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The Valles caldera, located in the heart of the Jemez Mountains in north-central New Mexico, is the world’s premier example of a resurgent caldera, a giant circular volcano with an uplifted central floor and a near-perfect ring of roughly 15 postcaldera lava dome and flow eruptions.

This new Valles caldera map and cross sections represent the cumulative research efforts of countless geologists over the past 40 years, and several state and federal agencies. GM–79 compiles detailed geologic mapping completed in the past eight years from parts of the nine 7.5–min USGS topographic quadrangles that encompass the caldera. More than 150 map units are described in detail. Also incorporated are new geochronologic data and recent refinements to nomenclature.

Available folded or rolled (additional charge of $5.00 for rolled).
$18.95 plus $6.50 for shipping and handling and 5% gross receipts tax for NM residents.

There is also a bandana and puzzle version of this geologic map available.

This boxed set of six volumes provides the most comprehensive and extensive review of New Mexico’s energy and mineral resources to-date. Each volume focuses on the geologic nature of the resource, the history of the resource development in New Mexico, and their importance to the world and New Mexico’s economy. Written by New Mexico’s own experts in the fields, this set covers energy resources of petroleum, natural gas, coal, uranium, and geothermal, along with the resources of metals and industrial minerals and rocks.

This memoir is published jointly by the New Mexico Bureau of Geology & Mineral Resources and the New Mexico Geological Society.

Energy and Mineral Resources of New Mexico, NMBGMR, Memoir 50 and NMGS Special Publication 13 (six-volume boxed set)

A: Petroleum Geology — Ronald F. Broadhead

B: Coal Resources — Gretchen K. Hoffman

C: Uranium Resources — Virginia T. McLemore and William L. Chenoweth

D: Metallic Mineral Deposits — Virginia T. McLemore and Virgil W. Lueth

E: Industrial Minerals and Rocks — Virginia T. McLemore and George S. Austin

F: Overview of the Valles Caldera (Baca) Geothermal System — Fraser Goff and Cathy J. Goff

Few places in the U.S. boast as rich a diversity of landscape and public lands as northern New Mexico. Here in one volume is an authoritative overview of the geology of these parks, monuments, and public lands, with information on the regional setting, the rock record, and the most prominent geologic features. The book includes chapters on nine national parks and monuments, seventeen state parks, and many of the most popular Bureau of Land Management and U.S. Forest Service units in this part of the state. Also included are chapters on two of our newer units, the Valles Caldera National Preserve and Kashe-Katuwe Tent Rocks National Monument. With nearly 300 full-color geologic maps, graphics, and photographs, the book is a perfect introduction to the some of New Mexico's most significant geologic landscapes.

Free sample chapter—Ghost Ranch (4 MB PDF)

This Resource Map locates and describes 246 mining areas in New Mexico (excluding coal fields). The included booklet begins with a brief description of the history of mining in New Mexico and is followed by discussions of previous work, mining claims, the definition of a mining district, mining methods, and classification of mineral deposits. Short descriptions of individual mining districts and prospect areas in New Mexico are in Appendix 1. Appendix 2 includes metal production from selected districts. Appendix 3 is a summary of previous mining districts maps. This report updates File and Northrop (1966), Howard (1967), and Mardirosian (1971), the last comprehensive summaries of all mining districts in New Mexico.

The Rio Grande is the fourth longest river in North America. Flowing nearly 2,000 miles from Colorado to the Gulf of Mexico, in New Mexico it occupies the Rio Grande Valley, where it provides water for habitat, agriculture, and a growing population. In northern New Mexico, where the river has carved a pair of spectacular canyons, the Rio Grande also provides some of the most exceptional recreation opportunities and scenery in North America. This comprehensive, spiral bound, waterproof, 122-page river guide provides detailed, full-color maps of 153 miles of the Rio Grande, from Lasauses, Colorado to Cochiti Dam in New Mexico. Divided into eleven river stretches—including the popular whitewater runs in the Taos Box, Racecourse, and White Rock Canyon—the guide covers stretches that range in difficulty from placid canoe tours to gripping kayak descents. The river maps are developed on an aerial photographic base (digital orthophoto quads), allowing the user to more easily identify locations.

