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:
Glencoe, Railroad Flat District, East Belt, Calaveras Co., California, USA

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

mindat Locality ID: 216079
mindat URL: http://www.mindat.org/loc-216079.html

Tectonic Settings:

Total number of sublocalities beneath "Glencoe, Railroad Flat District, East Belt, Calaveras Co., California, USA": 44
Total number of bottom-level sublocalities: 44

Number of Child Localities: 44
Child Localities:
Aetna Mine (Etna Mine; McKisson Mine)
Alexander Mine (Pamona Mine; Alexandria Mine)
Alpha Mine
Banner Mine [1] (Grasshopper Mine)
Bendigo Mine
Blizzard Mine
Blue Jay Mine [1]
Brookdale Mine
Bull Dog Mine
Cape Horn Calaveras Cement Company Property
Del Monte Occurrence
Dutton Prospect
Esperanza Occurrence (Boston)
Fidelity Mine
Gambetta Deposit
Garibaldi Mine [1]
Gilded Age Occurrence
Glenco & Development Mine (Glencoe Mine; Valentine; Ridge View; Sierra King; Sierra Queen; Mexican; Stoetzer)
Guilded Age Mine
Holmes Mine
Homestead Occurrence
Kaiser Wilhelm Mine
La Verne Mine (Sarah Al; Mary V La Franch; Monte Cristo)
Lawson Mine
Liberty Bell No. 1 Mine (Liberty Bell 1; 2 And 3 Mine; Wagner And Santa Maria)
Mahala Mine
Minnie Mine [1]
Mountain View Mine
New York Mine
Norwich Mine (Nucleus)
Ridge View Occurrence
Rindge No. 3 Mine (True Blue Mine)
Rockingham Mine (San Pedro Mine)
Ruth Belle Mine
San Bruno Mine (Good Hope Group)
Saratoga Mine
Sierra King Occurrence
Sierra Queen Occurrence
Spring Day Mine
Stoetzer Occurrence
Stonewall Jackson Mine
Tangier Mine (Tanger)
Unnamed Stone Deposits [2]
Valentine Claims (Valentine Claim; Sierra King Claim; Sierra Queen Claim; Richview Claim; Mexican Claim; Stoetzer Claim)

Latitude: 38°20'55"N
Longitude: 120°34'40"W
Decimal Degree (lat, lon): 38.348611111111,-120.57777777778

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	Copper	None	Pyrite	Quartz	Rocksalt

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: Au C Ca Cu Fe O Pb S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Calcite Chalcopyrite Copper None Pyrite Quartz Rocksalt

6 IMA Minerals at location:

Calcite ()*	Chalcopyrite ()*	Galena ()*	Gold ()*	Pyrite ()*
Quartz ()*

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
Calcite ()*	Calcite	Ca(CO₃)	100	100	1	152451	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	100	100	2	152451,152459	27198
Galena ()*	Rocksalt	PbS	100	100	3	152451,152459,152475	24243
Gold ()*	Copper	Au	100	100	33	152446,152447,152448,152449,152450,152453,152454,152455,152456,152457,152458,152459,152461,152463,152464,152465,152467,152468,152469,152471,152472,152473,152474,152475,152477,152478,152479,152480,152481,152484,152486,152487,152489	30554
Pyrite ()*	Pyrite	FeS₂	100	100	2	152451,152459	39462
Quartz ()*	Quartz	SiO₂	100	100	27	152446,152449,152450,152451,152453,152454,152459,152461,152463,152464,152465,152467,152468,152469,152471,152472,152473,152474,152475,152478,152479,152480,152481,152484,152486,152487,152489	61156

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...