Mine detail: Grace Mine

Previously called 'Jones & Kinney MineBylers MineMorgantown MineGrace Iron-Cobalt Mine'

<< Back to the map

Location

Lat / long:

40.17112, -75.87907

Resource(M)

Primary:	Iron, Cobalt
Secondary:	Copper, Gold
Ore:	Magnetite, Pyrite, Chalcopyrite
Gangue:	Serpentine, Talc, Chlorite, Calcite, Dolomite, Phlogopite, Tremolite, Biotite
Orebody form:	TABULAR
Discovery year:	1948

Production

Operation type:	Unknown
Deposit type:	Replacement
Production size:	Yes
Development status:	Past Producer
Production years:	1958-PRESENT
First production started:	1958

Geology

Host rock:	Elbrook Formation
Host type:	Carbonate
Associated rock:	Stockton Formation, Ledger Formation
Associated type:	Sandstone,Diabase,Dolomite
Structure:	Triassic basin regional trend NE-SW, Triassic Basin ; Reg.Trends: Northeast-Southwest
Tectonic:	Interior Basin
Alteration processes:	Contact Metamorphism/Hydrothermal Alteration

References

MRDS	W000153
DEP	10067406
Reference	{Commodity:: ANDREWS, R.W., 1962, COBALT: OVERSEAS GEOLOGICAL SURVEYS, MINERAL RESOURCES DIVISION, LONDON, HER MAJEST * STATIONERY OFFICE.}{Commodity:: U.S. BUREAU OF MINES, 1975, COMMODITIES DATA SUMMARY.}{Deposit:: SIMS, S.J., 1968, THE GRACE MINE MAGNETITE DEPOSIT, BERKS COUNTY, 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. 108-124.}{Production:: ENGINEERING MINING JOURNAL 1972 INTERNATIONAL DIRECTORY OF MINING AND MINERAL PROCESSING: NEW YORK, MCGRAW-HILL, INC., P. 135.}
Reporter	Wright, Nancy , Coury, Anny B., Shaffer, Glenn L., Whitlow, S., Woodruff, Laurel G.