Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Monroe Knold Mine, Montgomery County, Arkansas, USAi
Regional Level Types
Monroe Knold MineMine
Montgomery CountyCounty
ArkansasState
USACountry

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PhotosMapsSearch
Latitude & Longitude (WGS84):
34° 23' 42'' North , 93° 44' 49'' West
Latitude & Longitude (decimal):
34.39512,-93.74710
GeoHash:
G#: 9yj7dtrqn
GRN:
N23W56
Type:
Mine
Köppen climate type:
Cfa : Humid subtropical climate
Nearest Settlements:
PlacePopulationDistance
Norman359 (2017)9.0km
Daisy110 (2017)17.5km
Kirby786 (2017)18.8km
Glenwood2,141 (2017)19.6km
Mount Ida1,025 (2017)20.7km
Mindat Locality ID:
16477
Long-form identifier:
mindat:1:2:16477:2
GUID (UUID V4):
0


A manganese mine in fractured Arkansas Novaculite, shale replacement or cemented gravels. Located in SW Montgomery Co. Started 1886 and reopened 1915-1917 & again 1956-1959.

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


List of minerals for each chemical element

Other Databases

Link to USGS MRDS:10187494

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate
USA

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.

References

Rocks & Min.: 63: 113.
Stroud, et al (1969).
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