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:
North Star Mine (Northstar Mine), Kofa Game Range, Kofa District, Kofa Mts (S.H. Mts), Yuma Co., Arizona, USA

mindat Locality ID: 33522
mindat URL: http://www.mindat.org/loc-33522.html

Tectonic Settings:

Total number of sublocalities beneath "North Star Mine (Northstar Mine), Kofa Game Range, Kofa District, Kofa Mts (S.H. Mts), Yuma Co., Arizona, USA": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
No. 2 Vein

Latitude: 33°17'49"N
Longitude: 113°58'9"W
Decimal Degree (lat, lon): 33.296944444444,-113.96916666667

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.

Baryte	Bixbyite	Calcite	Clinozoisite	Copper	Diaspore	Epidote	Fluorite	None	Pyrite
Quartz	Rutile

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 F Fe H K Mg Mn Na O Pb S Sb Si Sr

Elements from minerals reported directly at this locality: Ag Al Au Ba C Ca F Fe H Mn O Pb S Sb Si

Structural Groups for minerals in this locality:
Baryte Bixbyite Calcite Clinozoisite Copper Diaspore Epidote Fluorite None Pyrite
Quartz Rutile

13 IMA Minerals at location:

Baryte ()*	Bixbyite ()*	Boulangerite ()*	Epidote ()*	Fluorite ()*
Gold ()*	Groutite ()*	Manganite ()*	Pyrite ()*	Quartz ()*
Rhodochrosite ()*	Silver ()*	Todorokite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Baryte ()*	Baryte	Ba(SO₄)	0		11547
Bixbyite ()*	Bixbyite	Mn³⁺₂O₃	1	149411	104
Boulangerite ()*	None	Pb₅Sb₄S₁₁	0		843
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	0		8173
Fluorite ()*	Fluorite	CaF₂	0		9617
Gold ()*	Copper	Au	0		30554
Groutite ()*	Diaspore	Mn³⁺O(OH)	1	149411	72
Manganite ()*	Rutile	Mn³⁺O(OH)	1	149411	770
Pyrite ()*	Pyrite	FeS₂	0		39462
Quartz ()*	Quartz	SiO₂	0		61156
Rhodochrosite ()*	Calcite	Mn(CO₃)	0		1711
Silver ()*	Copper	Ag	0		5186
Todorokite ()*	None	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂·3-4H₂O	1	149411	433

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...