Mine detail: Cornwall Mine

Previously called 'Cornwall East and Open PitCornwall Iron-Cobalt Deposit'

Location:	Lebanon County, Pennsylvania, United States, North America
Lat / long:	46.26942, -76.40294
dep_id:	10069387
mrds_id:	W006887
Commodity type:	metallic and nonmetallic
Major mineral:	Iron, Cobalt
Minor mineral:	Copper, Gold, Sulfur, Silver
Operation type:	Unknown
Deposit type:	Contact Metamorphic
Production size:	Production occurred
Development status:	Past Producer
ore:	Magnetite, Pyrite, Chalcopyrite
gangue:	Diopside, Phlogopite, Garnet, Actinolite, Chlorite, Talc, Serpentine
model:	62: Skarn Fe
alteration:	Potassium Metasomatism
Reporter:	Shaffer, Glenn L., Whitlow, S., Woodruff, Laurel G.
hrock_unit:	Buffalo Springs Formation
hrock_type:	Carbonate
arock_unit:	Mill Hill Slate, Blue Conglomerate, York Haven Diabase Sheet
arock_type:	Hornfels,Diabase
tectonic:	Interior Basin
References:	Deposit:: BILBREY, J. H., 1962, COBALT, A MATERIALS SURVEY: U.S. BUREAU OF MINES INFORMATION CIRCULAR 8130, P. 2, 26 AND 27. Deposit:: VHAY, J.S., BROBST, DONALD A., AND HEYL, A. V., 1973, COBALT: (CHAPTER IN) U.S. MINERAL RESOURCES, U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 820, P. 145. Deposit:: LAPHAM, D.M., 1968, TRIASSIC MAGNETITE AND DIABASE AT CORNWALL, PENNSYLVANIA: IN RIDGE, J.D., ED., ORE DEPOSITS OF THE UNITED STATES 1933-1967 (GRATON-SALES VOLUME) V. 1: AMERICAN INSTITUTE OF MINING, METALLURGICAL AND PETROLEUM ENGINEERS, P. 72-94. Deposit:: ROSE, A.W. AND SMITH, R.C., II, 2001, MAGNETITE-CU SKARNS FORMED BY NON-MAGMATIC (?) FLUIDS AT CORNWALL, PA AND VICINITY [ABSTRACT]: GEOLOGICAL SOCIETY OF AMERICA ANNUAL MEETING; PAPER NO. 2-O. Geology:: GRAY, C., GEYER, A.R., AND MCLAUGHLIN, D.B., 1958, RICHLAND QUADRANGLE: PENNSYLVANIA GEOLOGICAL SURVEY, 4TH SERIES, GEOLOGICAL ATLAS OF PENNSYLVANIA, ATLAS 167D, 1:24,000.