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:
Spearfish, Carbonate District, Lawrence Co., South Dakota, USA


mindat Locality ID: 48157
mindat URL: http://www.mindat.org/loc-48157.html

Tectonic Settings:

Total number of sublocalities beneath "Spearfish, Carbonate District, Lawrence Co., South Dakota, USA": 5
Total number of bottom-level sublocalities: 5

Number of Child Localities: 5
Child Localities:
Adelphi Mine
Iron Hill Mine (Richmond Hill; Richmond Hill Manganese; Utica Lode)
Seabury-Calkins Mine
Segregated Iron Hill Mine
Spanish R. Mine (Richmond Claim)

Latitude: 44°23'59"N
Longitude: 103°50'59"W
Decimal Degree (lat, lon): 44.399722222222,-103.84972222222

AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe 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.

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 Ca Cl Cu F H Mo O P Pb S Sb Si V 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
ApatiteAragoniteAtacamiteCopperMatlockiteNoneQuartzRocksaltRutileScheelite

16 IMA Minerals at location:
Aragonite  (*)Atacamite  (*)Cerussite  (*)Chlorargyrite  (*)Galena  (*)
Gold  (*)Leadhillite  (*)Matlockite  (*)Mimetite  (*)Plattnerite  (*)
Pyrargyrite  (*)Pyromorphite  (*)Quartz  (*)Silver  (*)Vanadinite  (*)
Wulfenite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Aragonite  (*)AragoniteCa(CO3)12655043250
Atacamite  (*)AtacamiteCu2Cl(OH)31265504544
Cerussite  (*)AragonitePb(CO3)4265503,265504,265505,2655074979
Chlorargyrite  (*)RocksaltAgCl5265503,265504,265505,265506,2655071382
Galena  (*)RocksaltPbS4265503,265504,265505,26550724243
Gold  (*)CopperAu3265504,265506,26550730554
Leadhillite  (*)NonePb4(SO4)(CO3)2(OH)21265504265
Matlockite  (*)MatlockitePbClF126550429
Mimetite  (*)ApatitePb5(AsO4)3Cl12655041107
Plattnerite  (*)RutilePbO21265504158
Pyrargyrite  (*)NoneAg3SbS312655041425
Pyromorphite  (*)ApatitePb5(PO4)3Cl12655041725
Quartz  (*)QuartzSiO25265503,265504,265505,265506,26550761156
Silver  (*)CopperAg2265506,2655075186
Vanadinite  (*)ApatitePb5(VO4)3Cl1265504605
Wulfenite  (*)ScheelitePbMoO412655041655



No ages have been assigned to this locality yet.

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