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:
Grizzly Bear House, Placer Co., California, USA

mindat Locality ID: 209987
mindat URL: http://www.mindat.org/loc-209987.html

Tectonic Settings:

Total number of sublocalities beneath "Grizzly Bear House, Placer Co., California, USA": 29
Total number of bottom-level sublocalities: 29

Number of Child Localities: 29
Child Localities:
American River Gold Mining Company (American River Gold Mng Co)
Bazacoo Mine
Buckeye Bar Occurrence
Carlson Mine
Christmas Hill Mine
Continential Mine
Dewey Prospect
El Dorado And Placer Gold Mining And Power Company
Gold Point Placer Mine
Green Point Mercury And Uranium Prospect
Green Point Occurrence
International Mine (Cons. Intl. [Consolidated International]; International Quartz Mine)
Lakeview Mine
Mack Mine
Mammoth Bar (Pacific Gold Dredging Company Property)
Monarch Development Company Ltd. Mine (Monarch Gratz Brothers Mine)
North Star Mine [1]
Perkins Placer Mine
Poverty Bar Placer
Red Deer Placer Mine
Red Hill
Unidentified Au Mine [22]
Unidentified Au Shaft [23]
Unnamed Au Mine [82] (Dredged Area)
Unnamed Au Occurrence [45]
Unnamed Au Occurrence [46]
Unnamed Au Occurrence [69]
Unnamed Stone Deposit [2]
Whiteman And Mather Placer Mine

Latitude: 38°56'50"N
Longitude: 120°58'17"W
Decimal Degree (lat, lon): 38.947222222222,-120.97138888889

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	Pyrite	Quartz

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 Fe O Pt S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Copper None Pyrite Quartz

4 IMA Minerals at location:

Gold ()*	Platinum ()*	Pyrite ()*	Quartz ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Gold ()*	Copper	Au	15	167144,167146,167147,167148,167149,167150,167151,167154,167157,167158,167159,167160,167162,167166,167171	30554
Platinum ()*	Copper	Pt	1	167157	485
Pyrite ()*	Pyrite	FeS₂	1	167155	39462
Quartz ()*	Quartz	SiO₂	8	167144,167147,167148,167149,167154,167155,167158,167159	61156

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...