Session: Cordilleran Tectonics from the Basin and Range to Alaska and the Arctic II: A Celebration of Elizabeth Miller’s Career (2018 GSA Structure and Tectonics Division Career Contribution Award) (Cordilleran Section - 115th Annual Meeting

Session No. 13

Wednesday, 15 May 2019: 1:30 PM-3:30 PM

Room B117-119 (Oregon Convention Center)

T1. Cordilleran Tectonics from the Basin and Range to Alaska and the Arctic II: A Celebration of Elizabeth Miller’s Career (2018 GSA Structure and Tectonics Division Career Contribution Award)

Jeff Lee and Victoria Pease, Advocates

Paper #

Start Time

13-1

1:30 PM

A HISTORY OF GEOLOGIC RESEARCH ON SEWARD PENINSULA, ALASKA, BY ELIZABETH MILLER AND COLLABORATORS: CRUSTAL EXTENSION FROM TOP TO BOTTOM

AMATO, Jeffrey M., Department of Geological Sciences, New Mexico State University, Las Cruces, NM 88003, TORO, Jaime, Department of Geology & Geography, West Virginia University, Morgantown, WV 26506 and MILLER, Elizabeth L., Department of Geological Sciences, Stanford University, Stanford, CA 94305

13-2

1:50 PM

NEW ZIRCON U-PB AGES AND HF ISOTOPES FROM BROOKS RANGE OPHIOLITE AND KOYUKUK ARC, THE UPPER PLATE OF THE BROOKIAN OROGEN, NORTHERN ALASKA

BOX, Stephen E., U.S. Geological Survey, 904 W. Riverside Ave, Room 202, Spokane, WA 99201, MOORE, Thomas E., U.S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, ALEINIKOFF, John N., U.S. Geol. Survey, Denver, CO 80225, WIRTH, Karl R., Geology Department, Macalester College, Saint Paul, MN 55105, WANG, Da, School of the Environment, Washington State University, Pullman, WA 99164 and NELSON, S.W., U.S. Geological Survey, Alaska Science Center, 4210 University Drive, Room 202, Anchorage, AK 99508

13-3

2:10 PM

IMPLICATIONS FOR LOWER JURASSIC ISLAND ARC MAGMATISM FROM IGNEOUS CLASTS IN THE LOWER CRETACEOUS CONGLOMERATE, NE YUKON-KOYUKUK BASIN, ALASKA

FREDRIKSSON, Charlotte, Stockholm University, Dept Geological Sciences, Stockholm, 10691, Sweden and PEASE, Victoria, Department of Geological Sciences, Stockholm University, Stockholm, CA SE-106 91

13-4

2:30 PM

CLUES TO THE PRE-MISSISSIPPIAN ARCHITECTURAL FRAMEWORK OF NORTHERN ALASKA FROM DETRITAL ZIRCON U-PB DATING OF THE UPPER DEVONIAN AND LOWER MISSISSIPPIAN ENDICOTT GROUP

MOORE, Thomas E., U.S. Geological Survey, 345 Middlefield Road, MS 969, Menlo Park, CA 94025 and O’SULLIVAN, Paul, GeoSep Services, 1521 Pine Cone Rd, Moscow, ID 83843

13-5

2:50 PM

LATE TRIASSIC – JURASSIC MAGMATISM, METALLOGENY AND TECTONICS IN THE INTERMONTANE TERRANES OF YUKON

COLPRON, Maurice¹, CROWLEY, James L.² and SACK, Patrick J.¹, (1)Yukon Geological Survey, P.O. Box 2703 (K-14), Whitehorse, YT Y1A 2C6, Canada, (2)Department of Geosciences, Boise State University, Boise, ID 83725

3:10 PM

Discussion

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Cordilleran Section - 115th Annual Meeting - 2019

T1. Cordilleran Tectonics from the Basin and Range to Alaska and the Arctic II: A Celebration of Elizabeth Miller’s Career (2018 GSA Structure and Tectonics Division Career Contribution Award)