Robert Powell
US Geological Survey, Tucson, AZ
Activity
2023
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TECTONIC EVOLUTION AT THE INTERSECTION OF THE SAN ANDREAS, PINTO MOUNTAIN, AND MORONGO VALLEY FAULT ZONES, SOUTHERN CALIFORNIA: IMPLICATIONS FOR QUATERNARY SAN ANDREAS FAULT SLIP RATES
15 From High Grade to Low Grade: Honoring the Contributions of J. Douglas Yule Towards Understanding the Growth and Active Deformation of Western North AmericaThursday, 18 May 20238:00 AM - 12:00 PMWhitney Peak Ballroom 2
2020
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CHARACTER OF LATE CRETACEOUS MAGMATISM SPANNING THE TRANSITION FROM SUBDUCTION TO LARAMIDE OROGENESIS IN THE WESTERN/CENTRAL MOJAVE REGION
27 The Enigmatic Late Cretaceous-Paleogene Tectonic Evolution of the Southwestern USAWednesday, 13 May 20201:30 PM - 5:30 PMSan Rafael
2018
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PALEOGEOLOGIC PATTERNS, CRUSTAL BLOCKS, AND EVOLUTION OF THE SAN ANDREAS FAULT SYSTEM IN SOUTHERN CALIFORNIA
55 Jurassic to Cenozoic Geology of Southern California, Southwest Arizona, and Sonora II: A Session Honoring Gordon Haxel and Carl JacobsonThursday, 17 May 201810:20 AM - 12:05 PMCanyon Room
2017
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GEOLOGIC CONSTRAINTS ON MID-CRUSTAL MAGMATIC PROCESSES IN THE MOJAVE SEGMENT OF THE CRETACEOUS CORDILLERAN ARC
1 Advances in Understanding Precambrian to Cenozoic Magmatic and Metamorphic Processes and their Bearing on Lithospheric Evolution of Southern LaurentiaMonday, 13 March 20178:00 AM - 12:00 PMGrand Ballroom G
2016
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GEOLOGIC CONSTRAINTS ON MID-CRUSTAL MAGMATIC PROCESSES IN THE MOJAVE SEGMENT OF THE CRETACEOUS CORDILLERAN ARC
256 Recent Advances in Igneous Petrology and Geochemistry (Posters)Tuesday, 27 September 20169:00 AM - 6:30 PMExhibit Hall E/F
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RELATIONS BETWEEN CRUSTAL BLOCKS AND EVOLUTION OF THE SAN ANDREAS FAULT SYSTEM
28 Insights into the Late Cenozoic Evolution of Crustal Blocks in Southern California from New Geologic, Geophysical, and Geomorphic DataWednesday, 6 April 20161:30 PM - 5:30 PMMeeting Room 200 C
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WHAT DO WE KNOW ABOUT LATE CENOZOIC LANDSCAPE EVOLUTION AT THE NORTHWEST HEAD OF THE SALTON TROUGH, SOUTHERN CALIFORNIA?
14 Unraveling Structural Complexity along the San Andreas Fault Zone, Southern California: Using Geochronology in Conjunction with Geologic and Geomorphic MappingTuesday, 5 April 20168:30 AM - 12:30 PMMeeting Room 203 C
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A COMPILATION OF OSL GEOCHRONOLOGY COLLECTED BY THE U.S. GEOLOGICAL SURVEY FROM SOUTHERN CALIFORNIA: WHAT THE DATES TELL US AND HOW THEY WILL BE USED
14 Unraveling Structural Complexity along the San Andreas Fault Zone, Southern California: Using Geochronology in Conjunction with Geologic and Geomorphic MappingTuesday, 5 April 20168:30 AM - 12:30 PMMeeting Room 203 C
2010
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GEOLOGIC DATABASES CONTRIBUTE TO RESOURCE MANAGEMENT AND NATURAL HISTORY INTERPRETATION IN JOSHUA TREE NATIONAL PARK, SOUTHERN CALIFORNIA
T108 Geologic Maps, Digital Geologic Maps, and Derivatives from Geologic and Geophysical Maps (Posters)Monday, 1 November 20108:00 AM - 6:00 PMHall D
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IS THERE A CASE FOR A MAJOR LATE JURASSIC SHEAR ZONE IN THE PENINSULAR RANGES?
48 Structural Geology/Tectonics (Posters)Saturday, 29 May 20108:30 AM - 12:00 PMPlatinum 5-6
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A COMPILATION OF OSL GEOCHRONOLOGY COLLECTED BY THE U.S. GEOLOGICAL SURVEY FROM SOUTHERN CALIFORNIA: WHAT THE AGES TELL US AND HOW THEY WILL BE USED
32 Late Neogene Tectonics and Deformation along Active Faults East of and Including the San Andreas—San Jacinto Fault ZonesFriday, 28 May 20101:30 PM - 4:00 PMPlatinum 1
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BASEMENT, BASINS, AND TECTONICS: EARLY EVOLUTION OF SAN ANDREAS FAULT SYSTEM IN SOUTHERN CALIFORNIA
1 Using Basin Analysis and Geochemistry to Reconstruct the San Andreas Fault System: A Symposium in Honor of John Crowell, Tor Nilsen, Tom Dibblee, and Perry EhligThursday, 27 May 20108:40 AM - 12:00 PMPlatinum 2
2007
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MAPPING THE SUBSURFACE OF JOSHUA TREE NATIONAL PARK, SOUTHERN CALIFORNIA, USING NEW GEOPHYSICAL DATA
T139 Geology in the National Parks: Research, Mapping, and Resource ManagementTuesday, 30 October 20078:00 AM - 12:00 PM
2003
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DIGITAL GEOLOGIC MAPS AND DATABASES IN THE EAGLE MTS. 30 X 60-MINUTE QUADRANGLE, RIVERSIDE COUNTY, CALIFORNIA
T32 Geological Mapping: Key to Successful Management of Water and Land Resources (Posters)Sunday, 2 November 20038:00 AM - 12:00 PM
2001
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CRYSTALLINE BEDROCK AND CRUSTAL TECTONICS IN THE WESTERN TRANSVERSE RANGES, SOUTHERN CALIFORNIA
26 Heart of the Transverse Ranges: Geology and Tectonics of the LARSE II Region (San Fernando Valley, East Ventura Basin, and San Gabriel Fault) ITuesday, 10 April 20018:00 AM - 11:50 AM
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LATE CRETACEOUS INTRUSIVE MIGMATITES OF THE LITTLE SAN BERNARDINO MOUNTAINS, SOUTHERN CALIFORNIA
34 Mojave Desert and Transverse Ranges: A Tribute to Perry Ehlig (Posters)Tuesday, 10 April 20011:00 PM - 5:00 PM
Date Unknown
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SOIL GEOMORPHOLOGY OF THE NORTH FLANK OF THE SAN BERNARDINO MOUNTAINS, CALIFORNIA: A SUMMARY OF INTERACTIONS AND FEEDBACKS BETWEEN SOIL DEVELOPMENT AND LANDSCAPE EVOLUTION AT VARIOUS TEMPORAL AND SPATIAL SCALES
57 New Geologic Research Along the Plate's Edge: The USGS Southern California Areal Mapping Project (SCAMP) (Posters)