Publications:
Dunbar, N., 1999, Cosmogenic 36Cl-determined age of the Carrizozo lava flows, south-central New Mexico: New Mexico Geology, v. 21, p. 25-29.Licht, K. J., N. W. Dunbar, A. E. Jennings, and J. T. Andrews, 1999, Sedimentological evidence for the maximum extent of grounded ice in the western Ross Sea, Antarctica during the last glacial maximum: Geological Society of America Bulletin, v. 111, p. 91-103.
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, v. in press.
Papers presented at professional meetings:
Dunbar, N., 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 (not presented because of death in family).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.
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.
Seminars:
Seminar on Antarctica presented at the New Mexico Tech Chapter
of Sigma Xi.
Research Contracts and Grant Proposed:
Collaborative Research: Spatial variability in, and climatic significance
of ice core derived volcanic records spanning 200 years. Submitted
to NSF
Graduate Student Projects
Committee member for Sarah Wilson's M.S. thesis project on "40Ar/39Ar
dating of fluid inclusions"
Co-advisor for Jeff Winick
Committee member for Chris Harpel
Committee member for Richard Law
Committee member for Peter Rinkleff's M.S. thesis project on "Geochemical and petrologic evolution of the Kuril Lake Caldera Ignimbrite, Kamchatka, Russia: Implications for magma chamber zonation and caldera formation.
Committee member for Shelley Rourke's M.S. thesis project on "Kamchatka tephrochronology"
Committee member for Jerzy Kulis's M.S. thesis project on infrared microscopic and geochemical analysis of pyrite.
Courses Taught:
Geochem 589. Spring, 1999. "Theory and Practice of Electron
Microprobe Analysis" class. 9 students during the fall semester.
Bureau Service Projects:
Co-organizer of the Spring New Mexico Geological Society Meeting
(April 9, 1999)
Bureau Equipment Committee member
Member of the Geological Editorial Board for Lite Geology
Active Research Projects:
*Chemical and mineralogical alteration associated with potassium
metasomatism in the Socorro, NM area
*Dating of mineralization in the Capitan pluton using Ar-40/Ar-39
*Tephrochronology, chemical fingerprinting, and correlation of tephra layers in ancestral Rio Grande sediments.
*Exposure-age dating of young basalts in the Zuni-Bandera Volcanic field.
*Investigation of the pre-eruptive volatile composition and chemistry of the Peralta Tuff, Jemez Mountains, New Mexico. Collaborative research with T. Spell and L. Justet, UNLV.*Investigation of the eruptive history, chemical composition, magmatic evolution, and chronology of the Los Lunas Volcano, New Mexico. Collaborative research w/ D. Love, W. McIntosh, K. Panter.
*Uplift rates of the Tibetan plateau
*Tephras in blue ice areas of Antarctica
Public service/education and other accomplishments
-Organized Spring 1999 NMGS Meeting
-Assisting numerous researchers and students with sample preparation for, and collection and presentation of electron microprobe and scanning electron microscope analyses.
-Providing tours of the electron microprobe facility for New Mexico Tech alumni, New Mexico Tech classes, and visiting educational groups.
-Adjunct Appointment to E&ES Department, serving as adjunct representative for appointment of the next E&ES Department Chair.
-Assistance of Park Service in preparation of displays for the new "Rockhound" State Park visitor center.
-Answering various phone calls and other inquiries about volcanoes, earthquakes, and other aspects of New Mexico geology.