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:
San Bernardino Mts, San Bernardino Co., California, USA

Oldest recorded age at locality: 250
Youngest recorded age at locality: 65

mindat Locality ID: 29090
mindat URL: http://www.mindat.org/loc-29090.html

Tectonic Settings:

Total number of sublocalities beneath "San Bernardino Mts, San Bernardino Co., California, USA": 301
Total number of bottom-level sublocalities: 260

Number of Child Localities: 23
Child Localities:
Alray
Angeles Oaks
Baldwin Lake District
Bear Valley District
Blackhawk District (Silver Reef District)
Blue Jay
Cajon
Cajon Pass
Cushenbury
Devore Heights
Forest Falls (Fallsvale; Fallsville; Forest Home)
Holcomb Valley District
Keenbrook
Morongo District (Lone Valley District)
Morongo Valley
Mount Marie Louise
Mountain Home Village
San Bernardino Mountains Foothills
San Bernardino Peak
Seven Oaks
Snow Peak
Summit
Unspecified Fe Occurrence [1]

Latitude: 34°13'59"N
Longitude: 117°2'46"W
Decimal Degree (lat, lon): 34.233055555556,-117.04611111111

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.

Allanite	Amphibole	Apatite	Aragonite	Axinite	Baryte	Bismutite	Calcite	Chalcopyrite	Clay
Clinozoisite	Copper	Corundum	Epidote	Feldspar	Fluorite	Garnet	Malachite	Melilite	Mica
Molybdenite	None	Not in a structural group	Phenakite	Pyrite	Quartz	Rhodonite	Rocksalt	Rutile	Scheelite
Sphalerite	Spinel	Stibnite	Talc	Wollastonite	Wurtzite	Zircon

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 Au B Ba Bi Br C Ca Cd Ce Cl Cu F Fe H Hg K Mg Mn Mo O P Pb S Si Th Ti U W Zn

Elements from minerals reported directly at this locality: O Ti

Structural Groups for minerals in this locality:
Allanite Amphibole Apatite Aragonite Axinite Baryte Bismutite Calcite Chalcopyrite Clay
Clinozoisite Copper Corundum Epidote Feldspar Fluorite Garnet Malachite Melilite Mica
Molybdenite None Not in a structural group Phenakite Pyrite Quartz Rhodonite Rocksalt Rutile Scheelite
Sphalerite Spinel Stibnite Talc Wollastonite Wurtzite Zircon

55 IMA Minerals at location:

Actinolite ()*	Allanite-(Ce) ()*	Almandine ()*	Andradite ()*	Aragonite ()*
Axinite-(Mn) ()*	Baryte ()*	Bismuthinite ()*	Bismutite ()*	Bromargyrite ()*
Calcite ()*	Cerussite ()*	Chalcopyrite ()*	Chlorargyrite ()*	Cinnabar ()*
Clinozoisite ()*	Colemanite ()*	Copper ()*	Cuprite ()*	Dolomite ()*
Epidote ()*	Fluorapatite ()*	Franklinite ()*	Galena ()*	Gold ()*
Graphite ()*	Greenockite ()*	Grossular ()*	Hardystonite ()*	Hematite ()*
Hetaerolite ()*	Magnesite ()*	Magnetite ()*	Malachite ()*	Microcline ()*
Molybdenite ()*	Muscovite ()*	Orthoclase ()*	Phlogopite ()*	Piemontite ()*
Pyrite ()*	Quartz ()*	Rhodonite ()*	Rutile ()*	Scheelite ()*
Sphalerite ()*	Spinel ()*	Talc ()*	Thorite ()*	Tremolite ()*
Uraninite ()*	Willemite ()*	Wollastonite ()*	Wulfenite ()*	Zincite ()*

