Keith Howard
Geology, Minerals, Energy, & Geophysics Science Center, Moffett Field, CA
Activity
2024
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BEDROCK GEOLOGIC MAP OF THE COLORADO RIVER EXTENSIONAL CORRIDOR IN THE PARKER 30’ BY 60’ QUADRANGLE, CALIFORNIA AND ARIZONA
T105 Geologic Maps and Their Derivatives (Posters)Monday, 23 September 20248:00 AM - 5:30 PMHall D
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LATE CRETACEOUS TO PALEOGENE GRANITIC MAGMATISM, LAMOILLE CANYON AREA, RUBY MOUNTAINS METAMORPHIC CORE COMPLEX, NE NEVADA
36 Implications of Lithosphere-Crust interactions within the Northern CordilleraFriday, 17 May 20248:00 AM - 12:00 PMCedar Ballroom
2023
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DO BACK-ARC SIERRAN-LIKE PLUTONS IN THE SOUTHWEST USA SIGNAL MID-CRETACEOUS SLAB ROLLBACK?
10 Evolution of Transcrustal Cordilleran Arc SystemsWednesday, 17 May 20231:30 PM - 4:30 PMWhitney Peak Ballroom 2
2020
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CUMULATIVE SLIP ESTIMATES ALONG THE EASTERN MARGIN OF THE EASTERN CALIFORNIA SHEAR ZONE, CALIFORNIA
15 The Kinematics, Dynamics, and Surface Expression of Faults in Eastern California—Improving Hazard Forecasts and Long-Term Slip HistoriesTuesday, 12 May 20201:30 PM - 5:30 PMMadera Room
2018
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WHERE DID THAT GRANITOID COME FROM? FOR THE SW USA TRY CHECKING ITS PB ISOTOPIC COMPOSITION
T66 Different Personalities of Granites and Rhyolites: Silicic Magmas from the Lower Crust to the Surface II—A Session in Honor of Calvin Miller, Recipient of the MGPV Distinguished Geological Career AwardSunday, 4 November 20181:30 PM - 5:30 PMRoom 240-241
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DECIPHERING LANDSCAPE EVOLUTION AND DEVELOPMENT OF THE COLORADO RIVER IN THE UPPER LAKE MEAD AREA—THE ROLE OF GEOLOGIC MAPPING
64 New Insights into the Development and Evolution of the Colorado River System from Geologic Mapping (Posters)Thursday, 17 May 20188:30 AM - 4:30 PMOutdoor Tents
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PLIO-PLEISTOCENE DEFORMATION IN THE LAKE MEAD REGION AND UPLIFT OF THE COLORADO PLATEAU
64 New Insights into the Development and Evolution of the Colorado River System from Geologic Mapping (Posters)Thursday, 17 May 20188:30 AM - 4:30 PMOutdoor Tents
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NEW GEOLOGIC MAPPING DOCUMENTS THE INCEPTION AND EVOLUTION OF THE LOWER COLORADO RIVER IN CHEMEHUEVI VALLEY, ARIZONA AND CALIFORNIA
64 New Insights into the Development and Evolution of the Colorado River System from Geologic Mapping (Posters)Thursday, 17 May 20188:30 AM - 4:30 PMOutdoor Tents
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SOURCE OF EOCENE SEDIMENT TRANSPORTED THROUGH THE BREACHED MOJAVE SEGMENT OF THE MID-CRETACEOUS CALIFORNIA BATHOLITH: CONSTRAINTS FROM COUPLED PB ISOTOPIC AND AR-AR AGE RESULTS FROM DETRITAL K-FELDSPAR
73 Jurassic to Cenozoic Geology of Southern California, Southwest Arizona, and Sonora III: A Session Honoring Gordon Haxel and Carl JacobsonThursday, 17 May 20181:30 PM - 3:15 PMCanyon Room
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SUBSURFACE DATA IN THE LOWER COLORADO RIVER CORRIDOR AND ITS IMPLICATIONS FOR TECTONIC MODELS OF BASIN EVOLUTION WITHIN THE PALO VERDE AND PARKER VALLEYS
