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:
Kennedy Meadow, Tuolumne Co., California, USA

Oldest recorded age at locality: 87
Youngest recorded age at locality: 81.5

mindat Locality ID: 281720
mindat URL: http://www.mindat.org/loc-281720.html

Tectonic Settings:

Total number of sublocalities beneath "Kennedy Meadow, Tuolumne Co., California, USA": 5
Total number of bottom-level sublocalities: 5

Number of Child Localities: 5
Child Localities:
Carrigan Mines Inc. Mine
Juniper Mine
Peugh Placer (Pit Run Gravel)
Silver Mine Creek Prospect
Unidentified U Mine [1]

Latitude: 38°18'6"N
Longitude: 119°46'37"W
Decimal Degree (lat, lon): 38.301666666667,-119.77694444444

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.

Autunite	Corundum	Enargite	None	Pyrite	Quartz	Rocksalt	Sphalerite	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: As C Ca Cu Fe H O P Pb S Si U Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Autunite Corundum Enargite None Pyrite Quartz Rocksalt Sphalerite Wurtzite Zircon

10 IMA Minerals at location:

Ankerite ()*	Autunite ()*	Coffinite ()*	Enargite ()*	Galena ()*
Hematite ()*	Pyrite ()*	Quartz ()*	Sphalerite ()*	Torbernite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	1	183350	3092
Autunite ()*	Autunite	Ca(UO₂)₂(PO₄)₂·10-12H₂O	1	183348	1272
Coffinite ()*	Zircon	U(SiO₄)·nH₂O	1	183348	566
Enargite ()*	Enargite Wurtzite	Cu₃AsS₄	1	183350	910
Galena ()*	Rocksalt	PbS	1	183350	24243
Hematite ()*	Corundum	Fe₂O₃	1	183350	14640
Pyrite ()*	Pyrite	FeS₂	2	183348,183350	39462
Quartz ()*	Quartz	SiO₂	1	183350	61156
Sphalerite ()*	Sphalerite	ZnS	1	183350	21482
Torbernite ()*	None	Cu(UO₂)₂(PO₄)₂·12H₂O	1	183348	1059

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
	NAVDAT-36783	87	81.5	84.25±2.75					36783						98080	Peugh Placer (Pit Run Gravel), Kennedy Meadow, Tuolumne Co., California, USA		NAVDAT		NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...