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:
Cachuma District, San Rafael Mts, Santa Barbara Co., California, USA

Oldest recorded age at locality: 165
Youngest recorded age at locality: 165

mindat Locality ID: 64793
mindat URL: http://www.mindat.org/loc-64793.html

Tectonic Settings:

Total number of sublocalities beneath "Cachuma District, San Rafael Mts, Santa Barbara Co., California, USA": 37
Total number of bottom-level sublocalities: 32

Number of Child Localities: 5
Child Localities:
Cachuma Village
Davis Prospect
Eagle Deposit
Joe Grano Zinc Claims (Grano Zinc Claims)
Lion Den Mine

Latitude: 34°44'25"N
Longitude: 119°57'1"W
Decimal Degree (lat, lon): 34.740277777778,-119.95027777778

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.

Aragonite	Calcite	Chalcopyrite	Clay	Kaolinite	Melanterite	None	Not in a structural group	Pyrite	Pyroxene
Quartz	Spinel

Antlerite ()*	Aragonite ()*	Boothite ()*	Chalcopyrite ()*	Chromite ()*
Cinnabar ()*	Dickite ()*	Enstatite ()*	Hydromagnesite ()*	Magnesiochromite ()*
Magnesite ()*	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: Al C Ca Cr Cu Fe H Hg Mg O S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Aragonite Calcite Chalcopyrite Clay Kaolinite Melanterite None Not in a structural group Pyrite Pyroxene
Quartz Spinel

13 IMA Minerals at location:

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
Antlerite ()*	Not in a structural group	Cu²⁺₃(SO₄)(OH)₄			1	175922	246
Aragonite ()*	Aragonite	Ca(CO₃)			1	175933	3250
Boothite ()*	Melanterite	Cu(SO₄)·7H₂O			1	175931	18
Chalcopyrite ()*	Chalcopyrite	CuFeS₂			1	175922	27198
Chromite ()*	Spinel	Fe²⁺Cr₂O₄			6	175921,175928,175933,175937,175941,175943	3902
Cinnabar ()*	None	HgS			5	175935,175942,175946,175952,175955	2600
Dickite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄			1	175946	651
Enstatite ()*	Pyroxene	Mg₂Si₂O₆			1	175926	944
Hydromagnesite ()*	None	Mg₅(CO₃)₄(OH)₂·4H₂O			1	175932	341
Magnesiochromite ()*	Spinel	MgCr₂O₄	165	165	6	175920,175923,175938,175940,175944,175953	311
Magnesite ()*	Calcite	Mg(CO₃)			1	175934	1487
Pyrite ()*	Pyrite	FeS₂			1	175922	39462
Quartz ()*	Quartz	SiO₂			2	175922,175947	61156

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-00017	165	165	Middle Jurassic (165.57±0.38 CA-TIMS, zircon in plagiogranite)										Cr	92104	Bacon Mine (Bacon Deposit; O'Donnell And Burns Mining Company; O'Donnell And Byrne Mine; O.B. Mine; O And B Mine), Cachuma Village, Cachuma District, San Rafael Mts, Santa Barbara Co., California, USA	Bacon	Moiser et al. (2012)		USGSSIR2012_5157

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...