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 District, East Belt, Calaveras Co., California, USA

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

mindat Locality ID: 75660
mindat URL: http://www.mindat.org/loc-75660.html

Tectonic Settings:

Total number of sublocalities beneath "Mountain Ranch District, East Belt, Calaveras Co., California, USA": 154
Total number of bottom-level sublocalities: 150

Number of Child Localities: 4
Child Localities:
Cave City
Mountain Ranch
Quiggs Mountain
Sheep Ranch

Latitude: 38°12'44"N
Longitude: 120°31'48"W
Decimal Degree (lat, lon): 38.212222222222,-120.53

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.

Arsenopyrite	Calcite	Chalcopyrite	Clay	Copper	Garnet	Mica	None	Perovskite	Pyrite
Quartz	Rhodonite	Rocksalt	Serpentine	Skutterudite	Sphalerite	Talc	Vivianite

Ankerite ()*	Arsenopyrite ()*	Calcite ()*	Chalcopyrite ()*	Chrysotile ()*
Erythrite ()*	Galena ()*	Gold ()*	Graphite ()*	Muscovite ()*
Pyrite ()*	Quartz ()*	Rhodonite ()*	Skutterudite ()*	Spessartine ()*
Sphalerite ()*	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 As Au C Ca Co Cu Fe H K Mg Mn O Pb S Si Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Arsenopyrite Calcite Chalcopyrite Clay Copper Garnet Mica None Perovskite Pyrite
Quartz Rhodonite Rocksalt Serpentine Skutterudite Sphalerite Talc Vivianite

17 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
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	100	100	1	152259	3092
Arsenopyrite ()*	Arsenopyrite	FeAsS	100	100	1	152288	9052
Calcite ()*	Calcite	Ca(CO₃)	100	100	2	152153,152259	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	100	100	1	152293	27198
Chrysotile ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	100	100	2	152222,152241	951
Erythrite ()*	Vivianite	Co₃(AsO₄)₂·8H₂O	100	100	1	152288	814
Galena ()*	Rocksalt	PbS	100	100	4	152178,152243,152288,152293	24243
Gold ()*	Copper	Au	100	100	118	152150,152155,152157,152158,152159,152160,152161,152162,152163,152164,152165,152167,152168,152169,152170,152171,152172,152173,152174,152175,152176,152177,152178,152179,152180,152181,152182,152183,152184,152185,152186,152187,152188,152189,152191,152192,152193,152194,152197,152198,152199,152202,152203,152206,152207,152208,152210,152211,152212,152213,152214,152215,152216,152217,152218,152220,152221,152223,152224,152225,152226,152228,152229,152230,152231,152232,152233,152234,152235,152236,152243,152244,152246,152247,152248,152249,152250,152251,152252,152253,152254,152255,152256,152257,152258,152259,152261,152262,152264,152265,152266,152267,152268,152269,152270,152271,152272,152273,152274,152275,152276,152278,152279,152280,152282,152283,152285,152287,152288,152289,152290,152291,152293,152294,152295,152298,152299,152300	30554
Graphite ()*	None	C	100	100	2	152160,152293	2812
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	100	100	3	152154,152204,152259	17380
Pyrite ()*	Pyrite	FeS₂	100	100	6	152165,152168,152228,152259,152288,152293	39462
Quartz ()*	Quartz	SiO₂	100	100	88	152150,152155,152158,152159,152160,152161,152162,152163,152165,152167,152169,152170,152171,152172,152173,152175,152177,152178,152180,152181,152183,152186,152187,152189,152192,152193,152194,152197,152199,152202,152203,152207,152208,152210,152211,152212,152213,152214,152215,152216,152217,152221,152223,152224,152225,152226,152228,152229,152230,152231,152232,152233,152234,152235,152243,152244,152248,152250,152251,152252,152253,152254,152255,152256,152257,152258,152259,152261,152262,152264,152265,152266,152268,152273,152274,152275,152276,152278,152279,152282,152283,152287,152288,152291,152293,152298,152299,152300	61156
Rhodonite ()*	Rhodonite	CaMn₃Mn(Si₅O₁₅)	100	100	1	152292	969
Skutterudite ()*	Skutterudite Perovskite	CoAs₃	100	100	1	152288	531
Spessartine ()*	Garnet	Mn²⁺₃Al₂(SiO₄)₃	100	100	3	152292,152296,152302	1214
Sphalerite ()*	Sphalerite	ZnS	100	100	1	152288	21482
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	100	100	3	152165,152240,152259	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...