M.a. Roberts
Geology, Minerals, Energy, and Geophysics Science Center, Moffett Field, CA
Activity
2025
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ANCESTRAL CASCADES VOLCANIC CENTERS OF THE FEATHER AND YUBA RIVER DRAINAGES, NORTHEASTERN CALIFORNIA
3 Tectonics and Magmatism in the Modern and Ancestral Cascades Volcanic Arc IWednesday, 2 April 20258:00 AM - 12:00 PMBalboa/Calaveras
2024
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NEW GEOCHRONOLOGY HIGHLIGHTS THE EVOLUTION OF AN ACTIVE MARGIN IN THE NORTHERN SIERRA NEVADA, CALIFORNIA
T201 Geologic History of the Northern Sierra Nevada, a Persistent and Evolving Active Margin Along Western North America (Posters)Tuesday, 24 September 20248:00 AM - 5:30 PMHall D
2023
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INSIGHTS INTO CRUSTAL STRUCTURE OF THE NORTHERN WALKER LANE (CALIFORNIA-NEVADA) FROM GRAVITY AND AEROMAGNETIC DATA
38 At the Crossroads—Addressing Geological Questions and Complexities Near the Boundary of the Basin & Range, Cascadia, and/or Sierra Nevada ProvincesFriday, 19 May 20231:30 PM - 4:00 PMWhitney Peak Ballroom 2
2022
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NEW EMPLACEMENT AGES FOR PLUTONS OF THE PORTOLA 30’X60’ QUADRANGLE IN THE NORTHERN SIERRA NEVADA, CALIFORNIA, AND IMPLICATIONS FOR THE REGIONAL GEOLOGIC FRAMEWORK
245 D35. Recent Advances in Structural Geology and Tectonics (Posters)Wednesday, 12 October 20229:00 AM - 1:00 PMExhibit Hall F
2021
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THE IMPORTANCE OF TERTIARY VOLCANICS IN UNDERSTANDING THE GEOLOGIC HISTORY OF THE NORTHERN SIERRA NEVADA MOUNTAINS, CALIFORNIA
T196 Mapping the West: Understanding of the Geologic History of Volcanic Terranes (Posters)Tuesday, 12 October 20212:30 PM - 6:30 PMExhibit Hall A
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COMPILATION OF THE PORTOLA 30’X60’ QUADRANGLE, A GEOLOGICALLY COMPLEX PART OF THE SIERRA NEVADA IN NORTHEASTERN CALIFORNIA
3 Understanding the Sierra Nevada Through New Regional Geologic and Geophysical Syntheses IWednesday, 12 May 20218:30 AM - 12:30 PMUNR Centers for Transformative Monitoring Programs (CTEMPS) Room
2019
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BASIN GEOMETRY AND EVOLUTION ALONG THE MAACAMA FAULT, RUSSIAN RIVER WATERSHED, NORTHERN CALIFORNIA
37 D2. Geohydrology and Geomorphology of the Coast (Posters)Friday, 17 May 20199:00 AM - 3:30 PMExhibit Hall B
2013
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GEOLOGIC MAPPING, GRAVITY, AND PALEONTOLOGICAL STUDIES IN THE PINNACLES NATIONAL PARK REGION, CENTRAL CALIFORNIA, REVEAL ~14 TO ~6 MA TRANSTENSIONAL HISTORY OF THE SAN ANDREAS FAULT SYSTEM
23 Reconstructing the Pacific-North America Plate Boundary Through Late Cenozoic Time IITuesday, 21 May 20131:30 PM - 5:30 PMSalon A2
2010
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NEW INSIGHTS INTO THE TECTONICS OF THE CENTRAL CALIFORNIA COAST RANGES FROM CROSS-SECTIONS BASED ON DIGITAL GEOLOGIC MAPPING AND POTENTIAL-FIELD GEOPHYSICS
31 New Insights into Tectonics of the Central California Coast Ranges—The Link between Los Angeles and San FranciscoFriday, 28 May 20101:30 PM - 5:00 PMPlatinum 3
2009
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NEW DIGITAL GEOLOGIC MAP DATABASE AND STRATIGRAPHIC FRAMEWORK; UNDERPINNINGS FOR 3D GEOLOGIC MAPPING AND STRUCTURAL ANALYSES IN THE CENTRAL CALIFORNIA COAST RANGES
T101 Geologic Maps, Digital Geologic Maps, Geophysical Maps, and Derivatives from Geologic Maps (Posters)Monday, 19 October 20099:00 AM - 6:00 PMHall A