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:
Lewiston, Weaverville District, Klamath Mts, Trinity Co., California, USA

mindat Locality ID: 208780
mindat URL: http://www.mindat.org/loc-208780.html

Tectonic Settings:

Total number of sublocalities beneath "Lewiston, Weaverville District, Klamath Mts, Trinity Co., California, USA": 21
Total number of bottom-level sublocalities: 21

Number of Child Localities: 21
Child Localities:
Bablew Placer Mine
Big Bend Placer
Chamberlain And Red Hill Placer
China Bar Placer Mine
Clayton Placer Mine
Cobb Group
Daisy Mine
Ditchline Occurrence
English Tom Mine
Grass Valley Creek Occurrence
Jenning Gulch Placer Mine
Lewiston Gold Dredging Company Placer
Mead Ranch Placer Mine
Pickett & Stofer (American-Italian)
Riley Placer Mine
Thompson Divide Minco Occurrence
Transocean Engineers Quarry
Trinity Dredging Company Placer
Trinity Star Placer Mine (Paulson Ranch)
Unnamed Au Mine (52)
Unnamed Au Occurrence (22)

Latitude: 40°43'34"N
Longitude: 122°48'13"W
Decimal Degree (lat, lon): 40.726111111111,-122.80361111111

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.

Copper	Molybdenite	None	Pyrite	Quartz	Rocksalt	Scheelite	Sphalerite

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: Au Ca Fe Mo O Pb S Si W Zn

Elements from minerals reported directly at this locality: Mo S

Structural Groups for minerals in this locality:
Copper Molybdenite None Pyrite Quartz Rocksalt Scheelite Sphalerite

7 IMA Minerals at location:

Galena ()*	Gold ()*	Molybdenite ()*	Pyrite ()*	Quartz ()*
Scheelite ()*	Sphalerite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Galena ()*	Rocksalt	PbS	1	182135	24243
Gold ()*	Copper	Au	13	182129,182130,182131,182132,182133,182134,182135,182139,182140,182141,182143,182147,182148	30554
Molybdenite ()*	Molybdenite	MoS₂	0		5800
Pyrite ()*	Pyrite	FeS₂	1	182135	39462
Quartz ()*	Quartz	SiO₂	2	182135,182148	61156
Scheelite ()*	Scheelite	Ca(WO₄)	1	182136	4894
Sphalerite ()*	Sphalerite	ZnS	1	182135	21482

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...