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Year Published: 2017

Impact-related microspherules in Late Pleistocene Alaskan and Yukon “muck” deposits signify recurrent episodes of catastrophic emplacement

Large quantities of impact-related microspherules have been found in fine-grained sediments retained within seven out of nine, radiocarbon-dated, Late Pleistocene mammoth (Mammuthus primigenius) and bison (Bison priscus) skull fragments. The well-preserved fossils were recovered from frozen “muck” deposits (organic-rich silt) exposed within the...

Hagstrum, Jonathan T.; Firestone, Richard B.; West, Allen; Weaver, James C.; Bunch, Ted E.
Hagstrum, JT, Firestone, RB, West, A, Weaver, JC, and Bunch, TE (2017) Impact-related microspherules in Late Pleistocene Alaskan and Yukon “muck” deposits signify recurrent episodes of catastrophic emplacement. Scientific Reports 7:16620, DOI: 10.1038/s41598-017-16958-2.

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Year Published: 2017

Introduction to the 2008 Circum-Arctic Resource Appraisal (CARA) professional paper

The amount of yet-to-find oil and gas in the high northern latitudes is one of the great uncertainties of future energy supply. The possibility of extensive new petroleum developments in the Arctic Ocean is of interest to the Arctic nations, to petroleum companies, and to those concerned with the delicate and changing Arctic environment. The U.S....

Moore, Thomas E.; Gautier, D.L.; Gautier, Donald L.; Moore, Thomas E.
Gautier, D.L., and Moore, T.E., 2017, Introduction to the 2008 Circum-Arctic Resource Appraisal (CARA) professional paper, chap. A of Moore, T.E., and Gautier, D.L., eds., The 2008 Circum-Arctic Resource Appraisal: U.S. Geological Survey Professional Paper 1824, 9 p., https://doi.org/10.3133/pp1824A.

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Year Published: 2017

Lidar-revised geologic map of the Des Moines 7.5' quadrangle, King County, Washington

This map is an interpretation of a modern lidar digital elevation model combined with the geology depicted on the Geologic Map of the Des Moines 7.5' Quadrangle, King County, Washington (Booth and Waldron, 2004). Booth and Waldron described, interpreted, and located the geology on the 1:24,000-scale topographic map of the Des Moines 7.5'...

Tabor, Rowland W.; Booth, Derek B.
Tabor, R.W., and Booth, D.B., 2017, Lidar-revised geologic map of the Des Moines 7.5' quadrangle, King County, Washington: U.S. Geological Survey Scientific Investigations Map 3384, 17 p., 1 sheet, scale 1:24,000, https://doi.org/10.3133/sim3384.

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Year Published: 2017

Geologic road guides for the Southern Canadian Cordillera--Viewing geology and tectonics along major highways

The Geologic Road Guides for the Southern Canadian Cordillera provide a layperson’s understanding of the major geologic units and their tectonic origins along portions of two sets of major highways corridors, herein termed the Southern Road Guide and the Northern Road Guide. The two routes are shown on the Southern Canadian Cordillera Geologic Map...

Bundtzen, Thomas K.; Nokleberg, Warren J.; Price, Raymond A.; Scholl, David W.; Stone, David B.; Nokleberg, Warren J.; Price, Raymond A.

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Year Published: 2017

Introduction

No abstract available.

Bundtzen, Thomas K.; Nokleberg, Warren J.; Price, Raymond A.; Scholl, David W.; Stone, David B.; Nokleberg, Warren J.
Nokleberg, W.J., 2017, Introduction to E-Book on Dynamic Geology of the Northern Cordillera (Alaska and Western Canada) and Adjacent Marine Areas: Tectonics, Hazards, and Resources, in Nokleberg, W.J., ed., Dynamic Geology of the Northern Cordillera (Alaska and Western Canada) and Adjacent Marine Areas: Tectonics, Hazards, and Resources: University of Alaska ScholarWorks@UA, 18 p.

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Year Published: 2017

Landscapes and seascapes and tectonics

No abstract available.

Bundtzen, Thomas K.; Nokleberg, Warren J.; Price, Raymond A.; Scholl, David W.; Stone, David B.; Nokleberg, Warren J.; Scholl, David; Bundtzen, Thomas K.; Stone, David B.
Nokleberg, W.J., Bundtzen, T.K., Scholl, D.W., and Stone, D.B., 2017, Landscapes and Seascapes and Tectonics, in Nokleberg, W.J., ed., Dynamic Geology of the Northern Cordillera (Alaska and Western Canada) and Adjacent Marine Areas: Tectonics, Hazards, and Resources: University of Alaska ScholarWorks@UA, 59 p.

