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Preliminary Geologic Map of the Buxton 7.5' Quadrangle, Washington County, Oregon

Open-File Report 2009-1186

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Abstract

This map, compiled from previously published and unpublished data, and new mapping by the authors, represents the general distribution of bedrock and surficial deposits of the Buxton 7.5-minute quadrangle. The database delineates map units that are identified by general age and lithology following the stratigraphic nomenclature of the U.S. Geological Survey. The scale of the source maps limits the spatial resolution (scale) of the database to 1:24,000 or smaller. This plot file and accompanying database depict the distribution of geologic materials and structures at a regional (1:24,000) scale. The report is intended to provide geologic information for the regional study of materials properties, earthquake shaking, landslide potential, mineral hazards, seismic velocity, and earthquake faults. In addition, the report contains new information and interpretations about the regional geologic history and framework. However, the regional scale of this report does not provide sufficient detail for site development purposes.

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Additional Publication Details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Preliminary Geologic Map of the Buxton 7.5' Quadrangle, Washington County, Oregon
Series title:
Open-File Report
Series number:
2009-1186
Edition:
-
Year Published:
2009
Language:
ENGLISH
Publisher:
U.S. Geological Survey
Contributing office(s):
Western Region Geology and Geophysics Science Center
Description:
Map Sheet: 38 x 36 inches; Data Files
Projection:
Universal Transverse Mercator
Scale:
24000
Online Only (Y/N):
Y
Additional Online Files(Y/N):
Y