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:
Gunnison District Occurrence (W.C. Dillon; MS 10715), Gunnison District, Gunnison Co., Colorado, USA

Oldest recorded age at locality: 1770
Youngest recorded age at locality: 1760

mindat Locality ID: 113882
mindat URL: http://www.mindat.org/loc-113882.html

Tectonic Settings:

Total number of sublocalities beneath "Gunnison District Occurrence (W.C. Dillon; MS 10715), Gunnison District, Gunnison Co., Colorado, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 38°28'29"N
Longitude: 106°54'44"W
Decimal Degree (lat, lon): 38.474722222222,-106.91222222222

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.

Calcite	Chalcopyrite	Clay	Fluorite	Mica	None	Quartz	Rocksalt	Sphalerite

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 C Ca Cu F Fe H K O Pb S Si Zn

Elements from minerals reported directly at this locality: Al C Ca Cu F Fe H K O Pb S Si Zn

Structural Groups for minerals in this locality:
Calcite Chalcopyrite Clay Fluorite Mica None Quartz Rocksalt Sphalerite

7 IMA Minerals at location:

Calcite ()*	Chalcopyrite ()*	Fluorite ()*	Galena ()*	Muscovite ()*
Quartz ()*	Sphalerite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Calcite ()*	Calcite	Ca(CO₃)	1770	1760	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1770	1760	27198
Fluorite ()*	Fluorite	CaF₂	1770	1760	9617
Galena ()*	Rocksalt	PbS	1770	1760	24243
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1770	1760	17380
Quartz ()*	Quartz	SiO₂	1770	1760	61156
Sphalerite ()*	Sphalerite	ZnS	1770	1760	21482

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Jen_0000011	Proterozoic Colorado Province 500 km wide bet added to the southern margin of the Archaean Wyoming craton

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
	Jen_0000011	1770	1760	1770-1760	U-Pb	age of back arc volcanism		zircon				Zircon		Si, Ti, Al, Fe, Mg, Ca, Na, K	113882	Gunnison District Occurrence (W.C. Dillon; MS 10715), Gunnison District, Gunnison Co., Colorado, USA	Dubois Succession	Černý (1991)	10.1016/0301-9268(91)90111-M	PR51_429	Product of arc magmatism and cannibalistic sedimentation along a convergent margin of the craton

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...