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:
Mountain Ranch, Mountain Ranch District, East Belt, Calaveras Co., California, USA

Oldest recorded age at locality: 100
Youngest recorded age at locality: 100

mindat Locality ID: 218195
mindat URL: http://www.mindat.org/loc-218195.html

Tectonic Settings:

Total number of sublocalities beneath "Mountain Ranch, Mountain Ranch District, East Belt, Calaveras Co., California, USA": 78
Total number of bottom-level sublocalities: 78

Number of Child Localities: 78
Child Localities:
Alpha And Omega Mine (Stramatis Mines; Omega; Omega Fler De Ora; Matilda; Greek)
Banner Blue Gravel Placer (Big Bend)
Banner Mine [2] (North Star Mine)
Belfast Mine
Bigney Mine
Binum Mine
Blue Ribbon Mine
Bradford Placer
California Mine (Hicks Mine)
Cleveland Foley Mine
Cleveland Mine
Clincher Mine
Columbus Mine (St. Gothard)
Cook & Ranor Mine
Cordova Mine
Cotton Flat Occurrence
Cow Bell Mine (Cow Bell Extension Mine)
Cuneo Bartholomew Mine
Deep River Mine (Rosenthal Mine)
Doodlebug No. 1; 2 And 3 Claims (Doodlebug No. 1; 2 & 3 Claims)
Eida Mine
Emery Group (Juri; Domenghini; Hamilton And Cuslidge Properties; Humboldt Claim; Rose Hill Claim; Perano Claim; Valley Land Claim; Bradford Claim; Pasche Bush Claim)
Ettie B Mine
Foley Placer
Fort Mountain Mine (Mohawk; Solari; Rigney; Baldwin)
Four Hundred Mine (The 400 Mine)
Friendship Mine
Gaston Hill Mine
Golden Star Mine [2]
Goose Neck Placer
Hazel Emma Mine
Hidden Cave Placer
Hobart Mine
Holm Quartz Claim
Holster Occurrence
Hostler Mine
Howard Mine
Joses Ranch Prospect
Kelly Mine
La Capelle Flat Occurrence
La Petite Mine
Last Chance Consolidated Mine (Last Chance Cons; Angelica Innocente Mine)
Last Chance Mine [5] (Last Chance Claim)
Little Grove Mine
Little Hero Mine
Live Oak No. 1 & No. 2 Mine
Main & Fort Ritter Mine
Maria And Fortuna Mine (Maria & Fortuna Mine)
Markham Mine
Martha Mine
Matteson Mine
Matthavale Occurrence
Meteor Mine
Mountain Ranch Placer
Murry Creek Mine (El Dorado)
Nuner Prospect
O'Hara Mine
Pajaro Mine
Pine Cone Mine
Rebecca Mining & Manufacturing Company Mine (Rebecca Mg. & Mg. Co.; Rebecca Mfg And Mfg Company)
Riley Boys Occurrence
Ritter Mine
Rose Hill Mine (Rodesina)
Rose Hill No. 2 Mine (O. O. Mine)
Rose Mine
Starlight Mine
Sunlight Mine
Sunset Mine
Table Mountain Mine (Table Mountain Prospect)
Tecumsen Chief Occurrence (W. P. Bidwell Et Al.; Tecumsen Chief W P)
Tisher Placer
Unknown Cement Rock Occurrence [1]
Unnamed Miscellaneous Au Claims [57]
Unnamed Talc Occurrence [1]
Unspecified Asbestos Occurrence [1]
Wide Awake Occurrence
Winchester Mine
Wonder Mine

Latitude: 38°13'34"N
Longitude: 120°32'27"W
Decimal Degree (lat, lon): 38.226111111111,-120.54083333333

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.

Clay	Copper	Mica	None	Pyrite	Quartz	Rocksalt	Serpentine	Talc

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 Fe H K Mg O Pb S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Clay Copper Mica None Pyrite Quartz Rocksalt Serpentine Talc

7 IMA Minerals at location:

Chrysotile ()*	Galena ()*	Gold ()*	Muscovite ()*	Pyrite ()*
Quartz ()*	Talc ()*

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
Chrysotile ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	100	100	2	152222,152241	951
Galena ()*	Rocksalt	PbS	100	100	2	152178,152243	24243
Gold ()*	Copper	Au	100	100	61	152167,152168,152169,152170,152171,152172,152173,152174,152175,152176,152177,152178,152179,152180,152181,152182,152183,152184,152185,152186,152187,152188,152189,152191,152192,152193,152194,152197,152198,152199,152202,152203,152206,152207,152208,152210,152211,152212,152213,152214,152215,152216,152217,152218,152220,152221,152223,152224,152225,152226,152228,152229,152230,152231,152232,152233,152234,152235,152236,152243,152244	30554
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	100	100	1	152204	17380
Pyrite ()*	Pyrite	FeS₂	100	100	2	152168,152228	39462
Quartz ()*	Quartz	SiO₂	100	100	47	152167,152169,152170,152171,152172,152173,152175,152177,152178,152180,152181,152183,152186,152187,152189,152192,152193,152194,152197,152199,152202,152203,152207,152208,152210,152211,152212,152213,152214,152215,152216,152217,152221,152223,152224,152225,152226,152228,152229,152230,152231,152232,152233,152234,152235,152243,152244	61156
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	100	100	1	152240	3337

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
	Mo-00156	100	100								Yes		Molybdenite	Mo	16293	Calaveras Co., California, USA	Calaveras County	Brock (1972)	10.1130/0016-7606(1972)83[3391:GOGHSC]2.0.CO;2	GSAB83_3391

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...