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:
Diamond - Bullion - Alaska Mine Group (Consolidated Bullion Mine; Diamond Claim; Bullion Claim; Alaska Claim; Union Jack Claim; Galena Claim; Ione Claim; Big Diamond Vein; Galena-Bullion Vein; Alaska Vein), La Barr Meadows, Grass Valley District, Nevada Co., California, USA

mindat Locality ID: 267971
mindat URL: http://www.mindat.org/loc-267971.html

Tectonic Settings:

Total number of sublocalities beneath "Diamond - Bullion - Alaska Mine Group (Consolidated Bullion Mine; Diamond Claim; Bullion Claim; Alaska Claim; Union Jack Claim; Galena Claim; Ione Claim; Big Diamond Vein; Galena-Bullion Vein; Alaska Vein), La Barr Meadows, Grass Valley District, Nevada Co., California, USA": 4
Total number of bottom-level sublocalities: 4

Number of Child Localities: 4
Child Localities:
Alaska Mine
Bullion Consolidated Mine (Bullion Con; Bullion Mine; La Bruja; Union Jack Mine; Smuggler Mine)
Diamond Mine
Galena And Bullion Vein

Latitude: 39°11'7"N
Longitude: 121°2'49"W
Decimal Degree (lat, lon): 39.185277777778,-121.04694444444

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.

Calcite	Chalcopyrite	Clay	Copper	Mica	None	Pyrite	Quartz	Rocksalt	Scheelite
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: Al Au C Ca Cu Fe H K O Pb S Si W Zn

Elements from minerals reported directly at this locality: Al C Ca Cu Fe H K Mg O S Si Zn

Structural Groups for minerals in this locality:
Calcite Chalcopyrite Clay Copper Mica None Pyrite Quartz Rocksalt Scheelite
Sphalerite

10 IMA Minerals at location:

Ankerite ()*	Calcite ()*	Chalcopyrite ()*	Galena ()*	Gold ()*
Muscovite ()*	Pyrite ()*	Quartz ()*	Scheelite ()*	Sphalerite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	0		3092
Calcite ()*	Calcite	Ca(CO₃)	0		27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	0		27198
Galena ()*	Rocksalt	PbS	1	165629	24243
Gold ()*	Copper	Au	3	165628,165629,165630	30554
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	0		17380
Pyrite ()*	Pyrite	FeS₂	1	165629	39462
Quartz ()*	Quartz	SiO₂	3	165628,165629,165630	61156
Scheelite ()*	Scheelite	Ca(WO₄)	1	165629	4894
Sphalerite ()*	Sphalerite	ZnS	0		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...