New York · Putnam County
Past Producer

Tilly Foster Magnetite Mine

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

Prospector

Commodities
PrimaryIron
Commodity typeM
Deposit
Deposit sizeY
WorkingsSurface/Underground
Orebody formDISTORTED AND FAULTED LENSE SHAPE BEDDED DEPOSIT
Ore controlIron Rich Precambrian Bed
Materials
GangueBrucite, Limestone, Olivine, Spinel
Other materialsChondrodite, Serpentine
Geology
Host rockGneiss · Biotite-Quartz-Plagioclase Paragneiss
StructureMonoclinal Structure Of Previously Folded Material ; Reg.Trends: Northeast, Major And Minor Faults
Tectonic settingThrust Block
AlterationMetamorphism
Economic & production
Development statusPast Producer
First production1864
Discovery year1830
Identification
Deposit ID10067394
MRDS IDW000139
RegionNA
Data scoreB
Coordinates41.41277, -73.64205
References
SMOCK, J. C., 1889, "IRON MINES OF NEW YORK", N.Y.S. MUSEUM BULL. 7, MAP, TEXT, PG. 22, 23COLONY, R. J., 1921, "MAGNETITE DEPOSITS SE. NEW YORK", N.Y.S. MUSEUM BULL. 249, MAP, TEXT, PG. 121-124NEWLAND, R. H., 1919, "MINERAL RESOURCES OF NEW YORK", N.Y.S. MUSEUM BULL. 223, TEXT, PG. 123-1241839 RECON NEW YORK STATE GEOLOGICAL SURVEY1873 OTHER BREIDEN BAUGH; E. S.; SCHOLAR; MINERALOGY1884 GEOLMAP WENDT, A. F.; SCHOLAR; AREA MAP AND MINE1886 GEOLMAP RUTTMAM, F. S.; SCHOLAR, MINE GEOLOGYSMOCK, 1889COLONY, 1921