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1-20 OF 23
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John A. Westgate
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Journal Article
Tephra zircon U-Pb geochronology of kimberlite maar sedimentary fills in subarctic Canada: Implications for Eocene paleoclimate and Late Cretaceous paleogeography
Serhiy D. Buryak, Alberto V. Reyes, Christopher K. West, Britta J.L. Jensen, S. Andrew DuFrane, Joshua H.F.L. Davies, Yan Luo, Jennifer M. Galloway, Peter A. Siver, John A. Westgate, Jesse R. Reimink, D. Graham Pearson, Alexander P. Wolfe
Journal: GSA Bulletin
Publisher: Geological Society of America
Published: 01 March 2024
GSA Bulletin (2024) 136 (9-10): 3921–3938.
Journal Article
Ibex Hollow Tuff from ca. 12 Ma supereruption, southern Idaho, identified across North America, eastern Pacific Ocean, and Gulf of Mexico
Andrei M. Sarna-Wojcicki, Jefferey R. Knott, John A. Westgate, James R. Budahn, John Barron, Colin J. Bray, Greg A. Ludvigson, Charles E. Meyer, David M. Miller, Rick E. Otto, Nicholas J.G. Pearce, Charles C. Smith, Laura C. Walkup, Elmira Wan, James Yount
Journal: Geosphere
Publisher: Geological Society of America
Published: 20 July 2023
Geosphere (2023) 19 (5): 1476–1507.
Journal Article
Detrital glass in a Bering Sea sediment core yields a ca. 160 ka Marine Isotope Stage 6 age for Old Crow tephra
Alberto V. Reyes, Britta J.L. Jensen, Shaun H. Woudstra, Matthew S.M. Bolton, Serhiy D. Buryak, Mea S. Cook, Jordan Harvey, John A. Westgate
Journal: Geology
Publisher: Geological Society of America
Published: 02 December 2022
Geology (2023) 51 (1): 106–110.
Journal Article
Characterization of Lower and Middle Pleistocene tephra beds in the southern plains of western Canada
Journal: Canadian Journal of Earth Sciences
Publisher: Canadian Science Publishing
Published: 15 December 2021
Canadian Journal of Earth Sciences (2022) 59 (6): 360–370.
Includes: Supplemental Content
Journal Article
Glass fission-track ages, composition, and origin of tephra beds in the Upper Cretaceous Kanguk Formation, Banks Island, Arctic Canada
Journal: Canadian Journal of Earth Sciences
Publisher: Canadian Science Publishing
Published: 04 May 2021
Canadian Journal of Earth Sciences (2021) 58 (11): 1233–1251.
Includes: Supplemental Content
Journal Article
Middle Eocene CO 2 and climate reconstructed from the sediment fill of a subarctic kimberlite maar
Alexander P. Wolfe, Alberto V. Reyes, Dana L. Royer, David R. Greenwood, Gabriela Doria, Mary H. Gagen, Peter A. Siver, John A. Westgate
Journal: Geology
Publisher: Geological Society of America
Published: 01 July 2017
Geology (2017) 45 (7): 619–622.
Journal Article
Demise of one volcanic zone and birth of another—A 12 m.y. marine record of major rhyolitic eruptions from New Zealand
Journal: Geology
Publisher: Geological Society of America
Published: 01 June 2003
Geology (2003) 31 (6): 493–496.
Journal Article
Trace-element composition of single glass shards in distal Minoan tephra from SW Turkey
Journal: Journal of the Geological Society
Publisher: Geological Society of London
Published: 01 September 2002
Journal of the Geological Society (2002) 159 (5): 545–556.
Journal Article
Characterization, identity, distribution, and source of late Cenozoic tephra beds in the Klondike district of the Yukon, Canada
Journal: Canadian Journal of Earth Sciences
Publisher: Canadian Science Publishing
Published: 05 July 2000
Canadian Journal of Earth Sciences (2000) 37 (7): 983–996.
Journal Article
Dawson tephra: a prominent stratigraphic marker of Late Wisconsinan age in west-central Yukon, Canada
Journal: Canadian Journal of Earth Sciences
Publisher: Canadian Science Publishing
Published: 03 April 2000
Canadian Journal of Earth Sciences (2000) 37 (4): 621–627.
Journal Article
Tephrochronology of late Cenozoic loess at Fairbanks, central Alaska
Journal: GSA Bulletin
Publisher: Geological Society of America
Published: 01 January 1999
GSA Bulletin (1999) 111 (1): 71–90.
Book Chapter
Eva interglaciation forest bed, unglaciated East-Central Alaska: Global warming 125,000 years ago
Book: Eva interglaciation forest bed, unglaciated East-Central Alaska: global warming 125,000 years ago
Series: GSA Special Papers
Publisher: Geological Society of America
Published: 01 January 1997
DOI: 10.1130/0-8137-2319-1.1
Book
Eva interglaciation forest bed, unglaciated East-Central Alaska: global warming 125,000 years ago
Series: GSA Special Papers
Publisher: Geological Society of America
Published: 01 January 1997
DOI: 10.1130/SPE319
Journal Article
Early to middle Pleistocene tephrochronology of North Island, New Zealand: Implications for volcanism, tectonism, and paleoenvironments
Journal: GSA Bulletin
Publisher: Geological Society of America
Published: 01 August 1996
GSA Bulletin (1996) 108 (8): 915–925.
Journal Article
Miocene tephra beds in the Cypress Hills of Saskatchewan, Canada
Journal: Canadian Journal of Earth Sciences
Publisher: Canadian Science Publishing
Published: 01 January 1992
Canadian Journal of Earth Sciences (1992) 29 (1): 48–51.
Journal Article
A 3 m.y. record of Pliocene-Pleistocene loess in, interior Alaska
Journal: Geology
Publisher: Geological Society of America
Published: 01 September 1990
Geology (1990) 18 (9): 858–861.
Journal Article
Restricted regional extent of the Laurentide Ice Sheet in the Great Lakes basins during early Wisconsin glaciation
Journal: Geology
Publisher: Geological Society of America
Published: 01 June 1987
Geology (1987) 15 (6): 537–540.
Journal Article
Fission-track ages of late Cenozoic distal tephra beds in the Yukon Territory and Alaska
Journal: Canadian Journal of Earth Sciences
Publisher: Canadian Science Publishing
Published: 01 November 1982
Canadian Journal of Earth Sciences (1982) 19 (11): 2167–2178.
Journal Article
Magnetic reversal history of Pleistocene sediments at Old Crow, northwestern Yukon Territory
Journal: Canadian Journal of Earth Sciences
Publisher: Canadian Science Publishing
Published: 01 May 1982
Canadian Journal of Earth Sciences (1982) 19 (5): 919–929.
Journal Article
Age of the Salmon Springs Glaciation in Washington
Journal: Geology
Publisher: Geological Society of America
Published: 01 February 1981
Geology (1981) 9 (2): 87–93.
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