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:
U.S. Army Yuma Proving Grounds, Silver District, Trigo Mts, La Paz Co., Arizona, USA

mindat Locality ID: 276071
mindat URL: http://www.mindat.org/loc-276071.html

Tectonic Settings:

Total number of sublocalities beneath "U.S. Army Yuma Proving Grounds, Silver District, Trigo Mts, La Paz Co., Arizona, USA": 6
Total number of bottom-level sublocalities: 5

Number of Child Localities: 3
Child Localities:
Chloride-Mandarin-Cash Entry Prospects
Gold Reef Prospect
John Hummer Mine

Latitude: 33°5'46"N
Longitude: 114°32'13"W
Decimal Degree (lat, lon): 33.096111111111,-114.53694444444

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.

Allophane	Apatite	Aragonite	Baryte	Calcite	Clay	Corundum	Diaspore	Fluorite	Malachite
Mica	None	Quartz	Rocksalt	Scheelite

Baryte ()*	Calcite ()*	Cerussite ()*	Chrysocolla ()*	Fluorite ()*
Galena ()*	Goethite ()*	Hematite ()*	Malachite ()*	Massicot ()*
Muscovite ()*	Quartz ()*	Scheelite ()*	Smithsonite ()*	Vanadinite ()*
Wulfenite ()*

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 Ba C Ca Cl Cu F Fe H K Mo O Pb S Si V W Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Allophane Apatite Aragonite Baryte Calcite Clay Corundum Diaspore Fluorite Malachite
Mica None Quartz Rocksalt Scheelite

16 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Baryte ()*	Baryte	Ba(SO₄)	3	140703,140705,140706	11547
Calcite ()*	Calcite	Ca(CO₃)	5	140703,140704,140705,140706,140707	27770
Cerussite ()*	Aragonite	Pb(CO₃)	1	140705	4979
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	2	140703,140705	3531
Fluorite ()*	Fluorite	CaF₂	4	140703,140704,140705,140706	9617
Galena ()*	Rocksalt	PbS	2	140703,140705	24243
Goethite ()*	Diaspore	FeO(OH)	1	140705	7437
Hematite ()*	Corundum	Fe₂O₃	1	140707	14640
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	2	140703,140705	12537
Massicot ()*	None	PbO	1	140705	202
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	140707	17380
Quartz ()*	Quartz	SiO₂	2	140705,140708	61156
Scheelite ()*	Scheelite	Ca(WO₄)	1	140707	4894
Smithsonite ()*	Calcite	Zn(CO₃)	2	140703,140705	2473
Vanadinite ()*	Apatite	Pb₅(VO₄)₃Cl	1	140704	605
Wulfenite ()*	Scheelite	PbMoO₄	2	140703,140705	1655

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...