West Gap Ridge

Occurrence in Pike county in Arkansas, United States with commodity Mercury

Geologic information

Identification information

Deposit ID 10040365
MRDS ID M055090
MAS/MILS ID 51090071
Record type Site
Current site name West Gap Ridge
Alternate or previous names Ridge West of Gap Ridge
Related records 10283956

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -93.744, 34.161 (WGS84)
Elevation 189
Location accuracy 250(meters)
Relative position ON RIDGE WEST OF GAP RIDGE 6 MI NW OF MURFREESBORO
(click for info)

Geographic areas

Country State County
United States Arkansas Pike

Public Land Survey System information

Meridian Township Range Section Fraction State
5th Principal 007S 026W 11 SE NW Arkansas

Comments on the location information

  • Location from Clardy and Bush (1976, #9 on plate)

Commodities

Commodity Importance
Mercury Tertiary

Materials information

Materials Type of material
Cinnabar Ore
Dickite Gangue
Quartz Gangue

Alteration

  • (Local) Argillic Alteration

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name Gap Ridge Sandstone Penn. Sandstone
    Rock description Gap Ridge Sandstone Penn. Sandstone
    Stratigraphic age (youngest) Pennsylvanian
    Stratigraphic age (youngest) Pennsylvanian

Nearby scientific data

Main Entrance (1) -93.744, 34.161

Geologic structures

Type Description Terms
Local Thrust Faults, Close Folds
Regional Thrust Faults, N-S Tear Faults, And Two Fold Systems ; Reg.Trends: Thrust Faults From S In Late Paleozoic

Controls for ore emplacement

  • Faults In Sandstone And Sharp Folds

Comments on the geologic information

  • GEOL.DESC: TWO SETS OF FRACTURES OCCUR, ONE TRENDING N 20 E DIP 41 NW THE OTHER TRENDING N 5 W DIP 62 E. SANDSTONE BEDS STRIKE N 75 E DIP 83 S AND N 80 W DIP 78 S.

Economic information

Economic information about the deposit and operations

Operation type Underground
Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery method Ore-Mineral In Place

Mining district

District name Arkansas Quicksilver District

Ownership information

  • Type Operator
    Owner Mercury Mining Co.

Comments on the production information

  • NO PRODUCTION DATA

Workings at the site

  • Type of workings Underground
    Length 25.91M
  • Type of workings Underground

Comments on the workings information

  • WORKINGS IN 1937 CONSISTED OF AN 85 FT. TUNNEL

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS M055090
U.S. Bureau of Mines Minerals Availability System MAS 51090071 = newMRDS 10283956, merged and deleted.

Bibliographic references

  • Deposit

    Reed and Wells, 1938, USGS BULL. 886-C

  • Deposit

    BAILEY, E.H., USGS, PERSONAL FILES

  • Deposit

    Clardy, B.F., and Bush, W.V., 1976, Mercury district of southwest Arkansas: Arkansas Geological Commission Information Circular 23, 57 p.

Reporter information

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 10283956
Reporter 1980-05-20 Rlw U.S. Bureau of Mines MAS 0051090071 = 10283956