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David A Sawyer
David A Sawyer
Geverifieerd e-mailadres voor colorado.edu
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Episodic caldera volcanism in the Miocene southwestern Nevada volcanic field: Revised stratigraphic framework, 40Ar/39Ar geochronology, and implications for magmatism and extension
DA Sawyer, RJ Fleck, MA Lanphere, RG Warren, DE Broxton, MR Hudson
Geological Society of America Bulletin 106 (10), 1304-1318, 1994
3321994
Intercalibration of radioisotopic and astrochronologic time scales for the Cenomanian-Turonian boundary interval, Western Interior Basin, USA
SR Meyers, SE Siewert, BS Singer, BB Sageman, DJ Condon, ...
Geology 40 (1), 7-10, 2012
2322012
Summary of hydrogeologic controls on ground-water flow at the Nevada Test Site, Nye County, Nevada
RJ Laczniak, JC Cole, DA Sawyer, DA Trudeau
Water-Resources Investigations Report, 1996
2151996
Integrating 40Ar/39Ar, U-Pb, and astronomical clocks in the Cretaceous Niobrara Formation, Western Interior Basin, USA
BB Sageman, BS Singer, SR Meyers, SE Siewert, I Walaszczyk, ...
Bulletin 126 (7-8), 956-973, 2014
1382014
Digital geologic map database of the Nevada Test Site area, Nevada
RR Wahl, DA Sawyer, SA Minor, MD Carr, JC Cole, WC Swadley, ...
Open-File Report, 1997
127*1997
THE CERROS DEL RIO VOLCANIC FIELD AND THE LA BAJADA FAULT SYSTEM-GEOLOGIC OVERVIEW AND STATUS REPORT
RA Thompson, SA Minor, DA Sawyer
US Geological Survey Middle Rio Grande Basin Study-Proceedings of the First …, 2003
1002003
Mesozoic ash-flow caldera fragments in southeastern Arizona and their relation to porphyry copper deposits
PW Lipman, DA Sawyer
Geology 13 (9), 652-656, 1985
931985
Paleomagnetism and rotation constraints for the middle Miocene southwestern Nevada volcanic field
MR Hudson, DA Sawyer, RG Warren
Tectonics 13 (2), 258-277, 1994
741994
Crustal and magmatic evolution in a large multicyclic caldera complex: isotopic evidence from the central San Juan volcanic field
LR Riciputi, CM Johnson, DA Sawyer, PW Lipman
Journal of Volcanology and Geothermal Research 67 (1-3), 1-28, 1995
681995
Age and character of basaltic rocks of the Yucca Mountain region, southern Nevada
RJ Fleck, BD Turrin, DA Sawyer, RG Warren, DE Champion, MR Hudson, ...
Journal of Geophysical Research: Solid Earth 101 (B4), 8205-8227, 1996
641996
Petrologic evolution of divergent peralkaline magmas from the Silent Canyon caldera complex, southwestern Nevada volcanic field
DA Sawyer, KA Sargent
Journal of Geophysical Research: Solid Earth 94 (B5), 6021-6040, 1989
561989
Geophysical framework of the southwestern Nevada volcanic field and hydrogeologic implications
VJ Grauch, DA Sawyer, CJ Fridrich, MR Hudson
Professional Paper, 1999
441999
Geophysical interpretations west of and within the northwestern part of the Nevada Test Site
VJ Grauch, DA Sawyer, CJ Fridrich, MR Hudson
US Geological Survey, Denver, CO (United States), 1997
321997
The forest vegetation at higher altitudes in the Chiricahua Mountains, Arizona
DA Sawyer, TB Kinraide
American Midland Naturalist, 224-241, 1980
311980
Episodic volcanism in the southwest Nevada volcanic field: New 40Ar/39Ar geochronologic results
DA Sawyer, RJ Fleck, MA Lanphere, RG Warren, DA Broxton
EOS Transactions, AGU 71 (43), 1296, 1990
271990
Late Cretaceous paleomagnetism and clockwise rotation of the Silver Bell Mountains, south central Arizona
JT Hagstrum, DA Sawyer
Journal of Geophysical Research: Solid Earth 94 (B12), 17847-17860, 1989
261989
Preliminary digital geologic map database of the Nevada Test Site area, Nevada
DA Sawyer, RR Wahl, JC Cole, SA Minor, RJ Laczniak, RG Warren, ...
Open-file report, 1995
24*1995
Geochronology of late Albian–Cenomanian strata in the US Western Interior
BS Singer, BR Jicha, D Sawyer, I Walaszczyk, R Buchwaldt, J Mutterlose
GSA Bulletin 133 (7-8), 1665-1678, 2021
222021
Central San Juan caldera cluster
PW Lipman, DA Sawyer, K Hon
IAVCEI fieldtrip guide: Oligocene-Miocene San Juan volcanic field, Colorado …, 1989
191989
Cenozoic volcanism of the La Bajada constriction area, New Mexico
RA Thompson, DA Sawyer, MR Hudson, VJS Grauch, WC McIntosh, ...
The Cerrillos Uplift, the La Bajada Constriction, and Hydrogeologic …, 2006
182006
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Artikelen 1–20