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:
Camp Meeker, Coast Range, Sonoma Co., California, USA

Oldest recorded age at locality: 164
Youngest recorded age at locality: 164

mindat Locality ID: 212340
mindat URL: http://www.mindat.org/loc-212340.html

Tectonic Settings:

Total number of sublocalities beneath "Camp Meeker, Coast Range, Sonoma Co., California, USA": 7
Total number of bottom-level sublocalities: 7

Number of Child Localities: 7
Child Localities:
Baldrini Prospect
Gaver Prospect
Meeker Ocher Deposit
Sonoma Chrome Inc. Deposit (Meeker Chrome Mine)
Unnamed Cr Occurrence (3)
Unnamed Cr Occurrence (5)
Unnamed Zoisite Occurrence (2)

Latitude: 38°26'1"N
Longitude: 122°57'36"W
Decimal Degree (lat, lon): 38.433611111111,-122.96

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.

Amphibole	Epidote	Garnet	Lawsonite	None	Spinel

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 Ca Cr Fe H Mg Na O Si

Elements from minerals reported directly at this locality: Al Ca Fe H Mg Na O Si

Structural Groups for minerals in this locality:
Amphibole Epidote Garnet Lawsonite None Spinel

6 IMA Minerals at location:

Actinolite ()*	Almandine ()*	Chromite ()*	Glaucophane ()*	Lawsonite ()*
Zoisite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂	164	164	0		3419
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	164	164	0		2353
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	164	164	2	180208,180210	3902
Glaucophane ()*	Amphibole	Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂	164	164	0		286
Lawsonite ()*	Lawsonite	CaAl₂(Si₂O₇)(OH)₂·H₂O	164	164	0		121
Zoisite ()*	Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)			1	180213	1025

1 Ages assigned to this locality:

	Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Run Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
	podchrome-00344	164	164	Middle Jurassic (161-168 Ma)										Cr	95768	Sonoma Chrome Inc. Deposit (Meeker Chrome Mine), Camp Meeker, Coast Range, Sonoma Co., California, USA	Sonoma Chrome	Moiser et al. (2012)		USGSSIR2012_5157

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...