Session: Implications of Lithosphere-Crust interactions within the Northern Cordillera (Joint 120th Annual Cordilleran/74th Annual Rocky Mountain Section Meeting

Paper #

Start Time

8:00 AM

Introductory Remarks

36-1

8:05 AM

DETRITAL SERPENTINITE IN PALEO FOREARC BASIN AND SUBDUCTION COMPLEX ROCKS: RECORD OF MANTLE ROCK EXHUMATION AND DERIVATIVE DEPOSITION

WAKABAYASHI, John, Department of Earth and Environmental Sciences, California State University, Fresno, CA 93740

36-2

8:25 AM

TRACKING BASEMENT DOMAINS WITH ZIRCON LU-HF AND TRACE ELEMENT GEOCHEMISTRY IN THE NORTHERN SIERRA NEVADA BATHOLITH, CALIFORNIA

CECIL, Robinson, Department of Geological Sciences, California State University Northridge, Northridge, CA 91330-8266 and CAMPBELL, Joella, Geological Sciences, California State University Northridge, 18111 Nordhoff St, Northridge, CA 91330

36-3

8:45 AM

ISOTOPIC COMPOSITION OF GRANITOIDS VERSUS VOLCANIC ROCKS IN NORTHERN NEVADA: MAGMA SOURCES, BASEMENT PROVINCES, AND THE JURASSIC FACTOR

COUSENS, Brian¹, MUNTEANU, Philippe¹, NOVAK, Daniel¹, HENRY, Christopher D.², BODDY, Martina³ and PEGG, Brittany³, (1)Earth Sciences, Carleton University, 1125 Colonel By Drive, Ottawa, ON K1S 5B6, CANADA, (2)Nevada Bureau of Mines and Geology, University of Nevada Reno, Reno, NV 89557, (3)Earth Sciences, Carleton University, 1125 Colonel By Dr, Ottawa, ON K1S 5B6, CANADA

36-4

9:05 AM

RADIOGENIC ISOTOPIC DATA FROM CENOZOIC VOLCANIC ROCKS IN THE EUREKA, ELY AND WELLS AREAS DOCUMENT SPATIALLY DISTINCT ARCHEAN AND PROTEROZOIC CRATONIC DOMAINS ACROSS NORTHERN NEVADA, USA

BODDY, Martina, Earth Sciences, Carleton University, 1125 Colonel By Dr, Ottawa, ON K1S 5B6, CANADA, COUSENS, Brian, Isotope Geochemistry and Geochronology Research Centre, Carleton University, 1125 Colonel By Drive, Herzberg Laboratories, Ottawa, ON K1S 5B6, Canada and HENRY, Christopher D., Nevada Bureau of Mines and Geology, University of Nevada Reno, Reno, NV 89557

36-5

9:25 AM

LATE CRETACEOUS TO PALEOGENE GRANITIC MAGMATISM, LAMOILLE CANYON AREA, RUBY MOUNTAINS METAMORPHIC CORE COMPLEX, NE NEVADA

BARNES, Calvin¹, SNOKE, Arthur², ROMANOSKI, Anthony¹, HOWARD, Keith³, PREMO, W.R.⁴, HETHERINGTON, Callum J.⁵ and FROST, Carol⁶, (1)Geosciences, Texas Tech University, Lubbock, TX 79409-1053, (2)Dept. of Geology and Geophysics, University of Wyoming, Laramie, WY 82071, (3)345 Middlefield Rd, Menlo Park, CA 94025-3561, (4)U.S. Geological Survey, MS 963, Denver, CO 80225-0046, (5)Department of Geoscience, Texas Tech University, Box 41053, Lubbock, TX 79409, (6)Department of Geology and Geophysics, University of Wyoming, 1000 E University Ave, Geology Dept 3006, Laramie, WY 82071

36-6

9:45 AM

EXTENDING THE CHALLIS MAGMATIC PROVINCE ACROSS THE 0.706 ISOPLETH

GASCHNIG, Richard, Department of Environmental, Earth and Atmospheric Sciences, University of Massachusetts Lowell, 1 University Ave, Lowell, MA 01854 and VERVOORT, Jeffrey, School of the Environment, Washington State University, Pullman, WA 99164

