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:
Mayacmas Mts (Mayacamas Mts), Mendocino Co., California, USA

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

mindat Locality ID: 230477
mindat URL: http://www.mindat.org/loc-230477.html

Tectonic Settings:

Total number of sublocalities beneath "Mayacmas Mts (Mayacamas Mts), Mendocino Co., California, USA": 29
Total number of bottom-level sublocalities: 20

Number of Child Localities: 4
Child Localities:
Oasis
Red Mountain District
Vichy Springs
West Mayacmas District

Latitude: 39°1'42"N
Longitude: 123°2'9"W
Decimal Degree (lat, lon): 39.028333333333,-123.03583333333

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.

Adelite	Allophane	Calcite	Chalcopyrite	Clay	Copper	Covellite	Diaspore	Malachite	None
Not in a structural group	Rutile	Spinel	Vesuvianite

Azurite ()*	Bementite ()*	Chalcocite ()*	Chalcopyrite ()*	Chromite ()*
Chrysocolla ()*	Cinnabar ()*	Copper ()*	Covellite ()*	Cuprite ()*
Goethite ()*	Gold ()*	Magnesiochromite ()*	Malachite ()*	Mcguinnessite ()*
Platinum ()*	Pyrolusite ()*	Rhodochrosite ()*	Vesuvianite ()*	Vuagnatite ()*

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 C Ca Cr Cu F Fe H Hg Mg Mn Na O Pt S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Adelite Allophane Calcite Chalcopyrite Clay Copper Covellite Diaspore Malachite None
Not in a structural group Rutile Spinel Vesuvianite

20 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
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂			2	163689,163694	5509
Bementite ()*	Clay	Mn₇Si₆O₁₅(OH)₈			1	163707	173
Chalcocite ()*	None	Cu₂S			2	163689,163694	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂			1	163694	27198
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	164	164	1	163690	3902
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O			2	163689,163694	3531
Cinnabar ()*	None	HgS			1	163683	2600
Copper ()*	Copper	Cu			5	163689,163693,163694,163695,163697	3846
Covellite ()*	Covellite	CuS			1	163694	4165
Cuprite ()*	Not in a structural group	Cu₂O			3	163689,163694,163695	2970
Goethite ()*	Diaspore	FeO(OH)			1	163689	7437
Gold ()*	Copper	Au			1	163683	30554
Magnesiochromite ()*	Spinel	MgCr₂O₄			2	163687,163689	311
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂			2	163689,163694	12537
Mcguinnessite ()*	Malachite	CuMg(CO₃)(OH)₂			2	163689,163694	34
Platinum ()*	Copper	Pt			1	163682	485
Pyrolusite ()*	Rutile	MnO₂			1	163697	3106
Rhodochrosite ()*	Calcite	Mn(CO₃)			1	163707	1711
Vesuvianite ()*	Vesuvianite	(Ca,Na)₁₉(Al,Mg,Fe)₁₃(SiO₄)₁₀(Si₂O₇)₄(OH,F,O)₁₀			2	163689,163694	1395
Vuagnatite ()*	Adelite	CaAlSiO₄(OH)			2	163689,163694	14

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
	podchrome-00329	164	164	Middle Jurassic (161-168 Ma)										Cr	82715	Graham Group, Red Mountain, Red Mountain District, Mayacmas Mts (Mayacamas Mts), Mendocino Co., California, USA	Graham Group	Moiser et al. (2012)		USGSSIR2012_5157

Sample	Source Locality	Reference URL
R050397	Red Mountain, Red Mountain District, Mayacmas Mts (Mayacamas Mts), Mendocino Co., California, USA	https://rruff.info/R050397
R070082	Copper King Mine, Red Mountain, Red Mountain District, Mayacmas Mts (Mayacamas Mts), Mendocino Co., California, USA	https://rruff.info/R070082

All locality data graciously provided by mindat.org

All age data...