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			1	173493	3419
Allanite-(Ce) ()*	Allanite Epidote	CaCe(Al₂Fe²⁺)[Si₂O₇][SiO₄]O(OH)			1	173509	706
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃			1	173504	2353
Andradite ()*	Garnet	Ca₃Fe³⁺₂(SiO₄)₃			1	173406	1534
Aragonite ()*	Aragonite	Ca(CO₃)			1	173444	3250
Axinite-(Mn) ()*	Axinite	Ca₄Mn²⁺₂Al₄[B₂Si₈O₃₀](OH)₂			1	173414	88
Baryte ()*	Baryte	Ba(SO₄)			1	173561	11547
Bismuthinite ()*	Stibnite	Bi₂S₃			1	173562	1935
Bismutite ()*	Bismutite	Bi₂O₂(CO₃)			1	173562	716
Bromargyrite ()*	Rocksalt	AgBr			1	173467	227
Calcite ()*	Calcite	Ca(CO₃)			7	173356,173359,173388,173406,173414,173476,173504	27770
Cerussite ()*	Aragonite	Pb(CO₃)			5	173388,173445,173472,173475,173556	4979
Chalcopyrite ()*	Chalcopyrite	CuFeS₂			2	173391,173475	27198
Chlorargyrite ()*	Rocksalt	AgCl			2	173465,173467	1382
Cinnabar ()*	None	HgS			1	173377	2600
Clinozoisite ()*	Clinozoisite Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)			1	173489	1025
Colemanite ()*	None	CaB₃O₄(OH)₃·H₂O			1	173598	144
Copper ()*	Copper	Cu			1	173406	3846
Cuprite ()*	Not in a structural group	Cu₂O			2	173356,173359	2970
Dolomite ()*	None	CaMg(CO₃)₂			2	173380,173476	9895
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)			5	173320,173336,173406,173504,173562	8173
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F			1	173414	2740
Franklinite ()*	Spinel	ZnFe³⁺₂O₄			1	173406	52
Galena ()*	Rocksalt	PbS			9	173356,173359,173361,173395,173472,173475,173543,173555,173556	24243
Gold ()*	Copper	Au			36	173325,173326,173327,173328,173329,173352,173356,173357,173359,173360,173362,173368,173372,173387,173389,173391,173409,173415,173419,173427,173428,173435,173449,173450,173456,173457,173458,173512,173513,173514,173515,173516,173519,173521,173522,173526	30554
Graphite ()*	None	C			5	173370,173374,173376,173379,173382	2812
Greenockite ()*	Wurtzite	CdS			1	173601	717
Grossular ()*	Garnet	Ca₃Al₂(SiO₄)₃			1	173406	1544
Hardystonite ()*	Melilite	Ca₂ZnSi₂O₇			1	173406	14
Hematite ()*	Corundum	Fe₂O₃			6	173356,173359,173406,173472,173476,173613	14640
Hetaerolite ()*	Spinel	ZnMn³⁺₂O₄			1	173406	73
Magnesite ()*	Calcite	Mg(CO₃)			1	173380	1487
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄			4	173406,173504,173508,173509	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂			2	173356,173359	12537
Microcline ()*	Feldspar	K(AlSi₃O₈)			1	173406	4924
Molybdenite ()*	Molybdenite	MoS₂			1	173336	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂			2	173490,173504	17380
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	250	65	3	173504,173605,173606	2349
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂			1	173582	2273
Piemontite ()*	Epidote	Ca₂(Al₂Mn³⁺)[Si₂O₇][SiO₄]O(OH)			1	173490	260
Pyrite ()*	Pyrite	FeS₂			4	173391,173395,173475,173504	39462
Quartz ()*	Quartz	SiO₂			41	173324,173325,173326,173327,173328,173329,173351,173356,173357,173359,173362,173372,173373,173387,173388,173389,173391,173406,173415,173419,173421,173428,173435,173450,173456,173457,173458,173473,173476,173504,173512,173514,173516,173521,173522,173548,173555,173560,173562,173601,173613	61156
Rhodonite ()*	Rhodonite	CaMn₃Mn(Si₅O₁₅)			2	173316,173491	969
Rutile ()*	Rutile	TiO₂	250	65	0		5614
Scheelite ()*	Scheelite	Ca(WO₄)			8	173340,173360,173504,173543,173548,173560,173561,173562	4894
Sphalerite ()*	Sphalerite	ZnS			2	173395,173475	21482
Spinel ()*	Spinel	MgAl₂O₄			1	173546	1934
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂			1	173501	3337
Thorite ()*	Zircon	Th(SiO₄)			2	173508,173509	1006
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂			2	173426,173427	2562
Uraninite ()*	Fluorite	UO₂			1	173395	2718
Willemite ()*	Phenakite	Zn₂SiO₄			2	173406,173414	303
Wollastonite ()*	Wollastonite	CaSiO₃			2	173406,173414	1247
Wulfenite ()*	Scheelite	PbMoO₄			2	173465,173480	1655
Zincite ()*	Wurtzite	ZnO			1	173406	98

3 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Sample Source	Dated Mineral	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
Jen_0001547	250	65	65–250		brannerite	Brannerite	218941	Unnamed Feldspar Occurrence [6], Seven Oaks, San Bernardino Mts, San Bernardino Co., California, USA	San Bernardino Mountains	Lumpkin et al. (2012)	10.1016/j.chemgeo.2011.09.008	CG291_55
Jen_0001548	150	150	150		euxinite		218941	Unnamed Feldspar Occurrence [6], Seven Oaks, San Bernardino Mts, San Bernardino Co., California, USA	San Bernardino Mountains	Lumpkin et al. (2012)	10.1016/j.chemgeo.2011.09.008	CG291_55	age is debated due to possible metamorphic alteration and textural similarities
Jen_0001549	220	220	220	U-Th-Pb	brannerite	Brannerite	218941	Unnamed Feldspar Occurrence [6], Seven Oaks, San Bernardino Mts, San Bernardino Co., California, USA	San Bernardino Mountains	Lumpkin et al. (2012)	10.1016/j.chemgeo.2011.09.008	CG291_55

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...