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:
Cotopaxi Pegmatite Area, Cotopaxi, Cotopaxi District, Fremont Co., Colorado, USA

mindat Locality ID: 293111
mindat URL: http://www.mindat.org/loc-293111.html

Tectonic Settings:

Total number of sublocalities beneath "Cotopaxi Pegmatite Area, Cotopaxi, Cotopaxi District, Fremont Co., Colorado, USA": 5
Total number of bottom-level sublocalities: 5

Number of Child Localities: 5
Child Localities:
Cotopaxi Feldspar Mine (Cotopaxi Feldspar Prospect; Henry Pegmatite)
McCoy Prospects
Ogden Prospect
Pine Ridge Pegmatite
Schaaf Prospect

Latitude: 38°26'20"N
Longitude: 105°43'31"W
Decimal Degree (lat, lon): 38.438888888889,-105.72527777778

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.

Allanite	Clay	Clinozoisite	Columbite	Corundum	Epidote	Feldspar	Fluorite	Gadolinite	Kaolinite
Mica	None	Quartz	Spinel	Zircon

Allanite-(Ce) ()*	Epidote ()*	Euxenite-(Y) ()*	Fluorite ()*	Gadolinite-(Y) ()*
Hematite ()*	Kainosite-(Y) ()*	Kaolinite ()*	Magnetite ()*	Microcline ()*
Muscovite ()*	Quartz ()*	Samarskite-(Y) ()*	Synchysite-(Y) ()*	Uraninite ()*
Xenotime-(Y) ()*	Zircon ()*

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 Be C Ca Ce F Fe H K Nb O P Si Ta Th Ti U Y Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Allanite Clay Clinozoisite Columbite Corundum Epidote Feldspar Fluorite Gadolinite Kaolinite
Mica None Quartz Spinel Zircon

17 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Allanite-(Ce) ()*	Allanite Epidote	CaCe(Al₂Fe²⁺)[Si₂O₇][SiO₄]O(OH)	1	188289	706
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	188290	8173
Euxenite-(Y) ()*	Columbite	Y(NbTi)O₆	1	188289	414
Fluorite ()*	Fluorite	CaF₂	2	188289,188292	9617
Gadolinite-(Y) ()*	Gadolinite	Y₂Fe²⁺Be₂O₂(SiO₄)₂	1	188292	163
Hematite ()*	Corundum	Fe₂O₃	1	188289	14640
Kainosite-(Y) ()*	None	Ca₂Y₂(SiO₃)₄(CO₃)·H₂O	1	188289	99
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	1	188293	5591
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	2	188289,188290	14899
Microcline ()*	Feldspar	K(AlSi₃O₈)	5	188289,188290,188291,188292,188293	4924
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	5	188289,188290,188291,188292,188293	17380
Quartz ()*	Quartz	SiO₂	4	188289,188290,188292,188293	61156
Samarskite-(Y) ()*	Columbite	YFe³⁺Nb₂O₈	1	188289	353
Synchysite-(Y) ()*	None	CaY(CO₃)₂F	1	188289	55
Uraninite ()*	Fluorite	UO₂	1	188289	2718
Xenotime-(Y) ()*	Zircon	Y(PO₄)	1	188289	939
Zircon ()*	Zircon	Zr(SiO₄)	1	188289	5251

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...