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:
McGuire Pegmatite (Lone Lode; Lonesome Pegmatite), Park Co., Colorado, USA

Oldest recorded age at locality: 1079
Youngest recorded age at locality: 1075

mindat Locality ID: 31166
mindat URL: http://www.mindat.org/loc-31166.html

Tectonic Settings:

Total number of sublocalities beneath "McGuire Pegmatite (Lone Lode; Lonesome Pegmatite), Park Co., Colorado, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 39°19'55"N
Longitude: 105°24'45"W
Decimal Degree (lat, lon): 39.331944444444,-105.4125

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.

Clay	Columbite	Corundum	Feldspar	Fluorite	Mica	Monazite	None	Not in a structural group	Pseudobrookite
Quartz	Rutile	Tivanite	Topaz	Zircon

Anatase ()*	Columbite-(Fe) ()*	Fluorite ()*	Hematite ()*	Ilmenite ()*
Ixiolite ()*	Microcline ()*	Monazite-(Ce) ()*	Muscovite ()*	Pseudobrookite ()*
Pseudorutile ()*	Quartz ()*	Rutile ()*	Topaz ()*	Xenotime-(Y) ()*

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 Ca Ce F Fe H K Mn Nb O P Si Ta Ti Y

Elements from minerals reported directly at this locality: Al Ca Ce F Fe H K Mn Nb O P Si Ta Ti Y

Structural Groups for minerals in this locality:
Clay Columbite Corundum Feldspar Fluorite Mica Monazite None Not in a structural group Pseudobrookite
Quartz Rutile Tivanite Topaz Zircon

15 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Anatase ()*	Not in a structural group	TiO₂	1079	1075	2162
Columbite-(Fe) ()*	Columbite	Fe²⁺Nb₂O₆	1079	1075	518
Fluorite ()*	Fluorite	CaF₂	1079	1075	9617
Hematite ()*	Corundum	Fe₂O₃	1079	1075	14640
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1079	1075	5433
Ixiolite ()*	Columbite	(Ta_2/3Mn²⁺_1/3)O₂	1079	1075	148
Microcline ()*	Feldspar	K(AlSi₃O₈)	1079	1075	4924
Monazite-(Ce) ()*	Monazite	Ce(PO₄)	1079	1075	945
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1079	1075	17380
Pseudobrookite ()*	Pseudobrookite	(Fe³⁺₂Ti)O₅	1079	1075	164
Pseudorutile ()*	Tivanite	Fe³⁺₂Ti⁴⁺₃O₉	1079	1075	30
Quartz ()*	Quartz	SiO₂	1079	1075	61156
Rutile ()*	Rutile	TiO₂	1079	1075	5614
Topaz ()*	Topaz	Al₂SiO₄F₂	1079	1075	1476
Xenotime-(Y) ()*	Zircon	Y(PO₄)	1079	1075	939

1 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
	Bradley_2012_132	1079	1075	1077±2	Ar/Ar						Yes				3668	Pikes Peak, El Paso Co., Colorado, USA	Pike's Peak	McCauley and Bradley (2014)	10.3749/canmin.52.2.183	CM52_183

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...