KELLEY,
S., CATHER, S., 1996. Tectonic controls on the hydrothermal evolution
of the LaJencia and Socorro Basins of the Rio Grande Rift. Geol. Soc.
America Abst. w/ program, v. 28, p A-255.
- MALLIOUX, B., PERSON, M., HUDLESTON, P., DUNBAR, N., KELLY, S., and CATHER,
S., 1996. Tectonic controls on the hydrothermal evolution of the La Jencia
and Socorro Basins of the Rio Grande Rift: Implications for potassium
metasomatism. EOS, Trans. AGU, 77, S105.
- MCINTOSH, W.C. and DUNBAR, N.W., 1996. Chronolgy of tephra deposits in
Rio Grande basin-fill sequences, central and southern New Mexico. New
Mexico Geology, 18, 50.
1995
- DUNBAR, N.W., 1996. Popocatepetl
Volcano: past eruptions - future dangers? Lite Geology, Summer 1996,
p. 1-2.
- DUNBAR, N.W., 1996. Have
you ever wondered.... How volcanologists help solve environmental problems? Lite Geology, Spring 1996. P. 2-5.
- CHAPIN, C.E. and DUNBAR, N.W., 1995. A regional perspective on arsenic
in waters of the middle Rio Grande Basin, New Mexico. Proceedings of the
39th Annual New Mexico Water Conference. WRRI Report No. 290, p. 257-276.
- DUNBAR, N.W. and CHAPIN, C.E., 1995. Arsenic
mobility during geological processes: Implications for tracing groundwater
flow. SEGH Second International Conference on Arsenic Exposure and
Health Effects, p. 50.
- DUNBAR, N.W., CHAPIN, C.E., and ENNIS, D.J., 1995. Arsenic
enrichment during potassium metasomatism and hydrothermal processes in
the Socorro, NM area- Implications for tracing groundwater flow. New
Mexico Geology, 17, 26.
- DUNBAR, N.W. and CHAPIN, C.E., 1995. Arsenic
mobility during geological processes: Implications for tracing groundwater
flow. SEGH Second International Conference on Arsenic Exposure and
Health Effects, p. 50.
- DUNBAR, N.W., JACOBS, G.K. AND NANEY, M.T., 1995. Crystallization
processes in an artificial magma: variations in crystal shape, growth
rate and composition with melt cooling history. Contrib. Mineral.
Petrol. 120, 412-425.
- DUNBAR, N.W., KYLE, P.R., McINTOSH, W.C., and ESSER, P.R., 1995a. Geochemical
Composition and Stratigraphy of Tephra Layers in Antarctic Blue Ice: Insights
into Glacial Tephrochronology. Ant. Jour. of the U.S.
- DUNBAR, N.W., KYLE, P.R., MCINTOSH, W.C., and ESSER, R.P., 1995b. Geochemical
composition and stratigraphy of tephra layers in Antarctic blue ice: Insights
into glacial tephrochronology. VII International Symposium of Antarctic
Earth Sciences, Siena, Italy. p. 115.
- DUNBAR, N.W., KYLE, P.R., MCINTOSH, W.C., and ESSER, R.P., 1995c. Tephra
layers in blue ice, Allan Hills, Antarctica: A new source of glacial tephrochronological
data. IUGG XXI General Assembly, Abstracts, P. A303.
- HARVEY, R.P., DUNBAR, N.W., MCINTOSH, W.C., ESSER, R.P., NISHIIZUMI,
K, AND TAYLOR, S., 1995, A meteoritic event recorded in Antarctic ice
Geol. Soc. Am. Abstr. w/ Prog., v.27, no. 6, p. A-210.
- PERSON, M., MAILLOUX, B., STRAYER, L., HUDLESTON, P., CATHER, S., DUNBAR,
N.W., 1995. Tracing groundwater flow across sedimentary basins using geothermal
date: A Bredehoeft legacy. Geol. Soc. Am. Abst. w/ Prog., v. 27, no. 6,
p. A-312.
1994
- ALEXIADES, V., JACOBS, G.K., and DUNBAR, N.W., 1994. Constraints
on mass balance of soil moisture during in situ vitrification. Envir.
Geol., 23, 83-88.
- CAMPBELL, A.R., HEIZLER, M.T., and DUNBAR, N.W., 1994. 40Ar/39Ar
dating of fluid inclusions in quartz from the Capitan Pluton, New Mexico.
P.A.C.R.O.F.I., 5, 11.
- DUNBAR, N.W., CHAPIN, C.E., and CAMPBELL, A.R., 1994. Trace element and
mineralogical alteration associated with moderate and advanced degrees
of K-metasomatism in a rift basin at Socorro, NM. SME Technical Program,
Feb 14-17, 48.
