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:
Curecanti Needle Area, Gunnison Co., Colorado, USA

Oldest recorded age at locality: 1734.13
Youngest recorded age at locality: 1291.3

mindat Locality ID: 158735
mindat URL: http://www.mindat.org/loc-158735.html

Tectonic Settings:

Total number of sublocalities beneath "Curecanti Needle Area, Gunnison Co., Colorado, USA": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Black Canyon Beryl Prospect
Last Chance Mine (Unpatented Claim: Peifer; Peifer Quarry)

Latitude: 38°26'44"N
Longitude: 107°25'34"W
Decimal Degree (lat, lon): 38.445555555556,-107.42611111111

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.

Beryl	Clay	Feldspar	Mica	None	Quartz	Topaz

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 F H K O Si

Elements from minerals reported directly at this locality: Al F O Si

Structural Groups for minerals in this locality:
Beryl Clay Feldspar Mica None Quartz Topaz

5 IMA Minerals at location:

Beryl ()*	Microcline ()*	Muscovite ()*	Quartz ()*	Topaz ()*

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
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	1734.13	1411	1	189422	4286
Microcline ()*	Feldspar	K(AlSi₃O₈)	1734.13	1291.3	2	189422,189423	4924
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1371.3	1291.3	1	189423	17380
Quartz ()*	Quartz	SiO₂	1734.13	1291.3	2	189422,189423	61156
Topaz ()*	Topaz	Al₂SiO₄F₂	1734.13	1291.3	0		1476

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Jen_0000100	2 mica, garnet quartz monzonite

7 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Sample Source	Dated Mineral	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
Jen_0000100	1390.015	1389.985	1390±0.015	Rb-Sr				158735	Curecanti Needle Area, Gunnison Co., Colorado, USA	Curencanti Two-mica, Garnet Quartz Monzonite, Colorado	Anderson (1983)	10.1130/MEM161-p133	GSAM161_133	anorogenic
Bradley_2012_116	1713	1709	1711±2	U/Pb		zircon	Zircon	113764	Black Canyon Beryl Prospect, Curecanti Needle Area, Gunnison Co., Colorado, USA	[Black Canyon]	McCauley and Bradley (2014)	10.3749/canmin.52.2.183	CM52_183
Bradley_2012_117	1415	1411	1413±2	U/Pb		zircon	Zircon	113764	Black Canyon Beryl Prospect, Curecanti Needle Area, Gunnison Co., Colorado, USA	[Black Canyon]	McCauley and Bradley (2014)	10.3749/canmin.52.2.183	CM52_183
USGS-Rb-Sr-04009	1734.13	1594.13	1664.13±70	Rb-Sr	age of metamorphic crystallization	whole rock		113764	Black Canyon Beryl Prospect, Curecanti Needle Area, Gunnison Co., Colorado, USA		USGS-Rb-Sr		USGS-Rb-Sr
USGS-Rb-Sr-04012	1734.13	1594.13	1664.13±70	Rb-Sr	age of metamorphic crystallization	whole rock		113764	Black Canyon Beryl Prospect, Curecanti Needle Area, Gunnison Co., Colorado, USA		USGS-Rb-Sr		USGS-Rb-Sr
USGS-Rb-Sr-04013	1734.13	1594.13	1664.13±70	Rb-Sr	age of metamorphic crystallization	whole rock		113764	Black Canyon Beryl Prospect, Curecanti Needle Area, Gunnison Co., Colorado, USA		USGS-Rb-Sr		USGS-Rb-Sr
USGS-Rb-Sr-03999	1371.3	1291.3	1331.3±40	Rb-Sr	minimum age of intrusion	microcline	Microcline	113937	Last Chance Mine (Unpatented Claim: Peifer; Peifer Quarry), Curecanti Needle Area, Gunnison Co., Colorado, USA		USGS-Rb-Sr		USGS-Rb-Sr

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...