| Deposit ID | 10026505 |
|---|---|
| MRDS ID | K005182 |
| Record type | Site |
| Current site name | Sawyer Mine |
| Related records | 10273743 |
| Geographic coordinates: | -79.91645, 35.78926 (WGS84) |
|---|---|
| Relative position | 7.8 MILES NORTHWEST OF ASHEBORO AND 6.8 MILES SOUTHWEST OF RANDLEMAN. |
Political divisions (FIPS codes)
Randolph(county)
North Carolina(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Glenola(quadrangle 1:24,000 scale)
Chapel Hill(quadrangle 1:100,000 scale)
Raleigh(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Lower Yadkin(hydrologic unit)
Upper Pee Dee(hydrologic accounting unit)
Pee Dee(hydrologic subregion)
South Atlantic-Gulf(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | North Carolina | Randolph |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Secondary |
| Copper | Tertiary |
| Lead | Tertiary |
| Zinc Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Galena | Ore |
| Gold | Ore |
| Pyrite | Ore |
| Sphalerite | Ore |
| Chlorite | Gangue |
| Quartz | Gangue |
| Sericite | Gangue |
| Result | ASSAYS AND SELECTED BEDROCK SAMPLES ARE COMMONLY IN THE 0.05 TO 0.2 OPT FOR GOLD AT THE SURFACE. SEVERAL HIGH-GRADE ASSAYS OF OVER 1 OPT AU HAS BEEN REPORTED BY LUTTRELL, 1978. DRILL-HOLE ASSAYS FAILED TO INTERSECT HIGH-GRADE ASSAYS AND FOUND ONLY 0.02-0.2 OPT IN 0.75 M ASSAY INTERVALS. AG/AU COMMONLY IS FROM 1 TO 10, PB AND ZN ARE PRESENT IN QUANTITIES UP TO ABOUT 4000 PPM ZN AND 800 PPM PB.HUNDRED PPM |
|---|
| Model code | 104 |
|---|---|
| USGS model code | 25a |
| Deposit model name | Hot-spring Au-Ag |
| Mark3 model number | 45 |
| Host or associated | Associated | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff | ||||||||
| Rock unit name | Tillery Formation | ||||||||
| Rock description | Tillery Formation | ||||||||
| |||||||||
| Host or associated | Host |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite |
| Rock unit name | Tillery Formation |
| Rock description | Tillery Formation |
| (1) | -79.91645, 35.78926 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Ne-Trending Open To Tight West-Verging Folds. |
| Type of structure | Local |
| Structure description | Ne Striking, N-Plunging Small-Scale Folds Indicate A Left Lateral Sense Of Shear Within The Highly Altered Rocks. Early Ne-Trending Faults May Have Been Associated With The Development Of The Nearby Rhyolitic Volcanic Center And Provided The Locus For Precious-Metal Deposits. Early Ne Tren |
| General form | TABULAR |
|---|---|
| Strike | N 40 E |
| Dip | 50 NW |
| Length | 610M |
| Width | 15M |
| Depth to bottom | 46M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1850 |
| Year of first production | 1850 |
| Year of last production | 1906 |
| District name | Carolina Slate Belt |
|---|
| Type of workings | Surface/Underground |
|---|---|
| Overall depth | 46M |
| Overall length | 548.64M |
| Overall width | 100M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | K005182 |
KLEIN, UNPUBLISHED DATA; LUTTRELL, 1978, USGS OPEN-FILE REPORT 78-152.
CARPENTER, P. A., III, 1976, METALLIC MINERAL DEPOSITS OF THE CAROLINA SLATE BELT, NORTH CAROLINA: NORTH CAROLINA MINERAL RESOURCES SEC. BULL. 84, 166 P.
PARDEE, J. T., AND PARK, C. F., JR., 1948, GOLD DEPOSITS OF THE SOUTERN PIEDMONT: U.S. GEOLOGICAL SURVEY PROF. PAPER 213, 156 P.
| Subject category | Comment text |
|---|---|
| Deposit | THREE DISTINCT VEINS OR MINERALIZED ZONES WERE MINED. THEuSULPHUR VEIN, BEING THE EASTERN MOST, AND THE MILLER VEIN, AND THEuDAVIS VEIN WHICH IS POSSIBLY AN OFFSETT SEGMENT OF THE MILLERuVEIN. ALL TREND N 40 TO N 52 DEG E AND MAY DIP AT ABOUT 45 DEGuWEST. ALTERATION AND SOME SURFACE GEOCHEMICAL ANOMALIES EXTENDuTO THE NORTH-EAST FOR A DISTANCE OF 500M BEYOND THE NORTHERN ENDuOF THE WORKINGS. TWO OTHER POSSIBLY RELATED GOLD-BEARING ZONESu, THE BRUMMEL HILL AND OLD PACE WORKINGS LIE 60 METERS TO THEuENE. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-OCT-1976 | Mcdaniel, Ronald D. | North Carolina Division of Land Resources | |
| Updater | 01-JUN-1991 | Klein, T.L. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.