Mine detail: Pinchbeck No. 1 Mine

Location:	Amelia County, Virginia, United States, North America
Lat / long:	37.39062, -77.96304
dep_id:	10080103
mrds_id:	W031178
Commodity type:	metallic and nonmetallic
Major mineral:	Mica
Minor mineral:	Feldspar, Kaolin, Beryllium, Tantalum, Niobium (Columbium)
Operation type:	Unknown
Production size:	Small ammount of material produced
Development status:	Past Producer
ore:	Beryl, Kaolin, Muscovite, Plagioclase
gangue:	Biotite, Quartz
orebody_fm:	LINEAR
ore_ctrl:	Pegmatite Dike
Reporter:	Trimble, David C. (Sweet, Palmer C.)
hrock_unit:	Biotite Gneiss-Chopawamsic Formation
hrock_type:	Gneiss
Structure:	Ne-Sw Trend, Faults
tectonic:	Piedmont
Year first produced:	1890
disc_yr:	1890
References:	Analytical Data:: SRC.REF: PEGAU (1932) Deposit:: LEMKE, JAHNS, AND GRIFFITTS, 1952, MICA DEPOSITS OF THE SOUTHEASTERN PIEDMONT, PART 2. AMELIA DISTRICT, VIRGINIA, U.S. GEOLOGICAL SURVEY PROF. PAPER 248-B, PP. 103-139 Deposit:: BROWN, W.R., 1962, MICA AND FELDSPAR DEPOSITS OF VIRGINIA: VIRGINIA DIVISION OF MINERAL RESOURCES, MINERAL RESOURCES REPORT 3, 195 P. Deposit:: PEGAU, A.A., 1932, PEGMATITE DEPOSITS OF VIRGINIA: VIRGINIA GEOLOGICAL SURVEY BULLETIN 33, 123 P. Deposit:: STERRETT, D.B., 1923, MICA DEPOSITS OF THE UNITED STATES: U.S. GEOLOGICAL SURVEY BULLETIN 740, PP. 307-330. Deposit:: 1890 DIREXPL ? - OPENED MINE, DUG OPEN CUT Deposit:: 1916? DIREXPL RICHMOND MICA CO. - DEEPENED OPEN CUT, MINED Production:: BROWN (1962) AND LEMKE, ETAL (1952)