Mineral Evolution Database

Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.

Mineral locality data provided by mindat.org

The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.

Locality Name:
Ruby Basin District, Lawrence Co., South Dakota, USA

Oldest recorded age at locality: 55
Youngest recorded age at locality: 40

mindat Locality ID: 44895
mindat URL: http://www.mindat.org/loc-44895.html

Tectonic Settings:

Total number of sublocalities beneath "Ruby Basin District, Lawrence Co., South Dakota, USA": 27
Total number of bottom-level sublocalities: 27

Number of Child Localities: 27
Child Localities:
Alpha-Platus Mine (Golden Reward Group)
Astoria Shaft
Big Bonanza Mine
Boscobel Mine (Golden Reward Group; Double Standard Mine)
Buxton Mine
Clinton Mine (Lundberg; Dorr; And Willson)
Clinton Ruby Basin
Daisy Mine
Dark Horse And General Grant
Fannie Mine (Maggie Mine)
Gladstone
Golden Reward Mine (Double Standard Mine)
Great Mogul Mine
Hardscrabble Mine
Harmony Mine
Isadorah Mine (Billie Mine; Rock Bluff Claim; Golden Reward Group)
Little Tornado
Lundberg; Dorr And Wilson (Big Bonanza; Buxton; Clinton And Retriever Mines)
Mogul Mine (Great Mogul Mine; Welcome Mine)
National Gold And Silver Company Mine
Retriever Mine (Rebecca Claim)
Ruby Belle Mine
South Golden Reward Mine
Stewart Mine (Steward Mine)
Sundance Mine
Tornado Mine (Golden Reward Group)
Upper Welcome Mine (Ben Hur; Welcome Mine; Horseshoe Mine; Mogul-Horseshoe Company)

Latitude: 44°19'51"N
Longitude: 103°48'39"W
Decimal Degree (lat, lon): 44.330833333333,-103.81083333333

A	This mineral is Anthropogenic.
G	This mineral is directly dated.
B	This mineral is reported as having this age.
Y	This mineral is using an age reported as an element mineralization period.
O	This mineral is using an age calculated from all data at the locality.
R	The age displayed for this mineral originates from a different, non-child locality.
P	The age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
	This mineral's age has not yet been recorded.

Alunite	Aragonite	Baryte	Copper	Fluorite	Gypsum	Melonite	None	Quartz	Stibnite

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Ag Au Ba C Ca F Fe H K Mg Na O S Sb Si Te

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Alunite Aragonite Baryte Copper Fluorite Gypsum Melonite None Quartz Stibnite

13 IMA Minerals at location:

Aragonite ()*	Baryte ()*	Dolomite ()*	Emmonsite ()*	Fluorite ()*
Gold ()*	Gypsum ()*	Jarosite ()*	Natrojarosite ()*	Quartz ()*
Silver ()*	Stibnite ()*	Sylvanite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Aragonite ()*	Aragonite	Ca(CO₃)			1	265750	3250
Baryte ()*	Baryte	Ba(SO₄)			1	265742	11547
Dolomite ()*	None	CaMg(CO₃)₂			4	265742,265750,265762,265764	9895
Emmonsite ()*	None	Fe³⁺₂(Te⁴⁺O₃)₃·2H₂O			1	265744	34
Fluorite ()*	Fluorite	CaF₂			2	265742,265752	9617
Gold ()*	Copper	Au	55	40	22	265739,265741,265742,265743,265744,265746,265747,265748,265750,265752,265753,265754,265756,265757,265758,265759,265760,265761,265762,265763,265764,265765	30554
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O			1	265742	6890
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆			2	265743,265751	2228
Natrojarosite ()*	Alunite	NaFe³⁺₃(SO₄)₂(OH)₆			1	265743	254
Quartz ()*	Quartz	SiO₂			3	265743,265750,265765	61156
Silver ()*	Copper	Ag	55	40	22	265739,265741,265742,265743,265744,265746,265747,265748,265750,265752,265753,265754,265756,265757,265758,265759,265760,265761,265762,265763,265764,265765	5186
Stibnite ()*	Stibnite	Sb₂S₃			1	265750	3418
Sylvanite ()*	Melonite	AgAuTe₄			1	265750	337

3 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Sample Num	MinDat Locality ID	Dated Locality (Max Age)	Reference	Reference ID
NAVDAT-4722	55	40	47+8/-7	4722	121686	Astoria Shaft, Ruby Basin District, Lawrence Co., South Dakota, USA	NAVDAT	NAVDAT
NAVDAT-4724	55	40	47+8/-7	4724	121686	Astoria Shaft, Ruby Basin District, Lawrence Co., South Dakota, USA	NAVDAT	NAVDAT
NAVDAT-4725	55	40	47+8/-7	4725	121808	National Gold And Silver Company Mine, Ruby Basin District, Lawrence Co., South Dakota, USA	NAVDAT	NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...