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Year Published: 2017

Marine geology and tectonics--What is under all that water?

This chapter is divided into two main sections. The first section is on Marine Geology Seascapes (what earth scientists call bathymetry). The second section is on Tectonics of Marine Areas.

Bundtzen, Thomas K.; Nokleberg, Warren J.; Price, Raymond A.; Scholl, David W.; Stone, David B.; Scholl, David W.; Nokleberg, Warren J.

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Year Published: 2017

Regional geology and tectonics

This chapter describes the regional geology and tectonic origins of the major geologic units for the Northern Cordillera. The goals of the chapter are to: (1) provide a summary and regional overview of this vast region that contains a complicated geologic history; and (2) describe the major geologic units and tectonic events that cover a broad...

Bundtzen, Thomas K.; Nokleberg, Warren J.; Price, Raymond A.; Scholl, David W.; Stone, David B.; Nokleberg, Warren J.

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Year Published: 2017

The story of a Yakima fold and how it informs Late Neogene and Quaternary backarc deformation in the Cascadia subduction zone, Manastash anticline, Washington, USA

The Yakima folds of central Washington, USA, are prominent anticlines that are the primary tectonic features of the backarc of the northern Cascadia subduction zone. What accounts for their topographic expression and how much strain do they accommodate and over what time period? We investigate Manastash anticline, a north vergent fault propagation...

Kelsey, Harvey M.; Ladinsky, Tyler C.; Staisch, Lydia M.; Sherrod, Brian; Blakely, Richard J.; Pratt, Thomas; Stephenson, William; Odum, Jackson K.; Wan, Elmira
Kelsey, H. M., Ladinsky, T. C., Staisch L., Sherrod, B. L., Blakely, R. J., Pratt, T. L.,… Wan, E. (2017). The story of a Yakima fold and how it informs late Neogene and Quaternary backarc deformation in the Cascadia Subduction Zone, Manastash anticline, Washington, USA. Tectonics, 36, 2085–2107. https://doi.org/10.1002/ 2017TC004558

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Year Published: 2017

A record of change - Science and elder observations on the Navajo Nation

A Record of Change - Science and Elder Observations on the Navajo Nation is a 25-minute documentary about combining observations from Navajo elders with conventional science to determine how tribal lands and culture are affected by climate change. On the Navajo Nation, there is a shortage of historical climate data, making it difficult to assess...

Hiza-Redsteer, Margaret M.; Wessells, Stephen M.
Redsteer, M.H., and Wessells, S.M., 2017, A record of change—Science and elder observations on the Navajo Nation: U.S. Geological Survey General Information Product 181, video, 25 minutes, https://doi.org/10.3133/gip181. [Video also available in Navajo language, 28 minutes.]

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Year Published: 2017

Play-fairway analysis for geothermal resources and exploration risk in the Modoc Plateau region

The region surrounding the Modoc Plateau, encompassing parts of northeastern California, southern Oregon, and northwestern Nevada, lies at an intersection between two tectonic provinces; the Basin and Range province and the Cascade volcanic arc. Both of these provinces have substantial geothermal resource base and resource potential. Geothermal...

Siler, Drew; Zhang, Yingqi; Spycher, Nicolas F.; Dobson, Patrick; McClain, James S.; Gasperikova, Erika; Zierenberg, Robert A.; Schiffman, Peter; Ferguson, Colin; Fowler, Andrew; Cantwell, Carolyn
Siler, D.L., Zhang, Y., Spycher, N.F., Dobson, P.F., Mcclain, J.S., Gasperikova, E., Zierenberg, R.A., Schi, P., Ferguson, C., Fowler, A., Cantwell, C., 2017. Geothermics Play-fairway analysis for geothermal resources and exploration risk in the Modoc Plateau region. Geothermics 69, 15–33. https://doi.org/10.1016/j.geothermics.2017.04.003

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Year Published: 2017

Geologic map of the northern White Hills, Mohave County, Arizona

IntroductionThe northern White Hills map area lies within the Kingman Uplift, a regional structural high in which Tertiary rocks lie directly on Proterozoic rocks as a result of Cretaceous orogenic uplift and erosional stripping of Paleozoic and Mesozoic strata. The Miocene Salt Spring Fault forms the major structural boundary in the map area....

Howard, Keith A.; Priest, Susan S.; Lundstrom, Scott C.; Block, Debra L.
Howard, K.A., Priest, S.S., Lundstrom, S.C., and Block, D.L., 2017, Geologic map of the northern White Hills, Mohave County, Arizona: U.S. Geological Survey Scientific Investigations Map 3372, pamphlet 31 p., scale 1:50,000, https://doi.org/10.3133/sim3372.