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:
Two Bit District, Lawrence Co., South Dakota, USA

mindat Locality ID: 27178
mindat URL: http://www.mindat.org/loc-27178.html

Tectonic Settings:

Total number of sublocalities beneath "Two Bit District, Lawrence Co., South Dakota, USA": 13
Total number of bottom-level sublocalities: 12

Number of Child Localities: 12
Child Localities:
B. R. Smith Group
Comstock Mine (Yellow Jacket; S. R. Smith; Claim:Two Bit No. 1 And No. 2)
Deadman Mt.
Deadwood-Heidelberg Mine (Mascot Mining Company)
Gold Mountain Mining Company (Black Diamond - Gold Mountain Group)
Hardin Properties
Mary Group Mine (Union; Power; Power No. 2; Smith; Mary Claims)
Monarch Mine
Moulton Mine (Hardin Properties Mine)
Two Big Mine
Whitewood Creek
Yellow Jacket Mine

Latitude: 44°21'0"N
Longitude: 103°40'45"W
Decimal Degree (lat, lon): 44.35,-103.67916666667

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.

Aragonite	Calcite	Columbite	Copper	Corundum	Diaspore	Marcasite	None	Pyrite	Quartz
Rutile	Titanite

Ankerite ()*	Calcite ()*	Cerussite ()*	Goethite ()*	Gold ()*
Hematite ()*	Hübnerite ()*	Manganite ()*	Marcasite ()*	Pyrite ()*
Pyrolusite ()*	Quartz ()*	Siderite ()*	Silver ()*	Titanite ()*

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 C Ca Fe H Mn O Pb S Si Ti W

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Aragonite Calcite Columbite Copper Corundum Diaspore Marcasite None Pyrite Quartz
Rutile Titanite

15 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	1	265852	3092
Calcite ()*	Calcite	Ca(CO₃)	1	265852	27770
Cerussite ()*	Aragonite	Pb(CO₃)	1	265853	4979
Goethite ()*	Diaspore	FeO(OH)	1	265852	7437
Gold ()*	Copper	Au	5	265845,265846,265849,265850,265853	30554
Hematite ()*	Corundum	Fe₂O₃	2	265850,265852	14640
Hübnerite ()*	Columbite	Mn²⁺(WO₄)	3	265842,265844,265848	469
Manganite ()*	Rutile	Mn³⁺O(OH)	1	265842	770
Marcasite ()*	Marcasite	FeS₂	1	265852	5674
Pyrite ()*	Pyrite	FeS₂	1	265850	39462
Pyrolusite ()*	Rutile	MnO₂	1	265842	3106
Quartz ()*	Quartz	SiO₂	3	265842,265844,265852	61156
Siderite ()*	Calcite	Fe(CO₃)	1	265852	6417
Silver ()*	Copper	Ag	2	265846,265849	5186
Titanite ()*	Titanite	CaTi(SiO₄)O	1	265842	4899

No ages have been assigned to this locality yet.

All locality data graciously provided by mindat.org

All age data...