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:
Soapstone Hill, Murphys, Murphys District (Esmeralda District; Sperry District), East Belt, Calaveras Co., California, USA

Oldest recorded age at locality: 300
Youngest recorded age at locality: 100

mindat Locality ID: 259422
mindat URL: http://www.mindat.org/loc-259422.html

Tectonic Settings:

Total number of sublocalities beneath "Soapstone Hill, Murphys, Murphys District (Esmeralda District; Sperry District), East Belt, Calaveras Co., California, USA": 27
Total number of bottom-level sublocalities: 27

Number of Child Localities: 27
Child Localities:
Beatrice Claim (Mayflower)
Buckhorn Consolidated Mine (Red Gold; Buckhorn-Miralda; Miralda)
Charles P. Snyder Property
Crown Point Mine (Buckeye; Garfield Properties; Old Mexican And Black McGann)
Dragone Mine (Dragone Lode; Arizona)
Eureka Mine [1]
Fair Play Mine
Falcon Mine (Carley; Louisa)
Garfield Mine
Great Divide Mine
Guerin Occurrence
Hidden Treasure Mine [1] (Manhattan And Tunnel Lode Claims)
Highland Mary Mine
Last Chance And Great Divide Mine (Last Chance Claim; Great Divide Claim)
Manhattan Mine
McQuig Mine (Dodson & McQuig)
Mitchler Group
Ponderosa Prospect
San Domingo And Rainbow Occurrence (San Domingo & Rainbow Domenich Dragone & A. S. Ponte)
Single Standard Mine
Sugar Pine Mine
Treasure Vault Mine
Unknown Cr Prospect [11]
Unknown Cu Prospect [8]
Unnamed Au Mines [7]
Unnamed Cu Mine [14]
Valenti Claim

Latitude: 38°8'34"N
Longitude: 120°30'1"W
Decimal Degree (lat, lon): 38.142777777778,-120.50027777778

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.

Clay	Copper	None	Not in a structural group	Pyrite	Quartz	Rocksalt	Serpentine	Spinel	Talc

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: Au C Cr Cu Fe H Mg O Pb S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Clay Copper None Not in a structural group Pyrite Quartz Rocksalt Serpentine Spinel Talc

10 IMA Minerals at location:

Antigorite ()*	Azurite ()*	Bornite ()*	Chromite ()*	Galena ()*
Gold ()*	Magnetite ()*	Pyrite ()*	Quartz ()*	Talc ()*

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
Antigorite ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	100	100	2	152417,152422	708
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	100	100	1	152423	5509
Bornite ()*	None	Cu₅FeS₄	100	100	1	152423	5516
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	300	100	2	152422,152426	3902
Galena ()*	Rocksalt	PbS	100	100	1	152415	24243
Gold ()*	Copper	Au	100	100	18	152400,152401,152403,152404,152405,152406,152407,152408,152409,152411,152412,152413,152415,152416,152419,152420,152421,152424	30554
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	100	100	1	152417	14899
Pyrite ()*	Pyrite	FeS₂	100	100	1	152415	39462
Quartz ()*	Quartz	SiO₂	100	100	17	152400,152403,152404,152405,152406,152407,152408,152409,152411,152412,152413,152415,152416,152419,152420,152421,152424	61156
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	100	100	1	152402	3337

2 Ages assigned to this locality:

	Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Run Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
	Mo-00156	100	100								Yes		Molybdenite	Mo	16293	Calaveras Co., California, USA	Calaveras County	Brock (1972)	10.1130/0016-7606(1972)83[3391:GOGHSC]2.0.CO;2	GSAB83_3391
	podchrome-00083	300	300	Upper Paleozoic										Cr	76160	Valenti Claim, Soapstone Hill, Murphys, Murphys District (Esmeralda District; Sperry District), East Belt, Calaveras Co., California, USA	Valenti Claim	Moiser et al. (2012)		USGSSIR2012_5157

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...