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Pacific Granite Company Mine (Granite quarries), Rocklin, Rocklin District (Loomis District), Placer Co., California, USA

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Latitude & Longitude (WGS84): 38° 46' 22'' North , 121° 13' 10'' West
Latitude & Longitude (decimal): 38.7727777778, -121.219444444
A former granite deposit/quarries located in sec. 29, T11N, R7E, MDM, 2.4 km (1.5 miles) E of Rocklin, E of Interstate highway 80. MRDS database stated accuracy for this location is 500 meters.

NOTE: The USGS MRDS database cross-references the 2 files as the same locality. There is a minior difference in geographic coordinates presented. The alternate coordinates are: 38°46'26"N, 121°12'54"W.

Local rocks include Tertiary pyroclastic and volcanic mudflow deposits, unit 9 (Cascade Range).

Workings include surface openings.

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Crawford, James John (1894), Twelfth report of the State Mineralogist: California Mining Bureau. (Report 12): 12: 384-386.

Lindgren, Waldemar (1894b), Description of the gold belt; description of the Sacramento sheet. USGS Geologic Atlas, Sacramento folio (Folio No. 5), 3 pp.

Waring, Clarence A. (1917), Placer County: Report 15 of the State Mineralogist, California State Mining Bureau (Report 15): 15: 389.

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10032023 & 10115545.

U.S. Bureau of Mines, Minerals Availability System (MAS) file #0060610042.

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