The geology of the region is likewise exceptional. The river spills from the San Juan Mountains into the Rio Grande rift, where several million years of erosive action have exposed a geologic cornucopia, including three major volcanic fields (including the Jemez supervolcano), seismically active faults, extinct Pleistocene lakes, and ancient rocks of the Rocky Mountains. The guide uses non-technical language and lavish illustrations to interpret the evolution of this magnificent landscape.

Although the focus of the guide is on geology and landscape, the guide is packed with information and photos on geography, hydrology, climate, boating safety, river management, rock art, and much more. Providing detailed information on access and trails, history and landscape, railroads and mining, this guide is also an invaluable resource for hikers, anglers, cyclists, day trippers, historians, philosophers, and casual visitors.

• Winner, 2011 National Outdoor Book Award for best Outdoor Adventure Guidebook
• Winner, 2012 New Mexico-Arizona Book Award in Travel category
• Winner, 2012 New Mexico Book Association, Southwest Book Design & Production Award for Guide & Travel Books
• Silver Award, 2012 PubWest Book Design Award for Guide/Travel Book

The 2017 NMGS Fall Field Conference examines the geologic history exposed in the Ouray-Silverton area of southwestern Colorado. The diverse and extensive geologic record in this area reveals events that span nearly 2 billion years. Many aspects of the geologic record exposed here are similar to northern New Mexico, such that "across the border" comparisons are important for understanding regional geology. Past NMGS field conferences to the western San Juan Mountains were held in 1957 and 1968. This 2017 conference serves as a retrospective of geologic advances over this timeframe and a snapshot of future research directions. Proterozoic basement in the San Juan Mountains include 1.8-1.7 Ga metamorphic and igneous rocks of the Yavapai province, and the overlying Uncompahgre Group, both of which may have correlatives in northern New Mexico. Paleozoic and Mesozoic stratigraphic units of the San Juan Mountains are uplifted to 3-km elevations in a dome-shaped uplift that borders the northern San Juan basin where correlative units are as much as 3 km below sea level. In the Oligocene, caldera-forming rhyolite and dacite ignimbrite eruptions of the San Juan Volcanic Field formed a volcanic highland composed of an extensive volcaniclastic apron that extended across northern New Mexico. Young (post-15 Ma) uplift and magmatism in the San Juan Mountains continues to shape the topography. World class ore deposits of southwestern Colorado reflect the same range in ages observed in the uplift and magmatic history with Laramide, mid-Tertiary, and post-15 Ma components. Quaternary geomorphology involves glacial records and deep incision along the Animas and Uncompahgre rivers. TheSan Juan Mountains are the headwaters for radial rivers, the Rio Grande, Rio Chama, Rio San Juan, and Rio Dolores systems, and snowpack variations dramatically influence surface water supply for the Four Corners region. Human history involves early native populations, historic mining rushes, and present-day skiing and recreation communities.

There are two versions of this guidebook available, the complete guidebook (219 pages), and a version with just the road logs that is spiral bound (82 pages).

After a 20-year hiatus, the 2018 NMGS Fall Field Conference will showcase the geology of south-central New Mexico with emphasis on the Doña Ana Mountains and surrounding regions near Las Cruces. The Las Cruces area is situated in the northern part of the Chihuahua Desert and is noted for a wide variety of geologic and geomorphic features as well as the recently-designated Prehistoric Trackways National Monument (2009) and Organ Mountains-Desert Peaks National Monument (2014). New data and topics discussed in this guidebook include regional geologic structure and tectonics, stratigraphy and paleontology, hydrogeology, petrology and geochemistry, volcanology, economic geology and mineral resources, mining history, as well as a wealth of new igneous and detrital geochronologic and thermochronologic ages from Precambrian- Cenozoic rocks. This volume includes detailed road logs of the Las Cruces region as well as four mini-papers and sixteen peer-reviewed technical research papers.

There are two versions of this guidebook available, the complete guidebook (218 pages), and a version with just the road logs that is spiral bound (68 pages).

This vibrant 19 x 27" 1000 piece puzzle version of our soon to be released Geologic Map of Mount Taylor (expected late 2018) will keep you from finishing that geochemistry paper you should be writing.