64 New Insights into the Development and Evolution of the Colorado River System from Geologic Mapping (Posters)Thursday, 17 May 20188:30 AM - 4:30 PMOutdoor Tents
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COLORADO RIVER EXTENSIONAL CORRIDOR: NEW PERSPECTIVES FROM DETACHED ROCKS IN THE SACRAMENTO MOUNTAINS
46 Cordilleran Core Complexes and Arizona Geology III: A Celebration of Jon Spencer's CareerWednesday, 16 May 20181:30 PM - 3:15 PMCanyon Room
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GEOCHRONOLOGIC STUDY OF PRE-COLORADO-RIVER DEPOSITS IN COTTONWOOD VALLEY, AZ: IMPLICATIONS FOR THE TIMING OF RIVER INTEGRATION
21 Miocene to Recent Evolution of the Lower Colorado River Corridor and the Northern Gulf of California IIITuesday, 15 May 20183:30 PM - 5:15 PMCoconino Room
2017
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RISING FROM THE ASHES—PICK AND HAMMER SONG TRADITIONS IN THE BAY AREA
T166 Geology Rocks! A Musical Session on the Sounds of Science (Posters)Monday, 23 October 20179:00 AM - 6:30 PMHalls 4EF
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IMPLICATIONS OF NEW SIMS ZIRCON AGES FOR MAGMATIC EVOLUTION OF THE WHIPPLE MOUNTAINS METAMORPHIC CORE COMPLEX
T116 What Are the Conditions That Lead to Detachment Faulting?Monday, 23 October 20178:00 AM - 12:00 PMTahoma 3
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THE SUBSURFACE EXTENT OF THE BOUSE FORMATION IN THE LOWER COLORADO RIVER CORRIDOR AND POSSIBLE TECTONIC IMPLICATIONS
T184 The Dynamics of Tectono-Sedimentary Systems During Basin Formation and Fill (Posters)Monday, 23 October 20179:00 AM - 6:30 PMHalls 4EF
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INNOVATION IN NEW GEOLOGIC MAPPING OF THE LOWER COLORADO RIVER CORRIDOR, SOUTHWEST USA
T71 Geologic Maps and Their Derivatives (Posters)Sunday, 22 October 20179:00 AM - 5:30 PMHalls 4EF
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HF ISOTOPIC RECORD OF MAGMATIC SECULAR VARIATION IN THE CORDILLERAN CONTINENTAL ARC IN SOUTHERN CALIFORNIA
28 Cordilleran Magmatic Forensics—Insights from the Igneous, Metamorphic, and Sedimentary Record (Posters)Wednesday, 24 May 20178:30 AM - 5:00 PMRoom 323A/B/C
2016
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DECIPHERING LOWER COLORADO RIVER INTEGRATION PROCESSES THROUGH GEOCHRONOLOGIC STUDIES OF THE BOUSE FORMATION: PRELIMINARY RESULTS AND FUTURE DIRECTIONS
T301 CRevolution 2.5: Origin and Evolution of the Colorado River System and Cenozoic Landscape Evolution of the Colorado Plateau-Rocky Mountain Region IIWednesday, 28 September 20161:30 PM - 5:30 PMMile High Ballroom 2A/3A
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PUNCTUATED SEDIMENT DISCHARGE DURING EARLY EVOLUTION OF THE COLORADO RIVER: EVIDENCE FROM REGIONAL STRATIGRAPHY AND SEDIMENTOLOGY
T301 CRevolution 2.5: Origin and Evolution of the Colorado River System and Cenozoic Landscape Evolution of the Colorado Plateau-Rocky Mountain Region IIWednesday, 28 September 20161:30 PM - 5:30 PMMile High Ballroom 2A/3A
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A PERSPECTIVE ON LAKE FILLING, SPILLING, RIVER INCISION AND AGGRADATION, AND DEFORMATION DURING THE EARLY PLIOCENE IN THE BLYTHE BASIN, ARIZONA AND CALIFORNIA
T301 CRevolution 2.5: Origin and Evolution of the Colorado River System and Cenozoic Landscape Evolution of the Colorado Plateau-Rocky Mountain Region IIWednesday, 28 September 20161:30 PM - 5:30 PMMile High Ballroom 2A/3A
