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:
Morrison Quadrangle, Morrison Area, Jefferson Co., Colorado, USA

mindat Locality ID: 134225
mindat URL: http://www.mindat.org/loc-134225.html

Tectonic Settings:

Total number of sublocalities beneath "Morrison Quadrangle, Morrison Area, Jefferson Co., Colorado, USA": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Shonkinite

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

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.

Amphibole	Beryl	Feldspar	None	Not in a structural group	Pyroxene	Staurolite

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 Fe H K Mg O Si

Elements from minerals reported directly at this locality: Al Fe H Mg O Si

Structural Groups for minerals in this locality:
Amphibole Beryl Feldspar None Not in a structural group Pyroxene Staurolite

6 IMA Minerals at location:

Augite ()*	Cordierite ()*	Gedrite ()*	Sanidine ()*	Sillimanite ()*
Staurolite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	1	190768	2060
Cordierite ()*	Beryl	Mg₂Al₄Si₅O₁₈	0		1008
Gedrite ()*	Amphibole	Mg₂(Mg₃Al₂)(Si₆Al₂)O₂₂(OH)₂	0		178
Sanidine ()*	Feldspar	K(AlSi₃O₈)	1	190768	598
Sillimanite ()*	Not in a structural group	Al₂SiO₅	0		1516
Staurolite ()*	Staurolite	Fe²⁺₂Al₉Si₄O₂₃(OH)	0		978

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...