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:
Big Blue Group (North Extension Sumner; Jeff Davis; Bull Run; Beauregard; Urbana; Frank; Content; Big Blue-Sumner; Glue Gouge), Wofford Heights, Cove District, Kern Co., California, USA

mindat Locality ID: 28266
mindat URL: http://www.mindat.org/loc-28266.html

Tectonic Settings:

Total number of sublocalities beneath "Big Blue Group (North Extension Sumner; Jeff Davis; Bull Run; Beauregard; Urbana; Frank; Content; Big Blue-Sumner; Glue Gouge), Wofford Heights, Cove District, Kern Co., California, USA": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Lady Belle Mine (Lady Belle Claim; Boston Belle Claim)
Nellie Dent And Contact Mine
Red Hill Mine (North Sumner Gold Mines)

Latitude: 35°43'33"N
Longitude: 118°26'16"W
Decimal Degree (lat, lon): 35.725833333333,-118.43777777778

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.

Chalcopyrite	Copper	Marcasite	Molybdenite	Nickeline	None	Rocksalt	Sphalerite	Stibnite

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 Bi Cu Fe Mo Pb S Sb Zn

Elements from minerals reported directly at this locality: Bi Cu Fe Mo Pb S Sb Zn

Structural Groups for minerals in this locality:
Chalcopyrite Copper Marcasite Molybdenite Nickeline None Rocksalt Sphalerite Stibnite

9 IMA Minerals at location:

Bismuthinite ()*	Chalcopyrite ()*	Galena ()*	Gold ()*	Marcasite ()*
Molybdenite ()*	Pyrrhotite ()*	Sphalerite ()*	Stibnite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Bismuthinite ()*	Stibnite	Bi₂S₃	0		1935
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	0		27198
Galena ()*	Rocksalt	PbS	0		24243
Gold ()*	Copper	Au	3	159338,159339,159340	30554
Marcasite ()*	Marcasite	FeS₂	0		5674
Molybdenite ()*	Molybdenite	MoS₂	0		5800
Pyrrhotite ()*	Nickeline	Fe₇S₈	0		9056
Sphalerite ()*	Sphalerite	ZnS	0		21482
Stibnite ()*	Stibnite	Sb₂S₃	0		3418

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...