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:
Micanite District, Park Co., Colorado, USA

Oldest recorded age at locality: 40
Youngest recorded age at locality: 30

mindat Locality ID: 122436
mindat URL: http://www.mindat.org/loc-122436.html

Tectonic Settings:

Total number of sublocalities beneath "Micanite District, Park Co., Colorado, USA": 5
Total number of bottom-level sublocalities: 5

Number of Child Localities: 5
Child Localities:
Beryllium Lode Prospect
Caylor
Famous Lode Mica Prospect (Famous Lodge Pegmatites; Little Joe From Kokomo Claim Adjoining)
Rose Dawn Mine (Rose Dawn Mica Mine; North Mine)
Star Girl Mine (Colorado Feldspar Company Mine)

Latitude: 38°46'26"N
Longitude: 105°29'24"W
Decimal Degree (lat, lon): 38.773888888889,-105.49

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.

Apatite	Beryl	Clay	Columbite	Feldspar	Mica	None	Not in a structural group	Quartz	Scheelite
Spinel	Vesuvianite

Albite ()*	Beryl ()*	Columbite-(Mn) ()*	Cordierite ()*	Euxenite-(Y) ()*
Fluorapatite ()*	Kyanite ()*	Microcline ()*	Muscovite ()*	Quartz ()*
Scheelite ()*	Sillimanite ()*	Spinel ()*	Vesuvianite ()*

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 Ca Ce F Fe H K Mg Mn Na Nb O P Si Ta Th Ti U W Y

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Apatite Beryl Clay Columbite Feldspar Mica None Not in a structural group Quartz Scheelite
Spinel Vesuvianite

14 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	40	30	1	194844	8803
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	40	30	3	194841,194844,194845	4286
Columbite-(Mn) ()*	Columbite	Mn²⁺Nb₂O₆	40	30	1	194844	289
Cordierite ()*	Beryl	Mg₂Al₄Si₅O₁₈	40	30	1	194843	1008
Euxenite-(Y) ()*	Columbite	Y(NbTi)O₆	40	30	1	194843	414
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	40	30	1	194844	2740
Kyanite ()*	Not in a structural group	Al₂OSiO₄	40	30	1	194843	1507
Microcline ()*	Feldspar	K(AlSi₃O₈)	40	30	3	194841,194844,194845	4924
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	40	30	4	194841,194843,194844,194845	17380
Quartz ()*	Quartz	SiO₂	40	30	3	194841,194844,194845	61156
Scheelite ()*	Scheelite	Ca(WO₄)	40	30	1	194843	4894
Sillimanite ()*	Not in a structural group	Al₂SiO₅	40	30	1	194843	1516
Spinel ()*	Spinel	MgAl₂O₄	40	30	1	194843	1934
Vesuvianite ()*	Vesuvianite	(Ca,Na)₁₉(Al,Mg,Fe)₁₃(SiO₄)₁₀(Si₂O₇)₄(OH,F,O)₁₀	40	30	1	194843	1395

2 Ages assigned to this locality:

	Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Run Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
	NAVDAT-35559	40	30	35±5					35559						117728	Famous Lode Mica Prospect (Famous Lodge Pegmatites; Little Joe From Kokomo Claim Adjoining), Micanite District, Park Co., Colorado, USA		NAVDAT		NAVDAT
	NAVDAT-35635	40	30	35±5					35635						117884	Rose Dawn Mine (Rose Dawn Mica Mine; North Mine), Micanite District, Park Co., Colorado, USA		NAVDAT		NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...