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:
Pactola District, Pennington Co., South Dakota, USA

mindat Locality ID: 236556
mindat URL: http://www.mindat.org/loc-236556.html

Tectonic Settings:

Total number of sublocalities beneath "Pactola District, Pennington Co., South Dakota, USA": 4
Total number of bottom-level sublocalities: 4

Number of Child Localities: 4
Child Localities:
Copper Glance (Uranium Lode; Poisoned Ox Group)
Dexter Claim (Ashley & Nyswanger)
Pactola Dam
Poisoned Ox Group (Uranium Lode; Copper Glance)

Latitude: 44°4'22"N
Longitude: 103°28'37"W
Decimal Degree (lat, lon): 44.072777777778,-103.47694444444

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.

Autunite	Copper	Malachite	None	Not in a structural group	Pyrite	Quartz	Rocksalt

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 As Au C Cu Fe H O Pb S Si U

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Autunite Copper Malachite None Not in a structural group Pyrite Quartz Rocksalt

9 IMA Minerals at location:

Azurite ()*	Copper ()*	Galena ()*	Gold ()*	Malachite ()*
Pyrite ()*	Quartz ()*	Silver ()*	Zeunerite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	1	266145	5509
Copper ()*	Copper	Cu	1	266143	3846
Galena ()*	Rocksalt	PbS	1	266143	24243
Gold ()*	Copper	Au	1	266143	30554
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	2	266142,266145	12537
Pyrite ()*	Pyrite	FeS₂	1	266142	39462
Quartz ()*	Quartz	SiO₂	1	266143	61156
Silver ()*	Copper	Ag	1	266143	5186
Zeunerite ()*	Autunite	Cu(UO₂)₂(AsO₄)₂·12H₂O	1	266145	185

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...