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Mineral resource potential map of the Sugarloaf Roadless Area, San Bernardino County, California

Miscellaneous Field Studies Map 1606-A

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Abstract

Geologic, geochemical, and geophysical investigations and a survey of mines and prospects indicate that the Sugaloaf Roadless Area contains subeconomic graphite and magnesian marble resources. Parts of the area have a low potential for the occurrence of additional low-grade graphite resources, but there is no potential for additional magnesian marble resources within the roadless area. Sand, gravel, and construction stone other than carbonate rocks are found in the roadless area, but similar or better quality materials are abundant and more accessible outside the area. The roadless area has no identified energy mineral resources, but parts of the area have a low to moderate potential for low-grade uranium resources. There are no identified metallic mineral resources within the area, and there is no evidence of a potential for the occurrence of such resources. No previously unknown mineral occurrence was located during this study.

Study Area

Additional publication details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Mineral resource potential map of the Sugarloaf Roadless Area, San Bernardino County, California
Series title:
Miscellaneous Field Studies Map
Series number:
1606
Chapter:
A
Year Published:
1983
Language:
English
Publisher:
U.S. Geological Survey
Description:
Report: 9 p.; Map: 32.00 x 34.00 inches
Country:
United States
State:
California
County:
San Bernardino County
Other Geospatial:
Sugarloaf Roadless Area
Scale:
24000