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:
Pardee District, Calaveras Co., California, USA

Oldest recorded age at locality: 281
Youngest recorded age at locality: 100

mindat Locality ID: 209401
mindat URL: http://www.mindat.org/loc-209401.html

Tectonic Settings:

Total number of sublocalities beneath "Pardee District, Calaveras Co., California, USA": 69
Total number of bottom-level sublocalities: 64

Number of Child Localities: 4
Child Localities:
Buena Vista Mountain
Camp Pardee
Toyon
Valley Springs

Latitude: 38°12'2"N
Longitude: 120°47'16"W
Decimal Degree (lat, lon): 38.200555555556,-120.78777777778

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.

Amorphous	Chalcopyrite	Chlorite	Clay	Copper	Garnet	Kaolinite	Mica	None	Pyrite
Pyroxene	Quartz	Serpentine	Spinel

Chalcopyrite ()*	Chromite ()*	Chrysotile ()*	Clinochlore ()*	Enstatite ()*
Gold ()*	Kaolinite ()*	Magnesiochromite ()*	Muscovite ()*	Opal ()*
Pyrite ()*	Quartz ()*	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 Au Ca Cr Cu Fe H K Mg O S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amorphous Chalcopyrite Chlorite Clay Copper Garnet Kaolinite Mica None Pyrite
Pyroxene Quartz Serpentine 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
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	100	100	1	153291	27198
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	281	100	4	153293,153296,153319,153344	3902
Chrysotile ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	100	100	1	153311	951
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	281	100	3	153292,153311,153321	1756
Enstatite ()*	Pyroxene	Mg₂Si₂O₆	100	100	1	153311	944
Gold ()*	Copper	Au	281	100	11	153294,153295,153305,153306,153316,153317,153324,153325,153331,153333,153342	30554
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	100	100	1	153356	5591
Magnesiochromite ()*	Spinel	MgCr₂O₄	281	100	8	153292,153302,153304,153310,153311,153321,153345,153353	311
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	281	100	1	153293	17380
Opal ()*	Amorphous	SiO₂·nH₂O	281	100	2	153304,153329	2994
Pyrite ()*	Pyrite	FeS₂	100	100	1	153291	39462
Quartz ()*	Quartz	SiO₂	100	100	7	153294,153295,153306,153315,153324,153329,153333	61156
Uvarovite ()*	Garnet	Ca₃Cr₂(SiO₄)₃	281	281	1	153321	212

7 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Age from other Locality	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
Mo-00156	100	100		Yes	Molybdenite	Mo	16293	Calaveras Co., California, USA	Calaveras County	Brock (1972)	10.1130/0016-7606(1972)83[3391:GOGHSC]2.0.CO;2	GSAB83_3391
podchrome-00070	281	281	Permian (280±3 m.y. 206Pb/238U, 282±3 m.y. 207Pb/235U)			Cr	75166	Ellingwood And Vogelsang Mine (Ellingwood Mine; McAfee Lease; City Of Stockton Property), Buena Vista Mountain, Pardee District, Calaveras Co., California, USA	Ellingwood	Moiser et al. (2012)		USGSSIR2012_5157
podchrome-00068	281	281	Permian (280±3 m.y. 206Pb/238U, 282±3 m.y. 207Pb/235U)			Cr	75579	Maxwell Claim, Buena Vista Mountain, Pardee District, Calaveras Co., California, USA	Maxwell	Moiser et al. (2012)		USGSSIR2012_5157
podchrome-00072	281	281	Permian (280±3 m.y. 206Pb/238U, 282±3 m.y. 207Pb/235U)			Cr	75201	Fields And Stoker Mine (Briggs Lease), Camp Pardee, Pardee District, Calaveras Co., California, USA	Fields and Stoker	Moiser et al. (2012)		USGSSIR2012_5157
podchrome-00071	281	281	Permian (280±3 m.y. 206Pb/238U, 282±3 m.y. 207Pb/235U)			Cr	75256	Gillam Mine, Camp Pardee, Pardee District, Calaveras Co., California, USA	Gillam	Moiser et al. (2012)		USGSSIR2012_5157
podchrome-00073	281	281	Permian (280±3 m.y. 206Pb/238U, 282±3 m.y. 207Pb/235U)			Cr	76184	Ward And Lyons Mine (White Hawk Mining Claim; Red Hawk Mine), Camp Pardee, Pardee District, Calaveras Co., California, USA	Ward and Lyons	Moiser et al. (2012)		USGSSIR2012_5157
podchrome-00069	281	281	Permian (280±3 m.y. 206Pb/238U, 282±3 m.y. 207Pb/235U)			Cr	76174	Vogelgesang Placer (S. E. Gourley), Toyon, Pardee District, Calaveras Co., California, USA	Vogelgesang	Moiser et al. (2012)		USGSSIR2012_5157

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...