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  3. High-Resolution Aeromagnetic Survey of the Skykomish Area, Washington

High-Resolution Aeromagnetic Survey of the Skykomish Area, Washington

Dates

Publication Date
Start Date
2010-07-06
End Date
2010-08-02

Citation

Blakely, R.J., and Sherrod, B.L. and Weaver, C.S., 2020, High-Resolution Aeromagnetic Survey of the Skykomish Area, Washington: U.S. Geological Survey data release, https://doi.org/10.5066/P9P1YDQH.

Summary

This data release provides access to a low-altitude, aeromagnetic survey of a part of north-central Washington. The survey is centered approximately 120 km northwest of Yakima and includes the small town of Skykomish. The Skykomish aeromagnetic survey covers a part of the central Cascade Range of Washington, the western portion of the Jurassic ophiolitic Ingalls tectonic complex, and the Cretaceous Mount Stuart batholith. These data were acquired during the summer of 2010 by Goldak Airborne Surveys working under contract to the U.S. Geological Survey. Total magnetic field values were acquired using a fixed-wing aircraft flown at a target elevation of 150 m above terrain and along flight lines and tie lines spaced 400 m and 4000 m apart, [...]

Contacts

Point of Contact :
Richard J Blakely
Process Contact :
Richard J Blakely
Originator :
Richard J Blakely, Brian L Sherrod, Craig S Weaver
Metadata Contact :
Richard J Blakely
Publisher :
U.S. Geological Survey
Distributor :
U.S. Geological Survey - ScienceBase
SDC Data Owner :
Geology, Minerals, Energy, and Geophysics Science Center
USGS Mission Area :
Natural Hazards

Attached Files

Click on title to download individual files attached to this item.

blakely_skykomish_final.xml
“Survey description (xml)”
Original FGDC Metadata
View 		13.89 KB application/fgdc+xml
Skykomish_mag_res.gxf
“Gridded data (gxf)” 		3.61 MB application/gxf
Pasco_Skykomish_Tech_Report.pdf
“Survey report (pdf)” 		2.13 MB application/pdf
Skykomish_Data_Dictionary.pdf
“Data dictionary (pdf)” 		16.16 KB application/pdf
Skykomish_Final.csv
“Database (csv)” 		251.35 MB text/csv
Skykomish_Survey_Location_Map.jpg
“Survey location map (jpg)” 		thumbnail 783.6 KB image/jpeg

Purpose

These data were acquired to support earthquake hazard investigations and geologic mapping in north-central Washington. The survey is near the epicenter of the 1872 Chelan earthquake and ongoing seismic activity surrounding Entiat, Washington. Initial interpretation of these data is presented in Blakely, R.J., Sherrod, B.L., Wells, R.E., and Weaver, C.S., 2012, Peeking below Columbia River flood basalts with high-resolution aeromagnetic data: implications for central Washington earthquake hazards [abstract]: Fall Meeting of the American Geophysical Union, San Francisco, California, December 3-7, 2012.
Survey location map (jpg)
Survey location map (jpg)

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Additional Information

Identifiers

Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P9P1YDQH

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