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:
Tahoe District, Placer Co., California, USA

Oldest recorded age at locality: 6
Youngest recorded age at locality: 3.5

mindat Locality ID: 265947
mindat URL: http://www.mindat.org/loc-265947.html

Tectonic Settings:

Total number of sublocalities beneath "Tahoe District, Placer Co., California, USA": 31
Total number of bottom-level sublocalities: 21

Number of Child Localities: 8
Child Localities:
Alpine Meadows
Carnelian Bay
Chambers Lodge
Kings Beach
Little Steamboat Mountain
Snow Mountain
Soda Springs
Sunflower Hill

Latitude: 39°11'36"N
Longitude: 120°15'38"W
Decimal Degree (lat, lon): 39.193333333333,-120.26055555556

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.

Chalcopyrite	Clinozoisite	Copper	Epidote	Garnet	None	Pyrite	Pyroxene	Quartz	Scheelite

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 Cu Fe H Mg O S Si W

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Chalcopyrite Clinozoisite Copper Epidote Garnet None Pyrite Pyroxene Quartz Scheelite

8 IMA Minerals at location:

Chalcopyrite ()*	Diopside ()*	Epidote ()*	Gold ()*	Grossular ()*
Pyrite ()*	Quartz ()*	Scheelite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	167752	27198
Diopside ()*	Pyroxene	CaMgSi₂O₆	1	167748	4135
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	167745	8173
Gold ()*	Copper	Au	7	167752,167759,167766,167768,167769,167770,167771	30554
Grossular ()*	Garnet	Ca₃Al₂(SiO₄)₃	1	167743	1544
Pyrite ()*	Pyrite	FeS₂	2	167752,167769	39462
Quartz ()*	Quartz	SiO₂	6	167752,167759,167768,167769,167770,167771	61156
Scheelite ()*	Scheelite	Ca(WO₄)	1	167756	4894

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-130807	6	3.5	4.75±1.25					130807						215816	Carnelian Bay, Tahoe District, Placer Co., California, USA		NAVDAT		NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...