Log In
Rock Fence Mine, Southwest Arkansas Mercury Mining District, Howard County, Arkansas, USAi
| Regional Level Types | |
|---|---|
| Rock Fence Mine | Mine |
| Southwest Arkansas Mercury Mining District | Mining District |
| Howard County | County |
| Arkansas | State |
| USA | Country |
This page is currently not sponsored. Click here to sponsor this page.
Latitude & Longitude (WGS84):
34° 8' 56'' North , 93° 49' 58'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Daisy | 110 (2017) | 12.9km |
| Murfreesboro | 1,580 (2017) | 16.3km |
| Dierks | 1,092 (2017) | 17.2km |
| Kirby | 786 (2017) | 20.9km |
| Nashville | 4,479 (2017) | 22.7km |
A mercury mine located 2 miles South of, & ½ mile West of the Pike Co. line, in Howard Co. Started & worked in the period 1932-1933. Explored further in the late 1960's. Ore is fracture fillings in Gap Ridge Sandstone. Workings feature pits, trenches & shallow shafts.
Structure: Thrust Faults, N-S Tear Faults, And Two Fold Systems ; Reg.Trends: Thrust Faults From S In Late Paleozoic
Alteration: Sandstone Is Locally Silicified.
Deposit: Cinnabar is disseminated in sandstone and concentrated along fault planes.
Geology: Geol.desc: sandstone beds range from 6 in to 24 in thickness. Thin shale interbeds. Strike N 70 e, dip 90. Walls of stope are slickensided. Sandstone is locally brecciated.
Rock formation(s): Gap Ridge Sandstone Member, Sandstone
Ore(s): Faults In Sandstone And Sharp Folds
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
7 valid minerals.
Detailed Mineral List:
| ⓘ Baryte Formula: BaSO4 References: |
| ⓘ Cinnabar Formula: HgS References: |
| ⓘ Dickite Formula: Al2(Si2O5)(OH)4 References: |
| ⓘ Goethite Formula: Fe3+O(OH) References: |
| ⓘ Metacinnabar Formula: HgS References: |
| ⓘ Quartz Formula: SiO2 References: |
| ⓘ Siderite Formula: FeCO3 References: |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Metacinnabar | 2.CB.05a | HgS |
| ⓘ | Cinnabar | 2.CD.15a | HgS |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Goethite | 4.00. | Fe3+O(OH) |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Siderite | 5.AB.05 | FeCO3 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Baryte | 7.AD.35 | BaSO4 |
| Group 9 - Silicates | |||
| ⓘ | Dickite | 9.ED.05 | Al2(Si2O5)(OH)4 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Dickite | Al2(Si2O5)(OH)4 |
| H | ⓘ Goethite | Fe3+O(OH) |
| C | Carbon | |
| C | ⓘ Siderite | FeCO3 |
| O | Oxygen | |
| O | ⓘ Baryte | BaSO4 |
| O | ⓘ Dickite | Al2(Si2O5)(OH)4 |
| O | ⓘ Goethite | Fe3+O(OH) |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Siderite | FeCO3 |
| Al | Aluminium | |
| Al | ⓘ Dickite | Al2(Si2O5)(OH)4 |
| Si | Silicon | |
| Si | ⓘ Dickite | Al2(Si2O5)(OH)4 |
| Si | ⓘ Quartz | SiO2 |
| S | Sulfur | |
| S | ⓘ Baryte | BaSO4 |
| S | ⓘ Cinnabar | HgS |
| S | ⓘ Metacinnabar | HgS |
| Fe | Iron | |
| Fe | ⓘ Goethite | Fe3+O(OH) |
| Fe | ⓘ Siderite | FeCO3 |
| Ba | Barium | |
| Ba | ⓘ Baryte | BaSO4 |
| Hg | Mercury | |
| Hg | ⓘ Cinnabar | HgS |
| Hg | ⓘ Metacinnabar | HgS |
Other Databases
| Link to USGS MRDS: | 10040367 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Arkoma Basin–Ouachita Thrust BeltBasin
- Sabine DomainDomain
- Sabine TerraneVolcanic Arc
This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to
visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders
for access and that you are aware of all safety precautions necessary.