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EARLY PLIOCENE SEDIMENT PULSE DOWN THE NEWLY INTEGRATED COLORADO RIVER — A RESPONSE TO DOWNCUTTING THAT DESTABILIZED THE MIOCENE COLORADO PLATEAU LANDSCAPE
20 Structural Geology and TectonicsWednesday, 6 April 20168:30 AM - 12:30 PMMeeting Room 203 C
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MESOZOIC AND TERTIARY PLUTON SOURCES IN MOJAVE CONTINENTAL CRUST — ZIRCON U-PB AND LU-HF ISOTOPIC EVIDENCE
13 Magma Sources to Volcanoes: Exploring Processes, Volumes, Storage and Inter-Connectivity in Continental ArcsTuesday, 5 April 20168:30 AM - 12:30 PMMeeting Room 200 C
2014
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CORDILLERAN METAMORPHIC CORE COMPLEXES—HISTORICAL PERSPECTIVES ON EVOLUTION OF CONCEPTS IN THE BASIN AND RANGE
3 Snoke Session 1: The Eclectic Tectonic Legacy of Arthur W. Snoke—Metamorphic Core Complexes at Age 35 IMonday, 19 May 20148:00 AM - 12:00 PMGaines Hall 101
2013
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COLORADO RIVER STRATIGRAPHY, THE COLORADO RIVER EXTENSIONAL CORRIDOR, AND RECONSTRUCTED CRETACEOUS PLUTONS IN TOPOCK GORGE, ARIZONA AND CALIFORNIA
T253 Arizona Geology: A Session on All Aspects of Arizona Geology Convened to Commemorate the 125th Anniversary of the Arizona Geological Survey (Posters)Tuesday, 29 October 20139:00 AM - 6:30 PMHall D
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EARLY MIOCENE SILVER CREEK CALDERA AS A STRAIN MARKER IN THE COLORADO RIVER EXTENSIONAL CORRIDOR, USA
T253 Arizona Geology: A Session on All Aspects of Arizona Geology Convened to Commemorate the 125th Anniversary of the Arizona Geological Survey (Posters)Tuesday, 29 October 20139:00 AM - 6:30 PMHall D
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A MAJOR PLIOCENE FLUVIAL AGGRADATION ALONG THE LOWER COLORADO RIVER AND ITS IMPLICATIONS FOR COLORADO RIVER EVOLUTION AND TECTONICS
97 Special Session: CRevolution 2: Cenozoic Landscape Evolution of the Colorado Plateau–Rocky Mountain Region and the Carving of Grand Canyon IMonday, 28 October 20138:00 AM - 12:00 PMMile High Ballroom 4CD
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LAKE-ESTUARY HYPOTHESIS FOR THE BOUSE FORMATION: NEW LOOK AT AN OLD PROBLEM
97 Special Session: CRevolution 2: Cenozoic Landscape Evolution of the Colorado Plateau–Rocky Mountain Region and the Carving of Grand Canyon IMonday, 28 October 20138:00 AM - 12:00 PMMile High Ballroom 4CD
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GEOLOGIC HISTORY OF LAKE MEAD NATIONAL RECREATION AREA PORTRAYED IN NEW GEOLOGIC MAP DATABASE
T145 Geology in the National Parks: Research, Mapping, and Resource Management (Posters)Monday, 28 October 20139:00 AM - 6:30 PMHall D
2010
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GEOMORPHIC EVOLUTION OF A TILTING EXTENSIONAL FAULT BLOCK, AND TEMPLATES FOR TRANSITION TO INTEGRATED DRAINAGE ACROSS IT BY THE COLORADO RIVER, EASTERN LAKE MEAD AREA
T147 Stratigraphic, Structural, Geomorphic, and Tectonic Evolution of the Lake Mead Region, Southwestern United States, from the Oligocene to the PresentMonday, 1 November 20101:30 PM - 5:30 PMRoom 607
2009
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THE CHEMEHUEVI FORMATION – A GEOLOGIC EXAMPLE OF EXTRAORDINARY SEDIMENT LOADING IN THE COLORADO RIVER DURING THE LATE PLEISTOCENE
