| Deposit ID | 10026155 |
|---|---|
| MRDS ID | K002644 |
| Record type | Site |
| Current site name | Hewitt Talc Mine Shaft |
| Related records | 10151692, 10273223 |
| Geographic coordinates: | -83.64517, 35.31011 (WGS84) |
|---|---|
| Relative position | 0.65 MILE NORTHEAST OF MOUTH OF MUDCAT BRANCH |
Political divisions (FIPS codes)
Swain(county)
North Carolina(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Hewitt(quadrangle 1:24,000 scale)
Fontana Lake(quadrangle 1:100,000 scale)
Knoxville(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper Little Tennessee(hydrologic unit)
Upper Tennessee(hydrologic accounting unit)
Upper Tennessee(hydrologic subregion)
Tennessee(hydrologic region)
Federal lands
Nantahala National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
Croatan National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
National Forests in North Carolina(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | North Carolina | Swain |
| Commodity | Importance |
|---|---|
| Talc-Soapstone | Primary |
| Materials | Type of material |
|---|---|
| Talc | Ore |
| Host or associated | Associated |
|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite |
| Rock unit name | Metadiorite, Dark-Green, Locally Porphyritic, Pyroxenite & Amphibolite. Van Horn ( 1948 , P. 15 ) Terms These Rocks Metadiorite Because He Considers Them To Be Metamorphosed Diorites That Have Lost Their Feldspar & Quartz Through Metamorphism |
| Rock description | Metadiorite, Dark-Green, Locally Porphyritic, Pyroxenite & Amphibolite. Van Horn ( 1948 , P. 15 ) Terms These Rocks Metadiorite Because He Considers Them To Be Metamorphosed Diorites That Have Lost Their Feldspar & Quartz Through Metamorphism |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Metasedimentary Rock > Marble |
| (1) | -83.64517, 35.31011 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Northeast-Trending Strike Belts Defining A Major Syncline |
| General form | LENS, PINCH & SWELL |
|---|---|
| Strike | NE |
| Dip | 54 S |
| Plunge direction | SW |
| Development status | Past Producer |
|---|---|
| Commodity type | Non-metallic |
| Significant | No |
| Discoverer | Nantahala Talc And Marble Company And North Carolina Talc And Mining Company. |
| District name | Murphy Marble Belt |
|---|
| Type | Owner-Operator |
|---|---|
| Owner | Nantahala Talc And Marble Co. And North Carolina Talc And Mining Co. |
| Type of workings | Underground |
|---|---|
| Overall depth | 36.58M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | K002644 |
VAN HORN, E.C., 1948, TALC DEPOSITS OF THE MURPHY MARBLE BELT (NORTH CAROLINA): NORTH CAROLINA DIV. MINERAL RESOURCES BULL. 56, 54 P.
1948 OTHER VAN HORN, N.C. DIV. MIN. RES., BULL. 56
1973 OTHER POWER AND FORREST, AM. JOUR. SCI., PAPER
VAN HORN, E.C., 1948, N.C. DIV. MIN. RES. BULL. 56
| Subject category | Comment text |
|---|---|
| Deposit | THE WHITE, FINE-GRAINED, DOLOMITIC MARBLE ZONE WHICH LOCALLY CONTAINS TALC DEPOSITS IS AT THE APPROXIMATE STRATIGRAPHIC CENTER OF THE FORMATION (VAN HORN, 1948). |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-SEP-1974 | Hale, Robin C. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.