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:
Volcanoville District, El Dorado Co., California, USA

Oldest recorded age at locality: 388
Youngest recorded age at locality: 388

mindat Locality ID: 264148
mindat URL: http://www.mindat.org/loc-264148.html

Tectonic Settings:

Total number of sublocalities beneath "Volcanoville District, El Dorado Co., California, USA": 60
Total number of bottom-level sublocalities: 58

Number of Child Localities: 2
Child Localities:
Kentucky Flat
Volcanoville

Latitude: 38°58'23"N
Longitude: 120°45'40"W
Decimal Degree (lat, lon): 38.973055555556,-120.76111111111

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.

Chlorite	Clay	Copper	Diamond	Garnet	None	Quartz	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 Au C Ca Cr Fe H Mg O Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Chlorite Clay Copper Diamond Garnet None Quartz Spinel

7 IMA Minerals at location:

Chromite ()*	Clinochlore ()*	Diamond ()*	Gold ()*	Magnetite ()*
Quartz ()*	Uvarovite ()*

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
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	388	388	6	155226,155232,155239,155247,155258,155263	3902
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈			2	155247,155263	1756
Diamond ()*	Diamond	C			1	155267	697
Gold ()*	Copper	Au			30	155217,155219,155220,155221,155222,155224,155225,155227,155229,155231,155233,155234,155237,155240,155241,155244,155246,155248,155249,155251,155252,155254,155255,155259,155261,155263,155266,155270,155271,155274	30554
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄			1	155268	14899
Quartz ()*	Quartz	SiO₂			12	155233,155237,155244,155248,155249,155251,155254,155259,155263,155266,155270,155271	61156
Uvarovite ()*	Garnet	Ca₃Cr₂(SiO₄)₃			1	155247	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-00129	388	388	pre-Early Devonian-Jurassic (388±17 Ma U-Pb zircon from felsic igneous rocks; 174 Ma K-Ar white mica from blueschists)										Cr	78002	Ogle Mine, Volcanoville, Volcanoville District, El Dorado Co., California, USA	Ogle	Moiser et al. (2012)		USGSSIR2012_5157

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...