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:
San Andreas District, Mother Lode Belt, Calaveras Co., California, USA

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

mindat Locality ID: 215853
mindat URL: http://www.mindat.org/loc-215853.html

Tectonic Settings:

Total number of sublocalities beneath "San Andreas District, Mother Lode Belt, Calaveras Co., California, USA": 133
Total number of bottom-level sublocalities: 128

Number of Child Localities: 4
Child Localities:
Chili Hill
Fourth Crossing
Kentucky House
San Andreas

Latitude: 38°10'52"N
Longitude: 120°40'45"W
Decimal Degree (lat, lon): 38.181111111111,-120.67916666667

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.

Calcite	Chalcopyrite	Clay	Copper	Fluorite	Mica	None	Pyrite	Quartz	Rutile
Serpentine	Talc

Ankerite ()*	Antigorite ()*	Calcite ()*	Chalcopyrite ()*	Dolomite ()*
Gold ()*	Hessite ()*	Muscovite ()*	Petzite ()*	Pyrite ()*
Pyrolusite ()*	Quartz ()*	Talc ()*	Uraninite ()*

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 C Ca Cu Fe H K Mg Mn O S Si Te U

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Calcite Chalcopyrite Clay Copper Fluorite Mica None Pyrite Quartz Rutile
Serpentine Talc

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
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	100	100	1	153222	3092
Antigorite ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	100	100	1	153230	708
Calcite ()*	Calcite	Ca(CO₃)	100	100	2	153203,153224	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	100	100	1	153248	27198
Dolomite ()*	None	CaMg(CO₃)₂	100	100	1	153222	9895
Gold ()*	Copper	Au	100	100	80	153146,153147,153148,153149,153150,153151,153158,153160,153161,153163,153164,153166,153167,153168,153170,153171,153181,153183,153184,153185,153186,153187,153189,153192,153193,153194,153197,153198,153199,153200,153201,153202,153203,153207,153209,153211,153215,153216,153217,153218,153219,153220,153221,153222,153223,153224,153225,153227,153230,153231,153232,153234,153235,153236,153237,153239,153241,153242,153246,153247,153248,153249,153250,153251,153252,153253,153255,153256,153257,153258,153261,153262,153263,153264,153265,153266,153267,153268,153271,153277	30554
Hessite ()*	None	Ag₂Te	100	100	1	153230	804
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	100	100	1	153222	17380
Petzite ()*	None	Ag₃AuTe₂	100	100	1	153230	409
Pyrite ()*	Pyrite	FeS₂	100	100	3	153203,153218,153248	39462
Pyrolusite ()*	Rutile	MnO₂	100	100	1	153276	3106
Quartz ()*	Quartz	SiO₂	100	100	51	153147,153149,153150,153151,153160,153161,153163,153164,153166,153167,153168,153170,153171,153181,153183,153185,153186,153193,153194,153197,153198,153200,153201,153203,153211,153216,153222,153223,153224,153227,153231,153234,153235,153236,153237,153239,153241,153242,153247,153248,153249,153250,153253,153255,153257,153258,153264,153266,153267,153268,153277	61156
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	100	100	2	153224,153230	3337
Uraninite ()*	Fluorite	UO₂	100	100	1	153203	2718

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...