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Volga, Clayton County, Iowa, USAi
Regional Level Types
VolgaVillage
Clayton CountyCounty
IowaState
USACountry

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04923570017272073224604.jpg
Pyrite

Volga River, Volga, Clayton County, Iowa, USA
04923570017272073224604.jpg
Pyrite

Volga River, Volga, Clayton County, Iowa, USA
07975920017272073223201.jpg
Pyrite

Volga River, Volga, Clayton County, Iowa, USA
Latitude & Longitude (WGS84):
42° 48' 16'' North , 91° 32' 27'' West
Latitude & Longitude (decimal):
42.80471,-91.54098
GeoHash:
G#: 9zwgsbmgk
GRN:
N29W49
Type:
Village
Köppen climate type:
Dfa : Hot-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Volga205 (2017)0.0km
Wadena253 (2017)10.3km
Arlington410 (2017)12.3km
Elkader1,213 (2017)12.3km
Strawberry Point1,236 (2017)13.5km
Mindat Locality ID:
255773
Long-form identifier:
mindat:1:2:255773:4
GUID (UUID V4):
0


Deposit: Brown (1974) locality 18. Phosphorite, .4' 21.2% p205. Cadastral location: s W 1/4 s W 1/4 sec. 3, t. 92 n., r. 6 w. ; info.src : cobb cadastral location: t. 91 n, r. 1 and 2 w. ; info.src : cobb

Geology: Mineralization occupies vertical joints in central part of the galena dolomite. Fluorite and sphalerite disseminated in phosphatic shale and phosphorite in crystal vugs in bottom layer on pitted galena dolomite surface; phosphorite above this unit .4' thick.

Rock formation(s): Maquoketa Shale


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Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

7 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

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Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Calcite
Formula: CaCO3
ⓘ Dolomite
Formula: CaMg(CO3)2
ⓘ Fluorite
Formula: CaF2
ⓘ Gold
Formula: Au
ⓘ Marcasite
Formula: FeS2
ⓘ 'Petroleum var. Bitumen'
ⓘ Pyrite
Formula: FeS2
ⓘ Sphalerite
Formula: ZnS

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘGold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
ⓘSphalerite2.CB.05aZnS
ⓘPyrite2.EB.05aFeS2
ⓘMarcasite2.EB.10aFeS2
Group 3 - Halides
ⓘFluorite3.AB.25CaF2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘDolomite5.AB.10CaMg(CO3)2
Unclassified
ⓘ'Petroleum
var. Bitumen'		-

List of minerals for each chemical element

CCarbon
Cⓘ CalciteCaCO3
Cⓘ DolomiteCaMg(CO3)2
OOxygen
Oⓘ CalciteCaCO3
Oⓘ DolomiteCaMg(CO3)2
FFluorine
Fⓘ FluoriteCaF2
MgMagnesium
Mgⓘ DolomiteCaMg(CO3)2
SSulfur
Sⓘ MarcasiteFeS2
Sⓘ PyriteFeS2
Sⓘ SphaleriteZnS
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ DolomiteCaMg(CO3)2
Caⓘ FluoriteCaF2
FeIron
Feⓘ MarcasiteFeS2
Feⓘ PyriteFeS2
ZnZinc
Znⓘ SphaleriteZnS
AuGold
Auⓘ GoldAu

Other Databases

Link to USGS MRDS:10100289

Localities in this Region

USA

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

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

Brown, C.E., (1966), Phosphate Deposits in the Basal Beds of the Maquoqueta Shale near Dubuque, Iowa, in Geological Survey Research 1966: U.S. Geological Survey Professional Paper 550-b, P. B152-b158.
Brown, C. Ervin (1967) Fluorite in crystal-lined vugs in the Maquoketa Shale at Volga, Clayton County, Iowa. American Mineralogist, 52 (11-12) 1735-1750
Worl, R. G., Van Alstine, R. E., and Heyl, A. V., (1974), Fluorite in the United States, Exclusive of Hawaii: U.S. Geological Survey Map Mr-60, Scale L:3,168,000.
Brown, C. E., (1974), Phosphatic Zone in the Lower Part of the Maquoketa Shale in Northeast Iowa: U.S. Geological Survey Journal of Research, V. 2, No. 2, P. 219-232.
Heyl, Allen V., West, Walter S. (1982) Outlying mineral occurrences related to the Upper Mississippi Valley mineral district, Wisconsin, Iowa, Illinois, and Minnesota. Economic Geology, 77 (8) 1803-1817 doi:10.2113/gsecongeo.77.8.1803
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