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:
Pilot Hill District, El Dorado Co., California, USA

mindat Locality ID: 215679
mindat URL: http://www.mindat.org/loc-215679.html

Tectonic Settings:

Total number of sublocalities beneath "Pilot Hill District, El Dorado Co., California, USA": 18
Total number of bottom-level sublocalities: 17

Number of Child Localities: 2
Child Localities:
Pilot Hill
Unspecified Au Occurrence [2]

Latitude: 38°49'48"N
Longitude: 121°'52"W
Decimal Degree (lat, lon): 38.83,-121.01444444444

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.

Brochantite	Calcite	Chalcanthite	Chalcopyrite	Clinozoisite	Copper	Corundum	Covellite	Epidote	Malachite
None	Not in a structural group	Pyrite	Quartz	Rocksalt	Spinel	Tetrahedrite	Vesuvianite

Azurite ()*	Bornite ()*	Brochantite ()*	Calcite ()*	Chalcanthite ()*
Chalcopyrite ()*	Chromite ()*	Covellite ()*	Epidote ()*	Galena ()*
Gold ()*	Hematite ()*	Magnetite ()*	Malachite ()*	Pyrite ()*
Quartz ()*	Tetrahedrite-(Zn) ()*	Vesuvianite ()*

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 C Ca Cr Cu F Fe H Mg Na O Pb S Sb Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Brochantite Calcite Chalcanthite Chalcopyrite Clinozoisite Copper Corundum Covellite Epidote Malachite
None Not in a structural group Pyrite Quartz Rocksalt Spinel Tetrahedrite Vesuvianite

18 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	1	155137	5509
Bornite ()*	None	Cu₅FeS₄	2	155132,155137	5516
Brochantite ()*	Brochantite	Cu₄(SO₄)(OH)₆	1	155137	1633
Calcite ()*	Calcite	Ca(CO₃)	1	155137	27770
Chalcanthite ()*	Chalcanthite	Cu(SO₄)·5H₂O	1	155137	925
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	3	155132,155133,155137	27198
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	1	155136	3902
Covellite ()*	Covellite	CuS	1	155137	4165
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	155137	8173
Galena ()*	Rocksalt	PbS	1	155137	24243
Gold ()*	Copper	Au	6	155128,155130,155131,155138,155139,155143	30554
Hematite ()*	Corundum	Fe₂O₃	1	155137	14640
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	155137	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	2	155133,155137	12537
Pyrite ()*	Pyrite	FeS₂	3	155132,155133,155137	39462
Quartz ()*	Quartz	SiO₂	5	155130,155132,155137,155138,155139	61156
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	1	155137	5317
Vesuvianite ()*	Vesuvianite	(Ca,Na)₁₉(Al,Mg,Fe)₁₃(SiO₄)₁₀(Si₂O₇)₄(OH,F,O)₁₀	1	155137	1395

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...