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Scientific Investigations Map 3238

Geologic Strip Map Along the Hines Creek Fault Showing Evidence for Cenozoic Displacement in the Western Mount Hayes and Northeastern Healy Quadrangles, Eastern Alaska Range, Alaska

By Warren J. Nokleberg, John N. Aleinikoff, Thomas K. Bundtzen, and Maiana N. Hanshaw

Thumbnail of and link to map PDF (18.8 MB)Summary

Geologic mapping of the Hines Creek Fault and the adjacent Trident Glacier and McGinnis Glacier Faults to the north in the eastern Alaska Range, Alaska, reveals that these faults were active during the Cenozoic. Previously, the Hines Creek Fault, which is considered to be part of the strike-slip Denali Fault system (Ridgway and others, 2002; Nokleberg and Richter, 2007), was interpreted to have been welded shut during the intrusion of the Upper Cretaceous Buchanan Creek pluton (Wahrhaftig and others, 1975; Gilbert, 1977; Sherwood and Craddock, 1979; Csejtey and others, 1992). Our geologic mapping along the west- to west-northwest-striking Hines Creek Fault in the northeastern Healy quadrangle and central to northwestern Mount Hayes quadrangle reveals that (1) the Buchanan Creek pluton is truncated by the Hines Creek Fault and (2) a tectonic collage of fault-bounded slices of various granitic plutons, metagabbro, metabasalt, and sedimentary rock of the Pingston terrane occurs south of the Hines Creek Fault.

First posted August 5, 2013

     Files for viewing and printing:

     Data:

  • Readme txt (2 kB).
  • Metadata txt (38 kB).
  • GIS data ZIP. This file contains the files necessary to create the map and includes ArcMap files and topography (2 MB compressed; 37 MB expanded).

For additional information:
Contact Information, Geology, Minerals, Energy, and Geophysics Science Center—Menlo Park
U.S. Geological Survey
345 Middlefield Road, MS-973
Menlo Park, CA 94025-3591
http://geomaps.wr.usgs.gov/gmeg/

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Suggested citation:

Nokleberg, W.J., Aleinikoff, J.H., Bundtzen, T.K., and Hanshaw, M.N., 2013, Geologic strip map along the Hines Creek Fault showing evidence for Cenozoic displacement in the western Mount Hayes and northeastern Healy quadrangles, eastern Alaska Range, Alaska: U.S. Geological Survey Scientific Investigations Map 3238, pamphlet 31 p., scale 1:63,360, and GIS data, http://pubs.usgs.gov/sim/3238/.


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