| Deposit ID | 10102376 |
|---|---|
| MRDS ID | K004801 |
| Record type | Site |
| Current site name | Poison Branch Mine |
| Related records | 10199856 |
| Geographic coordinates: | -81.44704, 36.51925 (WGS84) |
|---|---|
| Relative position | ABOUT 0.6 MILE N OF LANDMARK CHURCH, ON DIVIDE BETWEEN SILAS CREEK AND OLD FIELD CREEK; AT HEAD OF POISON BRANCH (NOT NOTED ON MAP). |
Political divisions (FIPS codes)
Ashe(county)
North Carolina(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Grassy Creek(quadrangle 1:24,000 scale)
Wytheville(quadrangle 1:100,000 scale)
Winston-Salem(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper New(hydrologic unit)
Kanawha(hydrologic accounting unit)
Kanawha(hydrologic subregion)
Ohio(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | North Carolina | Ashe |
| Commodity | Importance |
|---|---|
| Iron | Primary |
| Materials | Type of material |
|---|---|
| Magnetite | Ore |
| Epidote | Gangue |
| Hornblende | Gangue |
| Quartz | Gangue |
| Result | AVERAGE ORE SAMPLE (PRATT, IN BAYLEY, 1923): 45.25% FE, 20.65% SIO2, 1.58% S, 0.052% P, TRACE TIO2, P:FE RATIO 0.115. |
|---|
| Host or associated | Associated | ||||||
|---|---|---|---|---|---|---|---|
| Rock type | Metamorphic Rock > Gneiss | ||||||
| Rock unit name | Cranberry Gneiss: Augen Gneiss And Porphyritic Gneiss (Rankin, Espenshade, And Neuman, 1972) | ||||||
| Rock description | Cranberry Gneiss: Augen Gneiss And Porphyritic Gneiss (Rankin, Espenshade, And Neuman, 1972) | ||||||
| |||||||
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Gneiss |
| (1) | -81.44704, 36.51925 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Northeast |
| General form | LENS, PINCH AND SWELL |
|---|---|
| Strike | N 40 E |
| Dip | 45 S |
| Width | 1.52M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Significant | No |
| District name | Poison Branch Belt Of Deposits |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | K004801 |
STUCKEY, J. L., 1965, NORTH CAROLINA: ITS GEOLOGY AND MINERAL RESOURCES: RALEIGH, N. C., NORTH CAROLINA DEPT. CONSERV. AND DEVEL., 550 P.
NITZE, H.B.C., 1893, IRON ORES OF NORTH CAROLINA: NORTH CAROLINA GEOLOGICAL SURVEY BULL. NO. 1, 239 P.
1893 OTHER NITZE, H.B.C., N. C. GEOL. SUR. BULL. 1
1923 OTHER BAYLE Y, W. S., TENN. DIV. GEOL. BULL. 29
1965 COMPILE STUCKEY, J. L., N. C. DEPT. CONS. DEVEL.
1966 COMPILE BRYANT AND REED, GEOL. SURV. CIR. 521
| Subject category | Comment text |
|---|---|
| Deposit | ACCORDING TO BAYLEY (1923), THE POISON BRANCH BELT IS A CONTINUOUS SERIES OF DEPOSITS, WITH EACH DEPOSIT COMPRISED OF A NUMBER OF NEARLY PARALLEL, CLOSELY SPACED VEINS. COMMERCIAL PORTIONS OF THE ORE BODIES ARE "...IN THE FORM OF VEINS OR DIKES OF RICH MAGNETITE THAT CUT MASSES OF LEANER ORE. THE LEAN ORE COMPRISES THE LENSES." |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-NOV-1975 | Hale, Robin C. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.