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:
Little Horn Mts, Yuma Co., Arizona, USA

mindat Locality ID: 33853
mindat URL: http://www.mindat.org/loc-33853.html

Tectonic Settings:

Total number of sublocalities beneath "Little Horn Mts, Yuma Co., Arizona, USA": 13
Total number of bottom-level sublocalities: 9

Number of Child Localities: 1
Child Localities:
Sheep Tanks District

Latitude: 33°21'30"N
Longitude: 113°42'22"W
Decimal Degree (lat, lon): 33.358333333333,-113.70611111111

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	Aragonite	Baryte	Calcite	Clay	Copper	Coronadite	Corundum	Diaspore	Mica
None	Quartz	Rocksalt	Rutile

Anglesite ()*	Aragonite ()*	Aurorite ()*	Baryte ()*	Calcite ()*
Cerussite ()*	Chalcophanite ()*	Chrysocolla ()*	Galena ()*	Gold ()*
Groutite ()*	Hematite ()*	Hollandite ()*	Muscovite ()*	Pyrolusite ()*
Quartz ()*	Rhodochrosite ()*

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: Ag Al Au Ba C Ca Cu Fe H K Mn O Pb S Si Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Allophane Aragonite Baryte Calcite Clay Copper Coronadite Corundum Diaspore Mica
None Quartz Rocksalt Rutile

17 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Anglesite ()*	Baryte	Pb(SO₄)	1	149451	2734
Aragonite ()*	Aragonite	Ca(CO₃)	2	149441,149452	3250
Aurorite ()*	None	Mn²⁺Mn⁴⁺₃O₇·3H₂O	1	149441	22
Baryte ()*	Baryte	Ba(SO₄)	2	149449,149451	11547
Calcite ()*	Calcite	Ca(CO₃)	9	149441,149442,149446,149447,149449,149450,149451,149452,149453	27770
Cerussite ()*	Aragonite	Pb(CO₃)	1	149451	4979
Chalcophanite ()*	None	ZnMn⁴⁺₃O₇·3H₂O	1	149452	197
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	1	149449	3531
Galena ()*	Rocksalt	PbS	1	149451	24243
Gold ()*	Copper	Au	4	149442,149445,149446,149449	30554
Groutite ()*	Diaspore	Mn³⁺O(OH)	1	149441	72
Hematite ()*	Corundum	Fe₂O₃	1	149449	14640
Hollandite ()*	Coronadite	Ba(Mn⁴⁺₆Mn³⁺₂)O₁₆	2	149450,149452	243
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	2	149446,149449	17380
Pyrolusite ()*	Rutile	MnO₂	4	149442,149447,149449,149453	3106
Quartz ()*	Quartz	SiO₂	2	149446,149449	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)	1	149449	1711

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...