| Deposit ID | 10081547 |
|---|---|
| MRDS ID | W033622 |
| Record type | Site |
| Current site name | Thetford Hill Prospect |
| Geographic coordinates: | -72.2203, 43.8236 (WGS84) |
|---|---|
| Elevation | 277 |
| Relative position | 0.5 MILES NORTHEAST OF THETFORD HILL, VT. |
Political divisions (FIPS codes)
Orange(county)
Vermont(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Lyme(quadrangle 1:24,000 scale)
Rutland(quadrangle 1:100,000 scale)
Glens Falls(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Waits River-Connecticut River(hydrologic unit)
Upper Connecticut(hydrologic accounting unit)
Connecticut(hydrologic subregion)
New England(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Vermont | Orange |
| Commodity | Importance |
|---|---|
| Lead | Primary |
| Zinc Critical | Primary |
| Copper | Tertiary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Sphalerite | Ore |
| Galena | Ore |
| Limonite | Gangue |
| Calcite | Gangue |
| Quartz | Gangue |
| Host or associated | Host | ||||
|---|---|---|---|---|---|
| Rock type | Metamorphic Rock > Metasedimentary Rock > Quartzite | ||||
| Rock unit name | Gile Mountain Formation | ||||
| Rock description | Gile Mountain Formation | ||||
| |||||
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Phyllite |
| (1) | -72.2203, 43.8236 |
|---|
| General form | IRREGULAR LENSES WITHIN A THIN VEIN |
|---|---|
| Strike | N20E |
| Dip | 30E |
| Plunge direction | NORTH |
| Thickness | 0.1M |
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1845 |
| Ownership category | Private |
|---|
| Type | Owner |
|---|---|
| Owner | Dr. And Mrs. Charles Johnson Thetford Hill, Vt. |
| Type of workings | Surface/Underground |
|---|---|
| Area | 0.007HA |
| Overall length | 24.38M |
| Overall width | 3.05M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W033622 | |
| Vermont Agency of Natural Resources | VTANR | VTANR | AM84MD59 |
HADLEY, J.B., 1950, GEOLOGY OF THE BRADFORD-THETFORD AREA, ORANGE CO.; VERMONT. VGS BULLETIN NO. 1, P. 34.
PEARRE, N.C. AND CALKINS, J.A., 1957, MINERAL DEPOSITS AND OCCURRENCES IN VERMONT, EXCLUSIVE OF CLAY, SAND AND GRAVEL, AND PEAT. USGS MAP, MR-5, SCALE 1:500000.
THOMPSON, Z., 1842, THOMPSON'S VERMONT. CHAUNCEY GOODRICH; BURLINGTON, VT., PPL 170-171, PART 3.
HITCHCOCK, E. ET AL, 1861, REPORT ON THE GEOLOGY OF VERMONT, VOL. 2. CLAREMONT MFG. CO. (CLAREMONT, NH.) P.838-839.
ADAMS, C.B., 1846, SECOND ANNUAL REPORT ON THE GEOLOGY OF THE STATE OF VERMONT; CHAUNCEY GOODRICH. (BURLINGTON, VT) P. 226-227.
Cady, W.M., Albee, A.L., And Murphy, J.F., 1962, Bedrock Geology Of The Lincoln Mountain Quadrangle, Vermont: U.S. Geological Survey Geologic Quadrangle Map Gq-164; Scale 1:62,500.Cady, W.M., Albee, A.L., And Murphy, J.F., 1962, Bedrock Geology Of The Lincoln Mountain Quadrangle, Vermont: U.S. Geological Survey Geologic Quadrangle Map Gq-164; Scale 1:62,500.
| Subject category | Comment text |
|---|---|
| Deposit | Discovery Year: 1840'S |
| Deposit | OCCURS AS A VEIN FILLING IN A FRACTURED QUARTZITE IN A GANGUE OF QUARTZ AND CALCITE. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Updater | 01-APR-1986 | McBean, Alan J. (Ratte, Charles A.) | Vermont Agency of Environmental Conservation | |
| Reporter | 01-JUL-1984 | McBean, Alan J. (Ratte, Charles A.) | Vermont Agency of Environmental Conservation | |
| Editor | 01-DEC-2002 | L. G. Woodruff | U.S. Geological Survey | checked references; location; commodities; ore materials |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.