T225 Hydrogeomorphic and Ecohydrologic Consequences of Extraordinary Sediment LoadingWednesday, 21 October 20098:00 AM - 12:00 PMB113
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INCREMENTAL PLUTONIC ASSEMBLY OVER TENS OF MILLIONS OF YEARS? U-PB GEOCHRONOLOGY AND GHOST STRATIGRAPHY IN PEGMATITIC GRANITE, RUBY MOUNTAINS, NEVADA
T16 Pluton Assembly: Duration, Mechanisms, and Structural ControlsSunday, 18 October 20098:00 AM - 12:00 PMA105
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JURASSIC MAGMATISM IN SOUTHERN CALIFORNIA: NEW RESULTS AND ATTEMPTS AT A REGIONAL SYNTHESIS
T40 The Mesozoic and Cenozoic Tectonic Evolution of Northwestern Mexico and the Southwestern United States (Posters)Sunday, 18 October 20099:00 AM - 6:00 PMHall A
2007
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THE BENEFITS AND DIFFICULTIES OF USING THE STRATIGRAPHY OF LARGE RIVERS TO IDENTIFY REGIONAL PALEOCLIMATE EVENTS: CASE STUDY LOWER COLORADO RIVER
T98 Long Records of Paleoclimate in the Southern Deserts of North AmericaMonday, 29 October 20071:30 PM - 5:30 PM
2005
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THE UPPER CRUST LAID ON ITS SIDE—TECTONIC IMPLICATIONS OF STEEPLY TILTED CRUSTAL SLABS FOR EXTENSION IN THE BASIN AND RANGE
T188 Great Basin Tectonics and MetallogenyTuesday, 18 October 20051:30 PM - 5:30 PM
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COMPARISON OF DIKE AZIMUTHS IN THE INDEPENDENCE DIKE SWARM, CALIFORNIA, TO PALEOMAGNETIC DATA—IMPLICATIONS FOR LATE CENOZOIC VERTICAL AXIS ROTATIONS
44 Ophiolites, Batholiths, and Regional Geology II: A Session in Honor of Cliff HopsonSunday, 1 May 20051:00 PM - 5:00 PM
2004
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LAVA DAMS COMPARED IN BOISE RIVER CANYON AND GRAND CANYON
35 Products and Processes of HydrovolcanismWednesday, 5 May 20048:00 AM - 12:00 PM
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STYLE OF INTRUSION OF CRUSTAL MELTS INTO MIDDLE CRUST IN THE CRETACEOUS BACK-ARC: RUBY MOUNTAINS CORE COMPLEX, NEVADA
22 Cordilleran Magmatism from the Forearc to the Hinterland ITuesday, 4 May 20048:15 AM - 12:00 PM
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LATE EOCENE AND OLIGOCENE INTRUSIONS IN THE RUBY-EAST HUMBOLDT CORE COMPLEX, NEVADA: MAGMATIC PROCESSES IN THE MIDDLE CRUST IN RELATION TO TECTONIC EXTENSION
22 Cordilleran Magmatism from the Forearc to the Hinterland ITuesday, 4 May 20048:15 AM - 12:00 PM
2003
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THE ROLE OF FAULTS IN THE PLUMBING OF THE GREAT BASIN GEOTHERMAL SYSTEMS AND GOLD MINERALIZATION
T246 A Century of Hydrogeologic Investigations and Groundwater Modeling in the Great Basin: What Have We Learned?Wednesday, 5 November 20031:30 PM - 5:30 PM
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DIGITAL GEOLOGIC MAPPING OF LAKE MEAD NATIONAL RECREATION AREA AND VICINITY: INTEGRATING SOILS, DIGITAL TOPOGRAPHY, GEOLOGY AND MASTER REMOTE-SENSING DATA
T32 Geological Mapping: Key to Successful Management of Water and Land Resources (Posters)Sunday, 2 November 20038:00 AM - 12:00 PM
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A PRELIMINARY METAMORPHIC MAP OF CALIFORNIA
T23 Phase Relations, High P-T Terrains, P-T-ometry and Plate Pushing I: A Tribute to W.G. ErnstSunday, 2 November 20038:00 AM - 12:00 PM
2002
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COLORADO RIVER INCISION IN RELATION TO GROUND-WATER FLOW SYSTEMS IN THE SOUTHERN GREAT BASIN AND ARIZONA
