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:
Diablo Range, Alameda Co., California, USA

Oldest recorded age at locality: 161
Youngest recorded age at locality: 161

mindat Locality ID: 209694
mindat URL: http://www.mindat.org/loc-209694.html

Tectonic Settings:

Total number of sublocalities beneath "Diablo Range, Alameda Co., California, USA": 122
Total number of bottom-level sublocalities: 96

Number of Child Localities: 15
Child Localities:
Altamont
Arroyo Mocho
Brightside
Callahan Gulch
Cedar Mountain District
Eden Canyon
Livermore District (Tesla District)
Maguire Peaks
Mission Peak
Mount Oso Area
Oakland Hills (San Leandro Hills)
Pleasanton
Ramage Peak
Sunol
Unnamed Albite Occurrence [1]

Latitude: 37°37'47"N
Longitude: 121°49'26"W
Decimal Degree (lat, lon): 37.629722222222,-121.82388888889

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.

Allophane	Amphibole	Aragonite	Baryte	Calcite	Chalcanthite	Chalcopyrite	Chlorite	Clay	Copiapite
Copper	Corundum	Epsomite	Feldspar	Garnet	Gypsum	Halotrichite	Hexahydrite	Lawsonite	Melanterite
None	Not in a structural group	Pyrite	Quartz	Rhodonite	Roselite	Rutile	Römerite	Serpentine	Sphalerite
Spinel	Stibnite	Talc

Albite ()*	Alunogen ()*	Antigorite ()*	Aragonite ()*	Baryte ()*
Bementite ()*	Boothite ()*	Bornite ()*	Calcite ()*	Chalcanthite ()*
Chalcocite ()*	Chalcopyrite ()*	Chromite ()*	Chrysotile ()*	Clinochlore ()*
Copiapite ()*	Copper ()*	Epsomite ()*	Glaucophane ()*	Gypsum ()*
Halotrichite ()*	Hematite ()*	Hexahydrite ()*	Hydromagnesite ()*	Kröhnkite ()*
Lawsonite ()*	Magnesiochromite ()*	Magnesite ()*	Melanterite ()*	Neotocite ()*
Nesquehonite ()*	Pentahydrite ()*	Pyrite ()*	Pyrolusite ()*	Quartz ()*
Rhodochrosite ()*	Rhodonite ()*	Römerite ()*	Sphalerite ()*	Stibnite ()*
Talc ()*	Uvarovite ()*

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 Ba C Ca Cr Cu Fe H Mg Mn Na O S Sb Si Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Allophane Amphibole Aragonite Baryte Calcite Chalcanthite Chalcopyrite Chlorite Clay Copiapite
Copper Corundum Epsomite Feldspar Garnet Gypsum Halotrichite Hexahydrite Lawsonite Melanterite
None Not in a structural group Pyrite Quartz Rhodonite Roselite Rutile Römerite Serpentine Sphalerite
Spinel Stibnite Talc

42 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
Albite ()*	Feldspar	Na(AlSi₃O₈)	161	161	5	150389,150395,150444,150489,150493	8803
Alunogen ()*	Not in a structural group	Al₂(SO₄)₃(H₂O)₁₂·5H₂O			2	150476,150477	272
Antigorite ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	161	161	1	150395	708
Aragonite ()*	Aragonite	Ca(CO₃)			2	150378,150426	3250
Baryte ()*	Baryte	Ba(SO₄)			1	150475	11547
Bementite ()*	Clay	Mn₇Si₆O₁₅(OH)₈			1	150442	173
Boothite ()*	Melanterite	Cu(SO₄)·7H₂O			2	150476,150477	18
Bornite ()*	None	Cu₅FeS₄			1	150477	5516
Calcite ()*	Calcite	Ca(CO₃)			4	150378,150425,150433,150444	27770
Chalcanthite ()*	Chalcanthite	Cu(SO₄)·5H₂O			2	150476,150477	925
Chalcocite ()*	None	Cu₂S			1	150477	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂			2	150476,150477	27198
Chromite ()*	Spinel	Fe²⁺Cr₂O₄			7	150394,150397,150399,150400,150406,150407,150449	3902
Chrysotile ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	161	161	2	150395,150474	951
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	161	161	3	150389,150395,150449	1756
Copiapite ()*	Copiapite	Fe²⁺Fe³⁺₄(SO₄)₆(OH)₂·20H₂O			2	150476,150477	382
Copper ()*	Copper	Cu			2	150476,150477	3846
Epsomite ()*	Epsomite	Mg(SO₄)·7H₂O			2	150476,150477	484
Glaucophane ()*	Amphibole	Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂			3	150432,150436,150458	286
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O			1	150433	6890
Halotrichite ()*	Halotrichite	Fe²⁺Al₂(SO₄)₄·22H₂O			3	150424,150476,150477	409
Hematite ()*	Corundum	Fe₂O₃			2	150476,150477	14640
Hexahydrite ()*	Hexahydrite	Mg(SO₄)·6H₂O			2	150476,150477	251
Hydromagnesite ()*	None	Mg₅(CO₃)₄(OH)₂·4H₂O			5	150378,150408,150409,150423,150479	341
Kröhnkite ()*	Roselite	Na₂Cu(SO₄)₂·2H₂O			2	150476,150477	27
Lawsonite ()*	Lawsonite	CaAl₂(Si₂O₇)(OH)₂·H₂O			2	150383,150458	121
Magnesiochromite ()*	Spinel	MgCr₂O₄	161	161	4	150389,150390,150391,150395	311
Magnesite ()*	Calcite	Mg(CO₃)			7	150386,150388,150398,150402,150413,150418,150439	1487
Melanterite ()*	Melanterite	Fe(SO₄)·7H₂O			1	150476	915
Neotocite ()*	Allophane	(Mn,Fe)SiO₃·H₂O (?)			1	150447	186
Nesquehonite ()*	None	Mg(CO₃)·3H₂O			1	150377	80
Pentahydrite ()*	Chalcanthite	Mg(SO₄)·5H₂O			1	150476	32
Pyrite ()*	Pyrite	FeS₂			3	150473,150476,150477	39462
Pyrolusite ()*	Rutile	MnO₂			10	150374,150378,150396,150428,150431,150432,150434,150441,150442,150452	3106
Quartz ()*	Quartz	SiO₂	161	161	10	150389,150395,150396,150428,150430,150431,150436,150442,150443,150489	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)			6	150416,150422,150429,150432,150442,150447	1711
Rhodonite ()*	Rhodonite	CaMn₃Mn(Si₅O₁₅)			2	150428,150434	969
Römerite ()*	Römerite	Fe²⁺Fe³⁺₂(SO₄)₄·14H₂O			2	150476,150477	115
Sphalerite ()*	Sphalerite	ZnS			1	150477	21482
Stibnite ()*	Stibnite	Sb₂S₃			1	150469	3418
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂			1	150488	3337
Uvarovite ()*	Garnet	Ca₃Cr₂(SiO₄)₃	161	161	2	150389,150395	212

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-00001	161	161	Middle Jurassic										Cr	73398	Mendenhall No. 1 Mine (Cedar Mountain Mine; Mendenhall Chrome Mines; Mendenhall Mine; Newman Mine), Cedar Mountain, Cedar Mountain District, Diablo Range, Alameda Co., California, USA	Newman	Moiser et al. (2012)		USGSSIR2012_5157

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...