New York · Dutchess County
Past Producer

Maltby Limonite Mine

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

C. S. Maltby

Commodities
PrimaryIron
Commodity typeM
Deposit
Deposit typeResidual
Deposit sizeY
WorkingsSurface
Orebody formWEDGE
Ore controlProbably Mass Weathering Of Iron Rich Dolomite Layers
Materials
Ore mineralsLimonite
GangueBiotite, Phlogopite, Tremolite
Geology
StructureMajor Overthrust Belt ; Reg.Trends: North-South, Faults
Tectonic settingMany Fractures In Overthrust Belt
AlterationMass Weathering Of Small Fractured Blocks
Economic & production
Development statusPast Producer
Production years1750 - 1885
First production1750
Discovery year1750
Identification
Deposit ID10105444
MRDS IDW000146
RegionNA
Data scoreB
Coordinates41.96999, -73.49732
References
SMOCK, J.C., 1889, "IRON MINES OF NEW YORK", N.Y.S. MUSEUM BULL. 7, MAP, TEXT, PG 58HOBBS, W.H., 1907, "IRON ORES OF SALISBURY DISTRICT, CONN., N.Y., MASS.", ECON. GEOL. V.2, MAP, SKETCHES, TABLES, TEXT, PG 160-162.1889 RECON NEW YORK STATE GEOLOGICAL SURVEY1907 RECON UNITED STATES GEOLOGICAL SURVEYSMOCK, 1889, HOBBS, 1907