T175 Hydrogeologic Framework and Basin Hydrology of the Desert Southwestern United StatesTuesday, 29 October 20021:30 PM - 5:30 PM
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RUBY MOUNTAINS CORE COMPLEX AS A GUIDE TO EOCENE DEEP CRUSTAL STRUCTURE IN THE ELKO-CARLIN REGION, NEVADA
33 Tectonics I: Extensional TectonicsSunday, 27 October 20021:00 PM - 3:45 PM
2001
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GEOLOGIC STRAIN PARTITIONING IN THE EASTERN CALIFORNIA SHEAR ZONE: RIDING CRUSTAL WAVES IN THE MOJAVE DESERT
43 Geology and Tectonics of the Mojave Desert and Transverse Ranges: A Tribute to Perry EhligWednesday, 11 April 20018:05 AM - 11:35 AM
Date Unknown
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ANCESTRAL COLORADO RIVER POTHOLES HIGH ABOVE HOOVER DAM
T221 Geologic History and Processes of the Colorado River (Posters)
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LATE MIOCENE EROSION OF TILTED FAULT BLOCKS IN THE GOLD BUTTE AREA AND DEPOSITION IN HALF-GRABEN BASINS, BASIN AND RANGE PROVINCE
25 Long Distance Transport of Las Vegas: Recent Research Along a Transect with Major Neogene Extension (Posters)
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EOCENE BASINS IN NORTHEASTERN GREAT BASIN, UTAH AND NEVADA, AND THEIR SIGNIFICANCE
27 Tectonics (Posters) I: Strike-slip, Extension, Alpine-Himalayan Tectonics
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NEW SHRIMP U-PB ZIRCON AGES AND ND ISOTOPIC SIGNATURES FOR PLUTONISM IN THE NORTHERN RUBY - EAST HUMBOLDT RANGES OF NE NEVADA: IMPLICATIONS FOR THE TIMING OF TERTIARY CORE COMPLEX FORMATION
157 Geochemistry (Posters)
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MAPPING LITHOLOGICAL VARIATIONS WITH VISIBLE TO THERMAL INFRARED SPECTROSCOPY: A CASE STUDY FROM GOLD BUTTE, NV
T123 Applications and New Opportunities in Geologic Remote Sensing (Posters)
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EVOLUTION OF THE COURSE OF THE COLORADO RIVER IN DETRITAL VALLEY AND BOULDER CANYON, LOWER LAKE MEAD REGION, NEVADA AND ARIZONA
T221 Geologic History and Processes of the Colorado River (Posters)
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AGE OF LANDSLIDE-DAMMED LAKE DEPOSITS IN CENTRAL GRAND CANYON, ARIZONA
T129 Carving the Western Landscape: The Evolution of the Colorado Drainage from Source to Sink (Posters)
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STRATIGRAPHIC EVIDENCE FOR CLIMATE-DRIVEN IMBALANCES IN THE FINE SEDIMENT BUDGET OF THE COLORADO RIVER DURING THE PLEISTOCENE
T129 Carving the Western Landscape: The Evolution of the Colorado Drainage from Source to Sink (Posters)
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QUANTIFYING EOCENE AND MIOCENE EXTENSION IN THE SEVIER HINTERLAND WITH IMPLICATIONS FOR MINERAL AND ENERGY RESOURCES IN NORTHEASTERN NEVADA
83 Structural Geology and Tectonics (Posters)
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GEOSPATIAL ANALYSIS OF CHANGES IN RIVER-CHANNEL POSITION AND RIPARIAN VEGETATION OF THE LOWER COLORADO RIVER
T221 Geologic History and Processes of the Colorado River (Posters)
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TECTONIC RECONSTRUCTIONS BASED ON REGIONAL CROSS SECTIONS TO INCREASE UNDERSTANDING OF METALLOGENY AND FLUID FLOW IN THE NORTHERN GREAT BASIN
T166 Great Basin Tectonics and Metallogeny (Posters)