| Deposit ID | 10082409 |
|---|---|
| MRDS ID | W055148 |
| Record type | Site |
| Current site name | Dehart Mine |
| Geographic coordinates: | -74.60098, 40.84222 (WGS84) |
|---|---|
| Elevation | 311 |
Political divisions (FIPS codes)
Morris(county)
New Jersey(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Mendham(quadrangle 1:24,000 scale)
Newark(quadrangle 1:100,000 scale)
Newark(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Raritan(hydrologic unit)
Lower Hudson(hydrologic accounting unit)
Lower Hudson-Long Island(hydrologic subregion)
Mid Atlantic(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | New Jersey | Morris |
| Commodity | Importance |
|---|---|
| Iron | Primary |
| Materials | Type of material |
|---|---|
| Magnetite | Ore |
| Result | 1880 ANALYSIS YIELDED 50.7% FE, 0.633% P, TRACE TIO2 |
|---|
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Gneiss |
| Rock unit name | Biotite Gneiss |
| Rock description | Biotite Gneiss |
| (1) | -74.60098, 40.84222 |
|---|
| Strike | N 53 E |
|---|---|
| Dip | 80-85 SE |
| Plunge direction | NE |
| Width | 4.27M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Year of first production | 1868 |
| Year of last production | 1886 |
| Ownership category | Private |
|---|
| Type | Operator |
|---|---|
| Owner | Keiper And Boyer, Nyc |
| Type | Owner |
|---|---|
| Owner | Fitch, Lee And Merkel, Sallie |
| Home office | 1399 Sussex Turnpike, Randolph, Nj 07869 |
| Type of workings | Surface/Underground |
|---|---|
| Overall depth | 19.81M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W055148 |
BAYLEY, WILLIAM S., 1910. IRON MINES AND MINING IN NEW JERSEY, VOL. VII OF THE FINAL REPORT SERIES OF THE STATE GEOLOGIST;
FIELD CHECKED 1986
COOK, GEORGE H., 1880. ANNUAL REPORT OF THE STATE GEOLOGIST FOR THE YEAR 1880
COOK, GEORGE H., 1886. ANNUAL REPORT OF THE STATE GEOLOGIST FOR THE YEAR 1886
| Subject category | Comment text |
|---|---|
| Deposit | MOST ORE IS OXIDIZED SURFACE MATERIAL, UNDERLAIN BY REDUCED ORE IN 4 VEINS. OXIDIZED ORE IS FOUND UP TO 40' DEEP; REDUCED ORE IS SULPHUROUS. MAGNETITE IS IN LAYERS UP TO 6" THICK. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-NOV-1986 | Kaeding, Margaret E. (Bell, Christy A.) | New Jersey Bureau of Geology and Topography |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.