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Post Boy Mine, Zinc Mining District, Marion County, Arkansas, USAi
Regional Level Types
Post Boy MineMine
Zinc Mining DistrictMining District
Marion CountyCounty
ArkansasState
USACountry

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PhotosMapsSearch
Latitude & Longitude (WGS84):
36° 17' 45'' North , 92° 53' 30'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Zinc104 (2017)2.3km
Pyatt216 (2017)7.0km
Bergman448 (2017)10.6km
South Lead Hill102 (2017)11.1km
Lead Hill274 (2017)13.9km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Ozark Earth Science Gem, Mineral & Fossil ClubMountain Home, Arkansas46km
Mindat Locality ID:
18918
Long-form identifier:
mindat:1:2:18918:8
GUID (UUID V4):
38228b15-cfcd-4c5d-9f81-d1a53ef237f1


A zinc mine located in western Marion Co. Operated during WWI. Ore is in fractured Everton Dolomite.
Alteration: Solution Cavities Made By Weathering Of Sphalerite Crystals

Deposit: The upper surface of these deposits may represent the lower ground water level at the time of deposition, if they are classic mississippi valley-type deposits cavities are up to an inch or more in diameter & have sphalerite crystal-face impressions the st. Joe beds crop out below the cut, showing that the mineralization is not confined to the beds As much As 100 feet lower, but instead that it must have taken place at a relatively horizontal horizon without respect to the formations present. ; info.src : 1 pub lit

Geology: Hemimorphite lines most of the small cavities within the rock containing sphalerite and is generally disseminated through the spongy, siliceous cream-colored rock.

Rock formation(s): St. Joe Marble


Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

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


Mineral List


4 valid minerals.

Detailed Mineral List:

Galena
Formula: PbS
Hemimorphite
Formula: Zn4Si2O7(OH)2 · H2O
Smithsonite
Formula: ZnCO3
Sphalerite
Formula: ZnS

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Sphalerite2.CB.05aZnS
Galena2.CD.10PbS
Group 5 - Nitrates and Carbonates
Smithsonite5.AB.05ZnCO3
Group 9 - Silicates
Hemimorphite9.BD.10Zn4Si2O7(OH)2 · H2O

List of minerals for each chemical element

HHydrogen
H HemimorphiteZn4Si2O7(OH)2 · H2O
CCarbon
C SmithsoniteZnCO3
OOxygen
O HemimorphiteZn4Si2O7(OH)2 · H2O
O SmithsoniteZnCO3
SiSilicon
Si HemimorphiteZn4Si2O7(OH)2 · H2O
SSulfur
S GalenaPbS
S SphaleriteZnS
ZnZinc
Zn HemimorphiteZn4Si2O7(OH)2 · H2O
Zn SmithsoniteZnCO3
Zn SphaleriteZnS
PbLead
Pb GalenaPbS

Other Databases

Link to USGS MRDS:10096598

Other Regions, Features and Areas containing this locality


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

 
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