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:
Eastman Ranch, East Belt, Tuolumne Co., California, USA

mindat Locality ID: 250082
mindat URL: http://www.mindat.org/loc-250082.html

Tectonic Settings:

Total number of sublocalities beneath "Eastman Ranch, East Belt, Tuolumne Co., California, USA": 25
Total number of bottom-level sublocalities: 25

Number of Child Localities: 25
Child Localities:
Ajax Mine
Apperson Prospect
Bonanza Placer
Childress Ranch Deposit
Consuelo Occurrence (Goodenough; Fair Play Consolidated)
Eastman Ranch Prospect
Fitzgerald Claim
Free Lance Extension 4 Mine
Free Lance Mine
Goodnov Quartz Vein
Mary Ellen Mine
Mayhall Ranch Prospect
Murphy Brothers Ranch Prospect
Musante Ranch Prospect
Northstar Consolidated Claim (Northstar Cons)
Oversight Claim
Pine Nut Prospect
Poison Oak Mine
Sunnyside Mine
Telegraph Line Mine (West Slope; West Slope North Extension; Russell-Telegraph)
Turnback Creek
Unnamed Dolomite Deposits [1]
Unnamed Limestone Occurrence [2]
Unnamed Magnesite Occurrences [1]
Woodham Ranch Deposits

Latitude: 37°53'56"N
Longitude: 120°17'"W
Decimal Degree (lat, lon): 37.898888888889,-120.28333333333

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.

Chalcopyrite	Copper	None	Pyrite	Rocksalt	Sphalerite	Stibnite

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 Cu Fe Pb S Sb Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Chalcopyrite Copper None Pyrite Rocksalt Sphalerite Stibnite

6 IMA Minerals at location:

Chalcopyrite ()*	Galena ()*	Gold ()*	Pyrite ()*	Sphalerite ()*
Stibnite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	183037	27198
Galena ()*	Rocksalt	PbS	1	183037	24243
Gold ()*	Copper	Au	7	183027,183033,183034,183035,183037,183043,183044	30554
Pyrite ()*	Pyrite	FeS₂	1	183037	39462
Sphalerite ()*	Sphalerite	ZnS	1	183037	21482
Stibnite ()*	Stibnite	Sb₂S₃	1	183037	3418

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...