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:
Brandon Corner, Shingle Springs District, West Belt, El Dorado Co., California, USA

mindat Locality ID: 264350
mindat URL: http://www.mindat.org/loc-264350.html

Tectonic Settings:

Total number of sublocalities beneath "Brandon Corner, Shingle Springs District, West Belt, El Dorado Co., California, USA": 18
Total number of bottom-level sublocalities: 18

Number of Child Localities: 18
Child Localities:
Bernard Property (Bernard Cinnabar Mine; Bernard Claim; Amador Mine; Amador Quicksilver Mine)
Black Lead Occurrence
Bonetti Prospect
Brandon Mine (Richardson Mine)
Brandon Mine [1]
Brandon Mine [2]
Brandon Mine [4]
Brandon Richardson Mine (Brandon Mine [3])
Bugtown Mine
Calaveras Mine
Forni Mine
Immer Chrome Prospect
Little Valley Mine
Pacific Minerals Mine (Swift)
Pfeiffer Mine
Roscoe Mine
Schleifer Mine
Sugar Loaf Mine

Latitude: 38°34'33"N
Longitude: 120°55'16"W
Decimal Degree (lat, lon): 38.575833333333,-120.92111111111

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.

Chlorite	Clay	Copper	None	Pyrite	Quartz	Rocksalt	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: Al Au Cr Fe H Hg Mg O Pb S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Chlorite Clay Copper None Pyrite Quartz Rocksalt Spinel Talc

8 IMA Minerals at location:

Chromite ()*	Cinnabar ()*	Clinochlore ()*	Galena ()*	Gold ()*
Pyrite ()*	Quartz ()*	Talc ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	4	155378,155382,155386,155390	3902
Cinnabar ()*	None	HgS	1	155376	2600
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	1	155382	1756
Galena ()*	Rocksalt	PbS	1	155393	24243
Gold ()*	Copper	Au	4	155380,155391,155392,155393	30554
Pyrite ()*	Pyrite	FeS₂	3	155376,155392,155393	39462
Quartz ()*	Quartz	SiO₂	5	155380,155388,155391,155392,155393	61156
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	3	155379,155383,155393	3337

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...