10:05 AM

Break

36-7

10:20 AM

DECOUPLING OF ZIRCON-WHOLE ROCK TRACE ELEMENT SYSTEMATICS IN THE IDAHO BATHOLITH AND CHALLIS MAGMATIC SUITE

BOUDREAU, Ericka, MA, Department of Environmental, Earth, and Atmospheric Sciences, University of Massachusetts Lowell, 1 University Ave, Lowell, MA 01854 and GASCHNIG, Richard, Department of Environmental, Earth and Atmospheric Sciences, University of Massachusetts Lowell, 1 University Dr, Lowell, MA 01854

36-8

10:40 AM

THE NATURE AND TIMING OF PLUTONISM ACROSS THE COAST MOUNTAINS BATHOLITH, STIKINE RIVER AREA: PART 1

OGUNRINDE, Isaac¹, STOWELL, Harold¹, CECIL, Robinson² and RUSMORE, Margaret³, (1)Department of Geological Sciences, Univ of Alabama, Box 870338, Tuscaloosa, AL 35487-0338, (2)Department of Geological Sciences, California State University Northridge, Northridge, CA 91330-8266, (3)Department of Geology, Occidental College, 1600 Campus Rd, Los Angeles, CA 90041

36-9

11:00 AM

THE NATURE AND TIMING OF PLUTONISM ACROSS THE COAST MOUNTAINS BATHOLITH, STIKINE RIVER AREA: PART 2

STOWELL, Harold¹, OGUNRINDE, Isaac¹, CECIL, Robinson² and RUSMORE, Margaret³, (1)Department of Geological Sciences, Univ of Alabama, Box 870338, Tuscaloosa, AL 35487-0338, (2)Department of Geological Sciences, California State University Northridge, Northridge, CA 91330-8266, (3)Department of Geology, Occidental College, 1600 Campus Rd, Los Angeles, CA 90041

36-10

11:20 AM

PETROGENESIS OF ULTRAMAFIC ROCKS FROM THE SEVENTYMILE OPHIOLITE, EASTERN ALASKA

JEAN, Marlon, Colorado Mesa University, Department of Geology, 1100 North Ave., Grand Junction, CO 81501, TODD, Erin, U.S. Geological Survey, Alaska Science Center, 4210 University Drive, Anchorage, AK 99508, LLEWELLYN, Genevieve E., Department of Geological Sciences, University of Alaska, Anchorage, 3211 Providence Dr., CPSB 101, Anchorage, AK 99508, THOMPSON, Jay, U.S. Geological Survey, Geology, Geophysics, and Geochemistry Science Center, PO Box 25046 MS 973, Denver, CO 80225, BIZIMIS, Michael, School of the Earth, Ocean and Environment, University of South Carolina, Columbia, SC 29208 and LOEWEN, Matthew W., U.S. Geological Survey, Alaska Volcano Observatory, 4210 University Dr, Anchorage, AK 99508

36-11

11:40 AM

THE KANUTI OPHIOLITE, INTERIOR ALASKA: GEOLOGY AND TECTONIC SETTING OF (POSSIBLE) SUPRA-SUBDUCTION OCEANIC LITHOSPHERE

TODD, Erin¹, CAINE, Jonathan S.², BIZIMIS, Michael³, HAMMOND, Robert⁴, LOWERS, Heather⁵ and THOMPSON, Jay⁵, (1)U.S. Geological Survey, Alaska Science Center, 4210 University Drive, Anchorage, AK 99508, (2)Geology, Geophysics, and Geochemistry Science Center, U.S. Geological Survey, Denver, CO 80225, (3)School of the Earth, Ocean and Environment, University of South Carolina, Columbia, SC 29208, (4)School of Earth, Ocean, and the Environment, University of South Carolina, 701 Sumter St., Columbia, SC 29208, (5)U.S. Geological Survey, Geology, Geophysics, and Geochemistry Science Center, PO Box 25046 MS 973, Denver, CO 80225

Joint 120th Annual Cordilleran/74th Annual Rocky Mountain Section Meeting - 2024

T21. Implications of Lithosphere-Crust interactions within the Northern Cordillera