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Elk Creek locality, Dalzell, Meade Co., South Dakota, USA
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List of minerals arranged by Dana 8th Edition classification
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Marcasite2.12.2.1FeS2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O
Group 50 - ORGANIC COMPOUNDS
Oxalates
Whewellite50.1.1.1Ca(C2O4) · H2O


5 entries listed. 5 valid minerals.

References

- Campbell, T.J. , Campbell, D.R. and Roberts, W.L. (1987). Famous mineral localities: Elk Creek, South Dakota. Mineralogical Record. 18: 125-130.

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