| Deposit ID | 10040367 |
|---|---|
| MRDS ID | M055093 |
| MAS/MILS ID | 50610004 |
| Record type | Site |
| Current site name | Rock Fence Prospect |
| Alternate or previous names | Rock Fence Mine |
| Related records | 10138406 |
| Point of reference | Pit |
|---|---|
| Geographic coordinates: | -93.83278, 34.14912 (WGS84) |
| Elevation | 171 |
| Location accuracy | 50(meters) |
| Relative position | 7 MI NW OF MURFREESBORO. "Mine" symbol on topo. |
Political divisions (FIPS codes)
Howard(county)
Arkansas(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Center Point NE(quadrangle 1:24,000 scale)
Arkadelphia(quadrangle 1:100,000 scale)
Little Rock(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Little Missouri(hydrologic unit)
Upper Ouachita(hydrologic accounting unit)
Lower Red-Ouachita(hydrologic subregion)
Lower Mississippi(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Arkansas | Howard |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| 5th Principal | 007S | 027W | 13 | SW NE NW | Arkansas |
| Commodity | Importance |
|---|---|
| Mercury | Primary |
| Materials | Type of material |
|---|---|
| Cinnabar | Ore |
| Dickite | Gangue |
| Quartz | Gangue |
| Host or associated | Host | ||||
|---|---|---|---|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Sandstone | ||||
| Rock unit name | Gap Ridge Sandstone Member, Sandstone | ||||
| Rock description | Gap Ridge Sandstone Member, Sandstone | ||||
| |||||
| Pit (1) | -93.83278, 34.14912 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Thrust Faults, N-S Tear Faults, And Two Fold Systems ; Reg.Trends: Thrust Faults From S In Late Paleozoic |
| Operation type | Surface |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Arkansas Quicksilver District |
|---|
| Ownership category | Private |
|---|
| Type | Owner |
|---|---|
| Owner | Z.A. Copeland |
| Year | 1965 |
| Type | Operator |
|---|---|
| Owner | C. Q. Schow, C. E. Holmes |
| Type | Owner |
|---|---|
| Owner | J. B. Floyd, Z.A. Copeland |
| Type of workings | Unknown |
|---|---|
| Overall length | 15.24M |
| Overall width | 0.76M |
| Type of workings | Surface |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M055093 | |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 50610004 | = newMRDS 10138406, merged and deleted. |
Reed and Wells, 1938, USGS BULL. 886-C
BAILEY, E.H., USGS, PERSONAL FILES
Chester, 1965, USBM IC-8252, P. 85.
THOENEN, ARK MINERAL BOOK
BROWN, W.F., ET AL., 1955, MINERAL RESOURCES OF ARK IN RED RIVER BASIN.
Clardy, B.F., and Bush, W.V., 1976, Mercury district of southwest Arkansas: Arkansas Geological Commission Information Circular 23, 57 p.
| Subject category | Comment text |
|---|---|
| Deposit | CINNABAR IS DISSEMINATED IN SANDSTONE AND CONCENTRATED ALONG FAULT PLANES. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 1973-09-01 | Bergquist, Joel R. | U.S. Geological Survey | |
| Editor | 2012-11-16 | Wilson, Anna B | U.S. Geological Survey | merged and deleted duplicate record 10138406 |
| Reporter | 1983-11-17 | Reynolds | U.S. Bureau of Mines | MAS 0050610004 = 10138406 |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.