File:Puget Lowland basins and faults.png

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Description

English: Bouguer gravity anomaly map of the Puget Lowland region (WA) and principal faults and folds, over outline of Puget Sound, Hood Canal, and east end of Strait of Juan de Fuca. Blue and green generally indicate basins (with lower density sedimentary rock), red is generally uplifted basalt of the Crescent Formation. White triangles indicate locations determined to have been uplifted/subsided by earthquake about 1100 years ago. Modified from plate 1 of Pratt, et al., "Seismic reflection images beneath Puget Sound, western Washington State: The Puget Lowland thrust sheet hypothesis" Journal of Geophysical Research 102(B12):27,469—27,489 (Dec. 10, 1997) doi: 10.1029/97JB01830

Date

circa 1997

Source

http://faculty.washington.edu/tpratt/JGR97.pdf

Author

Thomas Pratt et al. (all USGS staff)

Permission
(Reusing this file)

This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy.

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Authors are all USGS staff, and publisher disclaims copyright.

File history

Click on a date/time to view the file as it appeared at that time.

	Date/Time	Thumbnail	Dimensions	User	Comment
current	22:21, 15 October 2017		358 × 546 (1,012 KB)	J. Johnson	Added RMFZ and GFFZ (Rogers Belt), to reflect new knowledge in the last ten years.
	21:50, 27 May 2010		358 × 546 (1,012 KB)	J. Johnson	{{Information \|Description={{en\|1=Bouguer gravity anomaly map of the Puget Lowland region (WA) and principal faults and folds, over outline of Puget Sound, Hood Canal, and east end of Strait of Juan de Fuca. Blue and green generally indicate basins (with