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:
Penryn District, Placer Co., California, USA

mindat Locality ID: 209354
mindat URL: http://www.mindat.org/loc-209354.html

Tectonic Settings:

Total number of sublocalities beneath "Penryn District, Placer Co., California, USA": 16
Total number of bottom-level sublocalities: 15

Number of Child Localities: 1
Child Localities:
Penryn (Stewart's Flat)

Latitude: 38°51'0"N
Longitude: 121°9'18"W
Decimal Degree (lat, lon): 38.85,-121.155

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.

Acanthite	Chalcopyrite	Copper	None	Pyrite	Quartz	Rocksalt	Sphalerite

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 Cl Cu Fe O Pb S Si Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Acanthite Chalcopyrite Copper None Pyrite Quartz Rocksalt Sphalerite

9 IMA Minerals at location:

Acanthite ()*	Chalcopyrite ()*	Chlorargyrite ()*	Galena ()*	Gold ()*
Pyrite ()*	Quartz ()*	Silver ()*	Sphalerite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Acanthite ()*	Acanthite	Ag₂S	1	167614	2793
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	167614	27198
Chlorargyrite ()*	Rocksalt	AgCl	1	167618	1382
Galena ()*	Rocksalt	PbS	3	167614,167617,167618	24243
Gold ()*	Copper	Au	7	167614,167615,167617,167618,167621,167623,167628	30554
Pyrite ()*	Pyrite	FeS₂	3	167614,167617,167618	39462
Quartz ()*	Quartz	SiO₂	3	167614,167618,167623	61156
Silver ()*	Copper	Ag	1	167618	5186
Sphalerite ()*	Sphalerite	ZnS	1	167617	21482

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...