New York · Putnam County
Past Producer

Croton-Mc Collum Magnetite Mine

Putnam County, New York, United States
IronCopperSulfur
⌖ Show on mapUSGS source ↗
Description

Prospector

Commodities
PrimaryIron
TertiaryCopper, Sulfur
Commodity typeB
Deposit
Deposit sizeY
WorkingsUnderground
Orebody formBLANKET
Ore controlIron Rich Precambrian Bed
Materials
Ore mineralsChalcopyrite, Magnetite, Pyrite
GangueApatite, Feldspar, Hornblende, Mica, Quartz
Geology
Host rockGneiss · Paragneiss
StructurePrecambrian Uplands ; Reg.Trends: Northeast, Faulted Blocks
Tectonic settingFaulted Uplands
AlterationMetamorphism Of Rock Units
Economic & production
Development statusPast Producer
Production yearsABOUT 1880 - 1889
First production1880
Discovery year1843
Identification
Deposit ID10067395
MRDS IDW000140
RegionNA
Data scoreB
Coordinates41.36471, -73.65399
References
SMOCK, J.C., 1889, "IRON MINES OF NEW YORK", N.Y.S. MUSEUM BULL. 7, MAP, TEXT, PG 21COLONY, R.J., 1921, "MAGNETITE DEPOSITS SE. NEW YORK", N.Y.S. MUSEUM BULL. 249, MAP, TEXT, PG 118-120NEWLAND, D.H., 1919, "MINERAL RESOURCES OF NEW YORK", N.Y.S. MUSEUM BULL. 223, TEXT, PG. 1251889 RECON NEW YORK STATE GEOLOGICAL SURVEY1942 DIREXPL BETHLEHEM STEEL COMPANY, DRILL CORE, PROVE RESERVESSMOCK; 1889SMOCK, 1889