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:
Coffee District (Coffee Creek District), Klamath Mts, Trinity Co., California, USA

Oldest recorded age at locality: 153.34
Youngest recorded age at locality: 125.46

mindat Locality ID: 209184
mindat URL: http://www.mindat.org/loc-209184.html

Tectonic Settings:

Total number of sublocalities beneath "Coffee District (Coffee Creek District), Klamath Mts, Trinity Co., California, USA": 102
Total number of bottom-level sublocalities: 95

Number of Child Localities: 8
Child Localities:
Billys Peak
Coffee Creek
Coffee Creek Ranch
Coyote Peak
Eagle Peak
J. Carr's Mine
Sugar Pine Butte
The Cedars

Latitude: 41°6'58"N
Longitude: 122°49'36"W
Decimal Degree (lat, lon): 41.116111111111,-122.82666666667

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.

Amphibole	Beryl	Calcite	Chalcopyrite	Clay	Copper	Corundum	Marcasite	Melonite	None
Pyrite	Quartz	Rocksalt	Serpentine	Spinel

Anthophyllite ()*	Beryl ()*	Calcite ()*	Chalcopyrite ()*	Chromite ()*
Chrysotile ()*	Galena ()*	Gold ()*	Hematite ()*	Marcasite ()*
Pyrite ()*	Quartz ()*	Siderite ()*	Sylvanite ()*

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: Ag Al Au Be C Ca Cr Cu Fe H Mg O Pb S Si Te

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amphibole Beryl Calcite Chalcopyrite Clay Copper Corundum Marcasite Melonite None
Pyrite Quartz Rocksalt Serpentine Spinel

14 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
Anthophyllite ()*	Amphibole	Mg₂Mg₅Si₈O₂₂(OH)₂			2	181090,181100	718
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈			1	181133	4286
Calcite ()*	Calcite	Ca(CO₃)	153.34	125.46	6	181087,181098,181103,181105,181106,181156	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂			3	181087,181096,181106	27198
Chromite ()*	Spinel	Fe²⁺Cr₂O₄			1	181132	3902
Chrysotile ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄			1	181090	951
Galena ()*	Rocksalt	PbS			3	181103,181106,181121	24243
Gold ()*	Copper	Au	153.34	125.46	55	181073,181075,181077,181078,181079,181080,181084,181085,181087,181088,181091,181093,181094,181095,181096,181097,181098,181102,181103,181104,181105,181106,181107,181109,181112,181113,181114,181115,181119,181120,181121,181122,181127,181129,181130,181132,181135,181138,181139,181140,181142,181147,181148,181150,181156,181158,181159,181160,181161,181162,181163,181165,181166,181167,181173	30554
Hematite ()*	Corundum	Fe₂O₃			1	181088	14640
Marcasite ()*	Marcasite	FeS₂			1	181130	5674
Pyrite ()*	Pyrite	FeS₂			4	181087,181098,181103,181106	39462
Quartz ()*	Quartz	SiO₂	153.34	125.46	22	181080,181085,181087,181088,181093,181096,181097,181098,181102,181103,181105,181106,181107,181109,181113,181121,181127,181130,181147,181156,181159,181167	61156
Siderite ()*	Calcite	Fe(CO₃)			1	181087	6417
Sylvanite ()*	Melonite	AgAuTe₄			1	181103	337

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-129846	153.34	125.46	139.4±13.94				biotite	129846						240904	The Cedars, Coffee District (Coffee Creek District), Klamath Mts, Trinity Co., California, USA		NAVDAT		NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...