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:
Mount Diablo Mine (Mt. Diablo Mine; Diablo Mine; Ryne Mine), Mount Diablo (Mt Diablo), Clayton, Diablo Range, Contra Costa Co., California, USA

Oldest recorded age at locality: 5.3
Youngest recorded age at locality: 0

mindat Locality ID: 3511
mindat URL: http://www.mindat.org/loc-3511.html

Tectonic Settings:

Total number of sublocalities beneath "Mount Diablo Mine (Mt. Diablo Mine; Diablo Mine; Ryne Mine), Mount Diablo (Mt Diablo), Clayton, Diablo Range, Contra Costa Co., California, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 37°52'54"N
Longitude: 121°54'46"W
Decimal Degree (lat, lon): 37.881666666667,-121.91277777778

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.

Calcite	Chalcanthite	Clay	Copiapite	Coquimbite	Cristobalite	Epsomite	Halotrichite	Marcasite	Melanterite
Mica	Millerite	None	Not in a structural group	Pyrite	Pyrochlore	Römerite	Sphalerite	Stibnite	Voltaite

Alunogen ()*	Calcite ()*	Cinnabar ()*	Copiapite ()*	Coquimbite ()*
Cristobalite ()*	Epsomite ()*	Halotrichite ()*	Hypercinnabar ()*	Kornelite ()*
Marcasite ()*	Melanterite ()*	Metacinnabar ()*	Millerite ()*	Morenosite ()*
Muscovite ()*	Pyrite ()*	Römerite ()*	Schuetteite ()*	Siderotil ()*
Stibiconite ()*	Stibnite ()*	Valentinite ()*	Voltaite ()*

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 Cu Fe H Hg K Mg Ni O S Sb Si

Elements from minerals reported directly at this locality: Al C Ca Fe H Hg K Mg Ni O S Sb Si

Structural Groups for minerals in this locality:
Calcite Chalcanthite Clay Copiapite Coquimbite Cristobalite Epsomite Halotrichite Marcasite Melanterite
Mica Millerite None Not in a structural group Pyrite Pyrochlore Römerite Sphalerite Stibnite Voltaite

24 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	# of localities containing mineral
Alunogen ()*	Not in a structural group	Al₂(SO₄)₃(H₂O)₁₂·5H₂O	5.3	272
Calcite ()*	Calcite	Ca(CO₃)	5.3	27770
Cinnabar ()*	None	HgS	5.3	2600
Copiapite ()*	Copiapite	Fe²⁺Fe³⁺₄(SO₄)₆(OH)₂·20H₂O	5.3	382
Coquimbite ()*	Coquimbite	AlFe₃(SO₄)₆(H₂O)₁₂·6H₂O	5.3	136
Cristobalite ()*	Cristobalite	SiO₂	5.3	453
Epsomite ()*	Epsomite	Mg(SO₄)·7H₂O	5.3	484
Halotrichite ()*	Halotrichite	Fe²⁺Al₂(SO₄)₄·22H₂O	5.3	409
Hypercinnabar ()*	None	HgS	5.3	4
Kornelite ()*	Not in a structural group	Fe³⁺₂(SO₄)₃·7H₂O (?)	5.3	21
Marcasite ()*	Marcasite	FeS₂	5.3	5674
Melanterite ()*	Melanterite	Fe(SO₄)·7H₂O	5.3	915
Metacinnabar ()*	Sphalerite	HgS	5.3	255
Millerite ()*	Millerite	NiS	5.3	1066
Morenosite ()*	Epsomite	Ni(SO₄)·7H₂O	5.3	84
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	5.3	17380
Pyrite ()*	Pyrite	FeS₂	5.3	39462
Römerite ()*	Römerite	Fe²⁺Fe³⁺₂(SO₄)₄·14H₂O	5.3	115
Schuetteite ()*	None	Hg₃O₂(SO₄)	0	21
Siderotil ()*	Chalcanthite	Fe(SO₄)·5H₂O	5.3	84
Stibiconite ()*	Pyrochlore	Sb³⁺Sb⁵⁺₂O₆(OH)	5.3	446
Stibnite ()*	Stibnite	Sb₂S₃	5.3	3418
Valentinite ()*	None	Sb₂O₃	5.3	369
Voltaite ()*	Voltaite	K₂Fe²⁺₅Fe³⁺₃Al(SO₄)₁₂·18H₂O	5.3	111

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
	Hg-00032	5.3	0		?-?						Yes		Cinnabar, Hypercinnabar, Metacinnabar, Schuetteite	Hg	3448	Contra Costa Co., California, USA	California Mercury Occurrences	Studemeister (1984)	10.1007/BF00199786	MD19_202

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...