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:
Klamath Mts, Humboldt Co., California, USA

Oldest recorded age at locality: 164
Youngest recorded age at locality: 164

mindat Locality ID: 230776
mindat URL: http://www.mindat.org/loc-230776.html

Tectonic Settings:

Total number of sublocalities beneath "Klamath Mts, Humboldt Co., California, USA": 146
Total number of bottom-level sublocalities: 118

Number of Child Localities: 8
Child Localities:
Denny Area
Hoopa Indian Reservation
Mill Creek District
Pecwan (Pekwan)
Somes Bar Area
Weitchpec District
Willow Creek District
Wright Place

Latitude: 41°11'34"N
Longitude: 123°36'7"W
Decimal Degree (lat, lon): 41.192777777778,-123.60194444444

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.

Baryte	Calcite	Chalcopyrite	Copper	Diamond	Malachite	None	Not in a structural group	Pyrite	Quartz
Rhodonite	Sphalerite	Spinel

Baryte ()*	Bornite ()*	Chalcocite ()*	Chalcopyrite ()*	Chromite ()*
Cinnabar ()*	Cooperite ()*	Copper ()*	Cuprite ()*	Diamond ()*
Erlichmanite ()*	Gold ()*	Graphite ()*	Iridium ()*	Laurite ()*
Magnesiochromite ()*	Magnesite ()*	Malachite ()*	Osmium ()*	Platinum ()*
Pyrite ()*	Quartz ()*	Rhodonite ()*	Sperrylite ()*	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: As Au Ba C Cr Cu Fe H Hg Ir Mg Mn O Os Pt Ru S Si Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Baryte Calcite Chalcopyrite Copper Diamond Malachite None Not in a structural group Pyrite Quartz
Rhodonite Sphalerite Spinel

25 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
Baryte ()*	Baryte	Ba(SO₄)			1	156318	11547
Bornite ()*	None	Cu₅FeS₄			1	156382	5516
Chalcocite ()*	None	Cu₂S			2	156332,156382	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂			2	156312,156317	27198
Chromite ()*	Spinel	Fe²⁺Cr₂O₄			13	156314,156344,156345,156348,156349,156356,156364,156388,156403,156444,156446,156448,156450	3902
Cinnabar ()*	None	HgS			2	156330,156338	2600
Cooperite ()*	None	PtS			1	156322	124
Copper ()*	Copper	Cu			3	156315,156382,156423	3846
Cuprite ()*	Not in a structural group	Cu₂O			1	156382	2970
Diamond ()*	Diamond	C			1	156416	697
Erlichmanite ()*	Pyrite	OsS₂			1	156436	110
Gold ()*	Copper	Au			51	156313,156316,156323,156326,156331,156333,156354,156357,156358,156361,156368,156369,156371,156372,156373,156374,156375,156376,156377,156378,156379,156380,156383,156384,156385,156386,156387,156389,156395,156396,156398,156399,156400,156401,156404,156405,156406,156407,156409,156413,156415,156419,156422,156426,156427,156428,156429,156432,156437,156438,156441	30554
Graphite ()*	None	C			1	156320	2812
Iridium ()*	Copper	Ir			1	156415	162
Laurite ()*	Pyrite	RuS₂			1	156436	226
Magnesiochromite ()*	Spinel	MgCr₂O₄	164	164	4	156347,156350,156352,156447	311
Magnesite ()*	Calcite	Mg(CO₃)			1	156439	1487
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂			1	156315	12537
Osmium ()*	None	Os			1	156430	169
Platinum ()*	Copper	Pt			9	156322,156354,156366,156406,156413,156415,156416,156417,156436	485
Pyrite ()*	Pyrite	FeS₂			2	156312,156315	39462
Quartz ()*	Quartz	SiO₂			1	156312	61156
Rhodonite ()*	Rhodonite	CaMn₃Mn(Si₅O₁₅)			1	156315	969
Sperrylite ()*	Pyrite	PtAs₂			1	156322	337
Sphalerite ()*	Sphalerite	ZnS			1	156312	21482

2 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
	podchrome-00310	164	164	Middle Jurassic (161-168 Ma)										Cr	76835	Pecwan Mine (Pecwan Deposit; Englebright Mine; New Moon Mine), Pecwan Creek, Onion Mountain, Pecwan (Pekwan), Klamath Mts, Humboldt Co., California, USA	Pecwan	Moiser et al. (2012)		USGSSIR2012_5157
	podchrome-00311	164	164	Middle Jurassic (161-168 Ma)										Cr	76936	Wilder Mine (Fish Creek; Man O'War Claims), Onion Mountain, Pecwan (Pekwan), Klamath Mts, Humboldt Co., California, USA	Wilder	Moiser et al. (2012)		USGSSIR2012_5157

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...