- DUNBAR, N.W., CHAPIN, C.E., ENNIS, D.J., and CAMPBELL, A.R., 1994. Trace
element and mineralogical alteration associated with moderate and advanced
degrees of K-metasomatism in a rift basin at Socorro, New Mexico.
N. M. Geol. Soc. Guidebook, 45, 225-232.
- DUNBAR, N.W., CASHMAN, K.V., AND DUPRE, R., 1994. Crystallization
processes of anorthoclase phenocrysts in the Mount Erebus magmatic system:
Evidence from crystal composition, crystal size distributions and volatile
contents of melt inclusions. In: Volcanological Studies of Mount Erebus.
Antarctic Research Series, 66, 129-146.
- DUNBAR, N.W., and PHILLIPS, F.M., 1994. 36Cl surface exposure
determinations of eruption ages for quaternary lava flows of the Zuni-Bandera
Volcanic field. N.M Geology, 16, p. 80.
- ENNIS, D.J., DUNBAR, N.W., and CAMPBELL, A.R., 1994. Potassium Metasomatism
of silicic ignimbrites: The relationship between the mineralogical assemblage
and the chemical changes associated with potassic alteration. New Mexico
Geology, 16, 35.
1993
- DUNBAR, N.W., 1993. High
adventure on the Tibetan Plateau. Lite Geology,
Winter 1993, 6-10.
- DUNBAR, N.W. AND KYLE, P.R., 1993. Lack
of volatile gradient in the Taupo plinian-ignimbrite transition: Evidence
from melt inclusion analysis. Am. Mineral., 78, 612-618.
- DUNBAR, N.W., RICIPUTI, L.R., JACOBS, G.K., AND NANEY, M.T., 1993. Generation
of rhyolitic melt in an artificial magma: Implications for fractional
crystallization process in natural magmas. J. Volcanol. Geotherm.
Res., 57, 157-166.
- SMELLIE, J. L., MCINTOSH, W. C., GAMBLE, J. A., PANTER, K. S., KYLE,
P. R., and DUNBAR, N. W., 1993, Preliminary Lithofacies Assessment and
Ar-40/Ar-39 Ages of Cenozoic Volcanic Sequences in Eastern Marie-Byrd-Land:
Antarctic Science, v. 5, no. 1, p. 105-106.
- WILCH, T.I., MCINTOSH, W.C., PANTER, K.S., and DUNBAR, N.W., 1993. Preliminary
report on field investigations and argon-40/argon-39 geochronology of
the Crary Mountains volcanoes, Marie Byrd Land, West Antarctica. Antarct.
J. U.S., 28, 7-9.
1992
- DUNBAR, N. W., 1992, Volatile and particulate emissions from a man-made
magma body: Implications for volatile emissions from natural volcanic
systems: EOS, Transactions of the American Geophysical Union, p. 372.
- DUNBAR, N.W. AND HERVIG, R.L., 1992A. Petrogenesis
and volatile stratigraphy of the Bishop Tuff: Evidence from melt inclusion
analysis. J. Geophys. Res., 97, 15129-15150.
- DUNBAR, N.W. AND HERVIG, R.L., 1992B. Volatile
and trace element composition of melt inclusions from the Lower Bandelier
Tuff: Implications for eruptive style and magma chamber processes.
J. Geophys. Res., 97, 15151-15170.
- DUNBAR, N.W. AND KYLE, P.R., 1992. Volatile
contents of obsidian clasts in tephra from the Taupo Volcanic Zone, New
Zealand: Implications to eruptive processes. J. Volcanol. Geotherm.
Res., 49, 127-145.
- HERVIG, R.L. AND DUNBAR, N.W., 1992. Cause
of chemical zoning in the Bishop and Bandelier magma chambers. Earth
Planet. Sci. Lett., 111, 97-108.
- JACOBS, G. K., ALEXIADES, V., DUNBAR, N. W., and Naney, M. T., 1992,
Conduction-diffusion simulation of the crystallization and cooling behavior
of a field-scale melting experiment: EOS, Transactions of the American
Geophysical Union, v. 73, p. 647.
- JACOBS, G.K., DUNBAR, N.W., NANEY, M.T., and WILLIAMS, R.T., 1992. In
Situ Vitrification: Observations of petrological processes in a man-made
magmatic system. EOS, Trans. AGU, 73, 401-411.
- NANEY, M. T., DUNBAR, N. W., RICIPUTI, L., and CHRISTIE, W. H., 1992,
Generation of rhyolitic melt from a basaltic parent: Crystallization processes
within a man-made magma body: EOS, Transactions of the American Geophysical
Union, p. 358.
- SPALDING, B.P., JACOBS, G.K., DUNBAR, N.W., NANEY, M.T., TIXIER, J.S.,
and POWELL, T.D. (1992): Tracer level radioactive pilot-scale test of
ISV technology for the stabilization of contaminated soil sites at ORNL.
