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:
Green Valley, Sierra Pelona Mts (Sierra Pelona Range), Los Angeles Co., California, USA

mindat Locality ID: 218713
mindat URL: http://www.mindat.org/loc-218713.html

Tectonic Settings:

Total number of sublocalities beneath "Green Valley, Sierra Pelona Mts (Sierra Pelona Range), Los Angeles Co., California, USA": 49
Total number of bottom-level sublocalities: 42

Number of Child Localities: 33
Child Localities:
A. P. Schwarz
Allen Deposit
Bouquet Canyon
Clearwater Group
Commack Talc Deposit
Dabney Talc Prospect
Del Sur Ridge
Desert Stone Quarry No. 1 (Jones Quarry)
Double Eagle Prospect (Gray Eagle Mine)
El Segando Placer Mine
George Shaffner Locality
Gladwin And Peet Claim
Gladys Prospect
Golden Rock Mine
Gross Talc Mine
Helman Deposit
Herman Gurley Stone Occurrence
Hoffman Mine
Iron Mack Mine
Joslin Prospect
Lost Canyon Placer Prospect (Goldy B; Canyon; Texas Canyon; Cruzan)
Matt H. Colville Property
Mitchell Quarry
Perry Mine
Peterson Property
Poteet Quarry
Poteet Quarry Area
Prince Mines
Robert O. Hathcock Property
San Francisquito Canyon
Texas Canyon
Unnamed Magnesite Occurrence
Williams Quarry

Latitude: 34°33'40"N
Longitude: 118°24'35"W
Decimal Degree (lat, lon): 34.561111111111,-118.40972222222

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.

Beryl	Calcite	Clay	Clinozoisite	Copper	Epidote	Feldspar	Mica	None	Quartz
Rhodonite	Rocksalt	Rutile	Serpentine	Spinel	Talc

Albite ()*	Antigorite ()*	Chromite ()*	Clinozoisite ()*	Cordierite ()*
Galena ()*	Graphite ()*	Magnesite ()*	Muscovite ()*	Pyrolusite ()*
Quartz ()*	Rhodonite ()*	Silver ()*	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: Ag Al C Ca Cr Fe H K Mg Mn Na O Pb S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Beryl Calcite Clay Clinozoisite Copper Epidote Feldspar Mica None Quartz
Rhodonite Rocksalt Rutile Serpentine Spinel Talc

14 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	1	161842	8803
Antigorite ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	1	161875	708
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	1	161838	3902
Clinozoisite ()*	Clinozoisite Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	2	161842,161854	1025
Cordierite ()*	Beryl	Mg₂Al₄Si₅O₁₈	1	161839	1008
Galena ()*	Rocksalt	PbS	1	161843	24243
Graphite ()*	None	C	3	161848,161862,161879	2812
Magnesite ()*	Calcite	Mg(CO₃)	2	161876,161882	1487
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	161839	17380
Pyrolusite ()*	Rutile	MnO₂	1	161881	3106
Quartz ()*	Quartz	SiO₂	1	161843	61156
Rhodonite ()*	Rhodonite	CaMn₃Mn(Si₅O₁₅)	1	161881	969
Silver ()*	Copper	Ag	1	161843	5186
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	5	161839,161840,161850,161851,161861	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...