| Deposit ID | 10103773 |
|---|---|
| MRDS ID | M055055 |
| MAS/MILS ID | 51090035 |
| Record type | Site |
| Current site name | Gap Ridge Mine |
| Related records | 10138645 |
| Geographic coordinates: | -93.74056, 34.16056 (WGS84) |
|---|---|
| Elevation | 189 |
| Relative position | 4.5 MI NNW OF MURFREESBORO |
Political divisions (FIPS codes)
Pike(county)
Arkansas(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Narrows Dam(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)
Federal lands
Corps of Engineers(Branch)
Branch USACE(Type of land area)
USACE(Federal land areas administered by USACE)
| Country | State | County |
|---|---|---|
| United States | Arkansas | Pike |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| 5th Principal | 007S | 026W | 11 | SW NE | Arkansas |
| Commodity | Importance |
|---|---|
| Mercury | Primary |
| Antimony Critical | Secondary |
| Silver | Secondary |
| Arsenic Critical | Secondary |
| Zinc Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Calomel | Ore |
| Cinnabar | Ore |
| Metacinnabar | Ore |
| Sphalerite | Ore |
| Stibiconite | Ore |
| Dickite | Gangue |
| Goethite | Gangue |
| Pyrite | Gangue |
| Quartz | Gangue |
| Siderite | Gangue |
| Stibnite | Unknown |
| Result | ONLY TRACES OF AS AND AG OCCUR. ORE AVERAGED 11.2 TO 12 LB HG PER TON |
|---|
| Host or associated | Host | ||||
|---|---|---|---|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Sandstone | ||||
| Rock unit name | Gap Ridge Sandstone Member Of Stanley Shale. Penn. Sandstone | ||||
| Rock description | Gap Ridge Sandstone Member Of Stanley Shale. Penn. Sandstone | ||||
| |||||
| (1) | -93.74056, 34.16056 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | Thrust Faults And Close Folds |
| Type of structure | Regional |
| Structure description | Steep Regional S Dip To Carboniferous Formations. Overthrust Block Cut By Ne Tear Faults, Bedding Plane Faults, And N-S Faults With West Side Moving Relatively North, Two Types Of Small Folds Formed By E-W Compression. ; Reg.Trends: Thrust Faulting From S In Late Paleozoic. |
| General form | TABULAR |
|---|---|
| Strike | N 8 E |
| Dip | 65 TO 70 W |
| Operation type | Surface-Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1931 |
| District name | Arkansas Quicksilver District |
|---|
| Type | Owner |
|---|---|
| Owner | Arkansas Quicksilver Mines, Inc. |
| First year | 1941 |
| Type | Owner |
|---|---|
| Owner | G.J. Parker |
| Home office | "Fee owner" |
| Year | 1938 |
| Type | Unknown |
|---|---|
| Owner | Southwestern Quicksilver Co. |
| Year | 1938 |
| Type | Unknown |
|---|---|
| Owner | Leo Yount |
| Year | 1942 |
| Type of workings | Underground |
|---|---|
| Overall depth | 79.25M |
| Overall length | 16.76M |
| Overall width | 1.83M |
| Type of workings | Surface/Underground |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M055055 | |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 51090035 | = newMRDS 10138645, merged and deleted. |
Reed and Wells, 1938, USGS BULL. 886-C
Gallagher, 1942, USGS BULL. 936-H
BAILEY, E.H., USGS, PERSONAL FILES
DIREXPL U.S. BUREAU MINES, DRILLIN
USBM DATA
Chester, 1965, USBM IC-8252.
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 | INDIVIDUAL SHOOTS ARE RICHER IN ORE ON SOUTH SIDES WHERE FAULT DISPLACEMENTS ARE LARGEST AND WHERE ROCK IS BRECCIATED. THE ORE BODY IS CUT OFF AT 230 FT BY A FAULT WHICH STRIKES NE AND DIPS 25 NW. MAY BE A PRE-ORE FAULT. THE TABULAR ORE BODIES ARE APPROX. 80 BY 8 BY 230 FT in a stope. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 1973-09-01 | Bergquist, Joel R. | U.S. Geological Survey | |
| Editor | 2012-11-15 | Wilson, Anna B | U.S. Geological Survey | merged and deleted duplicate record 10138645 |
| Reporter | 1980-05-20 | Rlw | U.S. Bureau of Mines | MAS 0051090035 = 10138645 |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.