Environmental Science Division Publication 3962.
- TIMMERMAN, C.L., CAMPBELL, B.E., BERGSMAN, T.M., CALLOW, R.A., DUNBAR,
N.W., SLATER, C.E., and THOMPSON, L.E., 1992. Large-scale hazardous waste
ISV system Operational Acceptance Test (OAT-2) Hood event- Final Report.
Informal Report,, 1-39.
1991
- DUNBAR, N. W., and KYLE, P. R., 1991, Low pressure crystallization of
anorthoclase crystals from phonolitic melt, Mount Erebus, Antarctica:
Evidence from volatile contents of melt inclusions: Sixth International
Symposium on Antarctic Earth Sciences, Japan, v. 1, p. 124.
- JACOBS, G. K., DUNBAR, N. W., and TAYLOR, L. A., 1991, Carbon-controlled
magmatic oxidation state: Evidence from reduction of metal from a man-made
andesitic magma: EOS, Transactions of the American Geophysical Union,
v. 72, no. 44, p. 575.
- NANEY, M. T., JACOBS, G. K., and DUNBAR, N. W., 1991, Thermal profiling
of a man-made magma chamber: Petrologic implications: EOS, Transactions
of the American Geophysical Union, v. 72, no. 44, p. 575.
1990
- DUNBAR, N.W. and KYLE, P.R., 1990. Volatile contents of melt inclusions
in anorthoclase phenocrysts from Mount Erebus: Implications for magmatic
crystallization. Antarct. J. U.S. XXV, 9-11.
- KYLE, P.R., MEEKER, K.A., MCINTOSH, W.C., DUNBAR, N.W., ANDRES, B., and
CALDWELL, D., 1990. Volatile Emissions from Mount Erebus. Antarct. J.
U.S., XXV, 9.
1989
- DUNBAR, N.W., HERVIG, R.L., and KYLE, P.R., 1989. Determination
of pre-eruptive H2O, F and Cl contents of silicic magmas using
melt inclusions: Examples from Taupo volcanic center, New Zealand.
Bull. Volcanol., 51, 177-184.
- DUNBAR, N.W., KYLE, P.R., AND WILSON, C.J.N., 1989. Evidence
for limited zonation in silicic magma systems, Taupo Volcanic Zone, New
Zealand. Geology, 17, 234-236.
- HERVIG, R.L., DUNBAR, N.W., WESTRICH, H.R., and KYLE, P.R., 1989. Pre-eruptive
water content of rhyolitic magmas as determined by ion microprobe analyses
of melt inclusions in phenocrysts. J. Volcanol. Geotherm. Res., 36, 293-302.
1988
- DUNBAR, N.W., 1988. Pre-eruptive volatile contents and degassing systematics
of rhyolitic magmas from the Taupo Volcanic Zone, New Zealand. New Mexico
Institute of Mining and Technology. 362 p.
1987
- DAVIS, P. T., FIELD, S. W., and DUNBAR, N. W., 1987, Geochemistry and
petrology of Cascade Range tephras in lake sediments and recurrence intervals
of eruptions of Mt. St. Helens, southwestern Washington, U.S.A: Geological
Society of America Abstracts with Program, v. 19, no. 7, p. 637.
- DUNBAR, N. W., HERVIG, R., and TAYLOR, B. E., 1987, Volatile contents
and degassing behavior of rhyolitic magmas from the Taupo Volcanic Zone,
New Zealand: International Union of Geology and Geophysics, Abstract Volume,
v. V3, no. 5, p. 404.
- DUNBAR, N. W., and KYLE, P. R., 1987, Studies of magmatic volatiles using
glass inclusions in crystals from the Taupo Volcanic Zone, New Zealand,
and Mt. Erebus, Antarctica: American Conference on Research on Fluid Inclusions
Abstract Volume.
1986
- KYLE, P.R., EGGLESTON, T.E., MCINTOSH, W.C., DUNBAR, N.W., HAMMOND, C.M.,
JOHNSON, W.D., KNOPER, M., and MOORE, J., 1986. Pyroclastic rocks associated
with the Taylor Creek Rhyolite, Scales Canyon, New Mexico. N. M. Geol.
Soc. Guidebook, 37, 197-202.
1985
- McINTOSH, W.C., LEMASURIER, W.E., ELLERMAN, P.J., and DUNBAR, N.W., 1985.
A re-interpretation of glacio-volcanic interaction at Mount Takahe and
Mount Murphy, Marie Byrd Land, Antarctica. Antarct. J. U.S., 20, 57-59.
1983
- DUNBAR, N.W., 1983. Recurrence intervals of Mount St. Helens Tephra Eruptions.
Mount Holyoke College. 76 p.