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:
Imperial National Wildlife Refuge, Silver District, Trigo Mts, La Paz Co., Arizona, USA

mindat Locality ID: 274895
mindat URL: http://www.mindat.org/loc-274895.html

Tectonic Settings:

Total number of sublocalities beneath "Imperial National Wildlife Refuge, Silver District, Trigo Mts, La Paz Co., Arizona, USA": 4
Total number of bottom-level sublocalities: 4

Number of Child Localities: 4
Child Localities:
Picacho Copper Mine
Riverview Mine (Riverview Claims; Eureka Mine; Bonanza Mine; Old Selby Mine; Old Selby Bonanza Mine)
Segar Lease (Seger Lease)
Trigo Placers (Colorado River Placers)

Latitude: 33°2'26"N
Longitude: 114°35'59"W
Decimal Degree (lat, lon): 33.040555555556,-114.59972222222

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.

Aragonite	Calcite	Chalcopyrite	Copper	Fluorite	Malachite	None	Not in a structural group	Pyrite	Rocksalt
Sphalerite

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 F Fe H O Pb S Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Aragonite Calcite Chalcopyrite Copper Fluorite Malachite None Not in a structural group Pyrite Rocksalt
Sphalerite

12 IMA Minerals at location:

Azurite ()*	Calcite ()*	Cerussite ()*	Chalcopyrite ()*	Fluorite ()*
Galena ()*	Gold ()*	Malachite ()*	Pyrite ()*	Smithsonite ()*
Sphalerite ()*	Tenorite ()*

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	140668	5509
Calcite ()*	Calcite	Ca(CO₃)	2	140669,140670	27770
Cerussite ()*	Aragonite	Pb(CO₃)	1	140669	4979
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	140668	27198
Fluorite ()*	Fluorite	CaF₂	1	140670	9617
Galena ()*	Rocksalt	PbS	1	140669	24243
Gold ()*	Copper	Au	1	140671	30554
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	1	140668	12537
Pyrite ()*	Pyrite	FeS₂	1	140669	39462
Smithsonite ()*	Calcite	Zn(CO₃)	1	140669	2473
Sphalerite ()*	Sphalerite	ZnS	1	140669	21482
Tenorite ()*	None	CuO	1	140668	1101

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...