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:
Oro Y Plata Mine (Oro-Plata Extension Mine; Red Wing Willard Mine; Pay Rock Mine; Silver Star Mine; Blue Wing Mine), Murphys, Murphys District (Esmeralda District; Sperry District), East Belt, Calaveras Co., California, USA

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

mindat Locality ID: 75727
mindat URL: http://www.mindat.org/loc-75727.html

Tectonic Settings:

Total number of sublocalities beneath "Oro Y Plata Mine (Oro-Plata Extension Mine; Red Wing Willard Mine; Pay Rock Mine; Silver Star Mine; Blue Wing Mine), Murphys, Murphys District (Esmeralda District; Sperry District), East Belt, Calaveras Co., California, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 38°8'45"N
Longitude: 120°28'5"W
Decimal Degree (lat, lon): 38.145833333333,-120.46805555556

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.

Copper	None	Rocksalt	Stibnite	Tetrahedrite

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 Ca Cu Hg Mg O Pb S Sb

Elements from minerals reported directly at this locality: Au C Ca Cu Hg Mg O Pb S Sb Zn

Structural Groups for minerals in this locality:
Copper None Rocksalt Stibnite Tetrahedrite

6 IMA Minerals at location:

Cinnabar ()*	Dolomite ()*	Galena ()*	Gold ()*	Stibnite ()*
Tetrahedrite-(Zn) ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Cinnabar ()*	None	HgS	100	100	2600
Dolomite ()*	None	CaMg(CO₃)₂	100	100	9895
Galena ()*	Rocksalt	PbS	100	100	24243
Gold ()*	Copper	Au	100	100	30554
Stibnite ()*	Stibnite	Sb₂S₃	100	100	3418
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	100	100	5317

1 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

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...