| Deposit ID | 10199535 |
|---|---|
| MRDS ID | W000140 |
| MAS/MILS ID | 0360790020 |
| Record type | Site |
| Current site name | Croton Magnetite Iron Mines |
| Alternate or previous names | Theall Mine, Mc Collum Mine |
| Related records | 10067395 |
| Point of reference | Ore Body |
|---|---|
| Geographic coordinates: | -73.65265, 41.36689 (WGS84) |
| Elevation | 140 |
| Location accuracy | 100(meters) |
Political divisions (FIPS codes)
Putnam(county)
New York(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Croton Falls(quadrangle 1:24,000 scale)
Bridgeport(quadrangle 1:100,000 scale)
Hartford(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Lower Hudson(hydrologic unit)
Lower Hudson(hydrologic accounting unit)
Lower Hudson-Long Island(hydrologic subregion)
Mid Atlantic(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | New York | Putnam |
| Commodity | Importance |
|---|---|
| Copper | Tertiary |
| Iron | Tertiary |
| Materials | Type of material |
|---|---|
| Amphibole | Unknown |
| Apatite | Unknown |
| Biotite | Unknown |
| Chalcopyrite | Unknown |
| Hornblende | Unknown |
| Ilmenite | Unknown |
| Magnetite | Unknown |
| Pyrite | Unknown |
| Pyrrhotite | Unknown |
| Quartz | Unknown |
| Ore Body (1) | -73.65265, 41.36689 |
|---|
| Strike | N40E | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dip | 85S | ||||||||||||||||||||||||||||
| Thickness | 457M | ||||||||||||||||||||||||||||
| Length | 1220M | ||||||||||||||||||||||||||||
| Width | 23M | ||||||||||||||||||||||||||||
| Area | 19HA | ||||||||||||||||||||||||||||
| Depth to top | 24M | ||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||
| Operation type | Surface-Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Significant | No |
| Year of first production | 1880 |
| District name | Brewster Magnet |
|---|
| Type of mineral rights | Fee Ownership |
|---|
| Ownership category | Private |
|---|
| Type | Unknown |
|---|---|
| Owner | Nipissing Mining Co., Ltd. (Parent Co. Of Croton) |
| Home office | Canada |
| Year | 1976 |
| Type | In-situ | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1968 | ||||||||||||||
| Inferred | 10000000mt ore | ||||||||||||||
| Total resources | 10000000mt ore | ||||||||||||||
| |||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0360790020 | |
| USGS | Mineral Resources Data System | MRDS | W000140 | MAS references MRDS |
COLONY, R. J. THE MAGNETITE IRON DEPOSITS OF SOUTHEASTERN NE
NEW YORK STATE MUSEUM BULL. 249-250, 1921, PP. 118-120.
PRUCHA, J. J. GEOLOGY OF THE BREWSTER MAGNETITE DISTRICT OF
EASTERN NEW YORK. NEW YORK STATE MUSEUM BULL. 43, 1956, PP.
PRUCHA, J. J., D. M. SCOTFORD, R. M. SNEIDER. BEDROCK GEOLOG
PARTS OF PUTNAM AND WESTCHESTER COUNTIES, NEW YORK, AND FAIR
COUNTY, CONNECTICUT. NEW YORK STATE MUSEUM MAP AND CHART SER
11, 1968, P. 22.
| Subject category | Comment text |
|---|---|
| Deposit | DATE ENTERED/1977 RECORD 010, FIELD 22-25/CU IN MAGNETITE LENS IN GNEISS, MINE RESOURCES MAP, NO. 13., .1-.2% CU PRUCHA, 1956, P. 39. RECORD 040, FIELD 50-64/NEAR CROTON FALLS RESERVOIR AND SUBU RECORD 080, FIELD 15-27/METAMORPHIC DIFFERENTIATION HAS PROD NARROW BANDS AND LENSES OF MAGNETITE RECORD 050, FIELD 22-29/PRODUCTION 100,000 TONS FE ORE MATRIX/ECONOMIC PROSPECTS FOR RENEWED MINING POOR DUE TO NEE UNDERGROUND MINING, RESERVOIR WATERSHED AND SUBURBAN RESIDEN |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 27-FEB-84 | Brocoum, A. | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.