| Deposit ID | 10022112 |
|---|---|
| MRDS ID | DE01938 |
| Record type | Site |
| Current site name | Kahn Quarry |
| Geographic coordinates: | -99.93955, 33.6654 (WGS84) |
|---|---|
| Elevation | 448 |
| Location accuracy | 250(meters) |
| Relative position | GO 6.7 MI W. OF BENJAMIN ON U.S. HWY. 82. GO N. 0.65 MI TO FORK. GO NW 0.85 MI TO FORK. CONTINUE NW 0.4 MI TO FORK. GO W. 0.25 MI. GO N. 0.45 MI TO FORK. GO N. 2.4 MI TO FORK. GO E. 0.15 MI. GO N. AND NNW ABOUT 0.65 MI TO END OF ROAD. WALK ABOUT 1600 FT NNW TO SMALL CANYON WITH ABOUT 80 FT OF RELIEF. THE COPPER WAS SUPPOSED TO OCCUR IN CARBONIZED PLANT REMAINS IN THE UPPER SAN ANGELO SANDY SHALES AND SANDSTONE. |
Political divisions (FIPS codes)
Knox(county)
Texas(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Maverick Flat(quadrangle 1:24,000 scale)
Lake Kemp(quadrangle 1:100,000 scale)
Wichita Falls(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
South Wichita(hydrologic unit)
Red-Lake Texoma(hydrologic accounting unit)
Red-Washita(hydrologic subregion)
Arkansas-White-Red(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Texas | Knox |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| 3 HALF SECTION | SE OF W2 | Texas |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Materials | Type of material |
|---|---|
| Malachite | Ore |
| Sandstone | Gangue |
| Shale | Gangue |
| Host or associated | Associated | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Shale | ||||||||
| Rock unit name | San Angelo Formation | ||||||||
| Rock description | San Angelo Formation | ||||||||
| |||||||||
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Sandstone |
| Rock unit name | San Angelo Formation |
| Rock description | San Angelo Formation |
| (1) | -99.93955, 33.6654 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Gentle Dip Wnw Of 30 Ft/Mi Or Less Off Bend Arch |
| Name | UNNAMED |
|---|---|
| General form | LENTICULAR |
| Strike | NNE |
| Dip | WNW, 30 FT/MI OR LESS |
| Thickness | 0.61M |
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1956 |
| Discoverer | Jack Kahn |
| District name | Benjamin Nw |
|---|
| Ownership category | Private |
|---|
| Type | Owner |
|---|---|
| Owner | Driver Ranch |
| Type of workings | Surface |
|---|---|
| Name of workings | OUTCROP |
| Area | 0.405HA |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | DE01938 | |
| Oklahoma Geological Survey | OGS | OGS | TX-KNO-11 |
OLSON, E.C., 1962, AMERICAN PHILOSOPHICAL SOCIETY TRANSACTIONS, NEW SERIES, V. 52, PT. 2, 224 P. (P. 98, 102, 114-116).
HENTZ, T.F., AND BROWN, L.F., JR., 1987, IN BARNES, V.E., GEOLOGIC ATLAS OF TEXAS - WICHITA FALLS-LAWTON SHEET: TEXAS BUREAU OF ECONOMIC GEOLOGY, SCALE 1:250,000.
| Subject category | Comment text |
|---|---|
| Deposit | OLSON (1962, P. 114-116) MEASURED 19-32 FT OF BEDS. THIS IS ONE OF THE RICHEST VERTEBRATE LOCALITIES IN TEXAS FOR THE SAN ANGELO FORMATION. |
| Deposit | OLSON (1962, P. 98, 102, 114-116) IS REFERENCE. HE MEASURED 19-32 FT OF UPPER SAN ANGELO IN WHICH MANY VERTEBRATES, PLANT REMAINS, AND SOME COPPER WERE FOUND ON DRIVER RANCH. THE QUARRY WAS NAMED AFTER JACK KAHN WHO DISCOVERED THE FOSSILS IN 1956. ABOUT 18 FT OF OVERBURDEN WAS REMOVED. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAY-93 | Fay, Robert O. | Oklahoma Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.