Geological Society of America

8:00 AM

EARLY (MIOCENE) BASALTS OF THE JEMEZ VOLCANIC FIELD, NEW MEXICO (USA): A MODEL FOR CONTINENTAL MAGMATISM

W. Scott Baldridge, Los Alamos National Laboratory, Los Alamos, NM

181964 (Technical Sessions)

8:15 AM

LA GRULLA PLATEAU, AN EARLY ISOLATED CENTER OF MAFIC TO INTERMEDIATE VOLCANISM, NORTHWESTERN JEMEZ MOUNTAINS, NEW MEXICO

John R. Lawrence, Lawrence GeoService Ltd. Co, Albuquerque, NM and Shari A. Kelley, New Mexico Institute of Mining and Technology, Socorro, NM

177127 (Technical Sessions)

8:30 AM

STRATIGRAPHY OF MIOCENE AND PLIOCENE SEDIMENTARY AND VOLCANIC ROCKS BENEATH THE PAJARITO PLATEAU, WESTERN ESPANOLA BASIN, NEW MEXICO

David E. Broxton, Los Alamos National Laboratory, Los Alamos, NM and Giday WoldeGabriel, Los Alamos National Laboratory, Los Alamos, NM and Daniel J. Koning, New Mexico Institution of Mining and Technology, Socorro, NM and David T. Vaniman, Los Alamos National Laboratory, Los Alamos, NM

181784 (Technical Sessions)

8:45 AM

RHYOLITES AND ASSOCIATED DEPOSITS OF THE VALLES-TOLEDO CALDERA COMPLEX

Jamie N. Gardner, Gardner Geoscience, Jemez Springs, NM and Fraser Goff, University of New Mexico, Albuquerque, NM and Shari A. Kelley, New Mexico Institute of Mining and Technology, Socorro, NM and Elaine P. Jacobs, Los Alamos, NM

178566 (Technical Sessions)

9:00 AM

CORRELATING MAGMATIC TEMPERATURES AND MELT INCLUSION COMPOSITIONS AT THE SINGLE CRYSTAL LEVEL

Corey A. Dimond, New Mexico State University, Las Cruces, NM and Frank C. Ramos, New Mexico State University, Las Cruces, NM and Ryan Mulhall, New Mexico State University, Las Cruces, NM and John Wolff, Washington State University, Pullman, WA

182261 (Technical Sessions)

9:15 AM

SINGLE CRYSTAL ISOTOPE VARIATIONS IN RHYOLITES AT VALLES CALDERA, NEW MEXICO

Frank C. Ramos, New Mexico State University, Las Cruces, NM and J.a. Wolff, Washington State University, Pullman, WA and Corey A. Dimond, New Mexico State University, Las Cruces, NM and Ryan Mulhall, New Mexico State University, Las Cruces, NM and Darren L. Tollstrup, University of California Davis, Davis, CA

182247 (Technical Sessions)

9:30 AM

MAGMATIC RECHARGE DURING FORMATION OF VALLES CALDERA, NEW MEXICO: EVIDENCE FROM QUARTZ COMPOSITIONAL ZONING AND GEOTHERMOMETRY

Jack Wilcock, McGill University, Montreal, QC and Fraser Goff, University of New Mexico, Albuquerque, NM and William Minarik, McGill Univ Dept Earth & Planetary Sciences, Montreal, QC and John Stix, McGill University, Montreal, QC

178152 (Technical Sessions)

9:45 AM

THE PROPERTIES AND FORMATION OF EROSIONAL PIPE-SHAPED STRUCTURES IN IGNIMBRITES AROUND VALLES CALDERA

John E. Bailey, University of Alaska Fairbanks, Fairbanks, AK and Stephen Self, Washington DC, DC

180266 (Technical Sessions)

