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Elk Creek locality, Dalzell, Meade Co., South Dakota, USA

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
A_mB_nX_p, with (m+n):p = 1:2
Marcasite	2.12.2.1	FeS₂
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO₃)
Calcite	14.1.1.1	CaCO₃
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO₄
Baryte	28.3.1.1	BaSO₄
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO₄·xH₂O
Gypsum	29.6.3.1	CaSO₄ · 2H₂O
Group 50 - ORGANIC COMPOUNDS
Oxalates
Whewellite	50.1.1.1	Ca(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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