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:
McIntyre Hills Area, Fremont Co., Colorado, USA

mindat Locality ID: 277450
mindat URL: http://www.mindat.org/loc-277450.html

Tectonic Settings:

Total number of sublocalities beneath "McIntyre Hills Area, Fremont Co., Colorado, USA": 9
Total number of bottom-level sublocalities: 8

Number of Child Localities: 8
Child Localities:
Baker Gulch Prospect
Jack Of Diamonds Prospect
Poverty Mountain Road Prospect
Spikebuck Gulch
Spikebuck Mine
Unknown Mica - Feldspar Occurrence (MRDS - 10091544)
Unknown Mica - Feldspar Occurrence (MRDS - 10091545)
Unnamed Copper Pegmatite Occurrence (MRDS - 10013424)

Latitude: 38°26'15"N
Longitude: 105°28'16"W
Decimal Degree (lat, lon): 38.4375,-105.47111111111

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.

Amorphous	Beryl	Calcite	Chalcopyrite	Clay	Clinozoisite	Corundum	Epidote	Feldspar	Mica
None	Pyrite	Pyroxene	Quartz	Scheelite

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 Cu Fe H K Mg O S Si Ti W

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amorphous Beryl Calcite Chalcopyrite Clay Clinozoisite Corundum Epidote Feldspar Mica
None Pyrite Pyroxene Quartz Scheelite

13 IMA Minerals at location:

Beryl ()*	Bornite ()*	Calcite ()*	Chalcopyrite ()*	Diopside ()*
Epidote ()*	Ilmenite ()*	Microcline ()*	Muscovite ()*	Opal ()*
Pyrite ()*	Quartz ()*	Scheelite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	1	188506	4286
Bornite ()*	None	Cu₅FeS₄	1	188509	5516
Calcite ()*	Calcite	Ca(CO₃)	1	188509	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	2	188501,188509	27198
Diopside ()*	Pyroxene	CaMgSi₂O₆	1	188502	4135
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	188502	8173
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1	188505	5433
Microcline ()*	Feldspar	K(AlSi₃O₈)	1	188506	4924
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	188506	17380
Opal ()*	Amorphous	SiO₂·nH₂O	1	188506	2994
Pyrite ()*	Pyrite	FeS₂	1	188509	39462
Quartz ()*	Quartz	SiO₂	2	188502,188506	61156
Scheelite ()*	Scheelite	Ca(WO₄)	1	188502	4894

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...