10:00 AM

FUMAROLIC PIPES IN THE TSHIREGE MEMBER OF THE BANDELIER TUFF, JEMEZ MOUNTAINS VOLCANIC FIELD

Florie A. Caporuscio, Los Alamos National Lab, Los Alamos, NM and Jamie N. Gardner, Gardner Geoscience, Jemez Springs, NM and Emily S. Schultz-Fellenz, Los Alamos National Laboratory, Los Alamos, NM and Richard E. Kelley, Los Alamos National Laboratory, Los Alamos, NM

179794 (Technical Sessions)

10:15 AM

A NEW LOOK AT THE DEPOSITS AND ERUPTION SEQUENCE OF THE OTOWI MEMBER, BANDELIER TUFF FORMATION, JEMEZ MOUNTAINS, NEW MEXICO

Stephen Self, also at Dept. of Earth and Environmental Sciences, The Open University, Milton Keynes and John Wolff, Washington State University, Pullman, WA and Geoffrey W. Cook, Washington State University, Pullman, WA

181145 (Technical Sessions)

10:30 AM

ERUPTION OF REVERSE-ZONED UPPER TSHIREGE MEMBER, BANDELIER TUFF FROM CENTRALVENTS WITHIN VALLES CALDERA

Fraser Goff, University of New Mexico, Albuquerque, NM and R.G. Warren, Comprehensive Volcanic Petrographics LLC, Grand Junction, CO

179294 (Technical Sessions)

10:45 AM

PNEUMATOLYTIC ANDRADITE WITHIN UPPER TSHIREGE MEMBER AT A CENTRAL VENT WITHIN VALLES CALDERA, AND WIDESPREAD GARNET WITHIN UPPER BANDELIER TUFF

R.G. Warren, Comprehensive Volcanic Petrographics LLC, Grand Junction, CO and Fraser Goff, University of New Mexico, Albuquerque, NM

182007 (Technical Sessions)

11:00 AM

40AR/39AR AGE CONSTRAINTS on THE DURATION OF RESURGENCE AND POST-COLLAPSE RHYOLITES AT VALLES CALDERA, JEMEZ MOUNTAINS, NEW MEXICO

Erin H. Phillips Writer, Black Hills State University, Spearfish, SD and Fraser Goff, University of New Mexico, Albuquerque, NM and Philip Kyle, Santa Fe, NM and Nelia Dunbar, New Mexico Institute of Mining and Technology, Socorro, NM and William McIntosh, New Mexico Tech, Socorro, NM and Jamie N. Gardner, Gardner Geoscience, Jemez Springs, NM

181642 (Technical Sessions)

11:15 AM

CORE VC-3: A WINDOW INTO THE MIDDLE PLEISTOCENE CLIMATIC AND GEOLOGIC EVOLUTION OF THE VALLES CALDERA, NEW MEXICO

Peter Fawcett, University of New Mexico, Albuquerque, NM and Craig D. Allen, USGS, Los Alamos, NM and Josef Werne, University of Pittsburgh, Pittsburgh, PA and R. Scott Anderson, Northern Arizona University, Flagstaff, AZ and Jeff Heikoop, Los Alamos National Lab, Los Alamos, NM and Erik Brown, Large Lakes Observatory, Duluth, MN and Fraser Goff, University of New Mexico, Albuquerque, NM and Linda Hurley, University of New Mexico, Albuquerque, NM and Giday WoldeGabriel, Los Alamos National Laboratory, Los Alamos, NM and John W. Geissman, University of New Mexico, Albuqueruqe, NM

181697 (Technical Sessions)

11:30 AM

ENVIRONMENTAL MAGNETISM OF MID-PLEISTOCENE LACUSTRINE SEDIMENTS, VALLES CALDERA, NEW MEXICO

Linda Lee Donohoo-Hurley, University of New Mexico, Albuquerque, NM and John W. Geissman, University of New Mexico, Albuqueruqe, NM and Peter Fawcett, University of New Mexico, Albuquerque, NM

181708 (Technical Sessions)

T13 Volcanic and Landscape Evolution of the Jemez Mountains Volcanic Field

Presentations