Pennsylvania · Berks County
Past Producer

Grace Mine

Berks County, Pennsylvania, United States
CobaltIronGoldCopperSulfur-Pyrite
⌖ Show on mapUSGS source ↗
Description

Airborne Magnetometer Survey

Commodities
PrimaryCobalt, Iron
SecondaryGold, Copper, Sulfur-Pyrite
Commodity typeM
Deposit
Deposit typeReplacement/contact metamorphic
Model62: Skarn Fe
Deposit sizeY
Orebody formTABULAR
Ore controlIron Ore Minerals Introduced From Diabase. Ore Formed By Hydrothermal Fluids
Materials
Ore mineralsMagnetite, Pyrite, Chalcopyrite, Covellite, Digenite
GangueSerpentine, Talc, Chlorite, Calcite, Dolomite, Phlogopite, Tremolite, Biotite, Apatite, Diopside, Hematite
Other materialsGalena, Marcasite, Pyrrhotite, Sphalerite
Geology
Host rockCarbonate · Elbrook Formation
Associated rockSandstone,Diabase,Dolomite · "Stockton Formation", "Ledger Formation"
StructureTriassic basin regional trend NE-SW, Triassic Basin ; Reg.Trends: Northeast-Southwest
Tectonic settingInterior Basin
AlterationContact Metamorphism/Hydrothermal Alteration
Economic & production
Development statusPast Producer
Production years1958-PRESENT
First production1958
Discovery year1948
Identification
Deposit ID10067406
MRDS IDW000153
Alternate namesJones & Kinney Mine, Bylers Mine, Morgantown Mine, Grace Iron-Cobalt Mine
RegionNA
Data scoreB
Coordinates40.172, -75.882
References
ANDREWS, R.W., 1962, COBALT: OVERSEAS GEOLOGICAL SURVEYS, MINERAL RESOURCES DIVISION, LONDON, HER MAJESTY'S STATIONERY OFFICE.U.S. BUREAU OF MINES, 1975, COMMODITIES DATA SUMMARY.TSUSUE, AKIO, MINERAL ASPECTS OF THE GRACE MINE MAGNETITE DEPOSIT PA. GEOL. SUR. RPT. M49, 1964.COCHRAN, WILLIAM, GRACE IRON ORE WASTE DISPOSAL SYSTEM AND EED COSTS, BUMINES IC-8435, 1969.LAPHAM AND GEYER, MINERAL COLLECTING IN PA., PA. GEOL. SUR. G-33, 2 ND ED., 1965, PP 35-38.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.GRACE MINE PAMPHLET, BETHLEHEM MINES CORP, 1962WORLD MINES REGISTER, 1975-76ROSE, ARTHUR, ATLAS OF PENNSYLVANIAS MINERAL RESOURCES, PART GEOL SUR BULL M50, 1970SOCOLOW, ARTHUR, GEOLOGIC INTERPRETATION OF AEROMAGNETIC MAP MORGANTOWN QUADRANGLE, PA GEOL SUR IC-34, 1959THE ECONOMICS OF BYPRODUCT METALS, BUMINES IC-8570, 1973MATERIALS SURVEY, COBALT, BUMINES-USGS, 1950Vhay, J.S., Brobst, D.A., and Hely, A.V., 1973, Cobalt, in Brobst, D.A., and Pratt, W.P, eds., United States Mineral Resources: U.S. Geological Survey Professional Paper 820, p. 148-155.ENGINEERING MINING JOURNAL 1972 INTERNATIONAL DIRECTORY OF MINING AND MINERAL PROCESSING: NEW YORK, MCGRAW-HILL, INC., P. 135.THE ECONOMICS OF BYPRODUCT METAL, BUREAU OF MINES INFORMATION CIRCULAR/1973.ORE DEPOSITS OF THE UNITED STATES 1933-1967 VOLUME 1, 1968 EDITION. PG. 119.COBALT: A MATERIALS SURVEY. BUREAU OF MINES INFORMATION CIRCULAR 8103.