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:
Road Gulch, Fremont Co., Colorado, USA

mindat Locality ID: 6202
mindat URL: http://www.mindat.org/loc-6202.html

Tectonic Settings:

Total number of sublocalities beneath "Road Gulch, Fremont Co., Colorado, USA": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Dreamers Hope Carbonatite

Latitude: 38°20'34"N
Longitude: 105°32'41"W
Decimal Degree (lat, lon): 38.342777777778,-105.54472222222

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	Baryte	Bastnäsite	Calcite	Corundum	Diaspore	Fluorite	Monazite	None	Pyrite
Pyroxene	Quartz	Rocksalt	Rutile	Scheelite	Sphalerite	Spinel	Zircon

Augite ()*	Baryte ()*	Bastnäsite-(Ce) ()*	Calcite ()*	Dolomite ()*
Fergusonite-(Y) ()*	Fluorite ()*	Galena ()*	Goethite ()*	Hematite ()*
Kaersutite ()*	Magnetite ()*	Monazite-(Ce) ()*	Pyrite ()*	Quartz ()*
Rhodochrosite ()*	Rutile ()*	Siderite ()*	Sphalerite ()*	Thorite ()*
Zircon ()*

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 Ba C Ca Ce F Fe H Mg Mn Na Nb O P Pb S Si Th Ti Y Zn Zr

Elements from minerals reported directly at this locality: Al Ba C Ca Ce F Fe H Mg Mn Na Nb O P S Si Th Ti Y Zr

Structural Groups for minerals in this locality:
Amphibole Baryte Bastnäsite Calcite Corundum Diaspore Fluorite Monazite None Pyrite
Pyroxene Quartz Rocksalt Rutile Scheelite Sphalerite Spinel Zircon

21 IMA Minerals at location:

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	0		2060
Baryte ()*	Baryte	Ba(SO₄)	0		11547
Bastnäsite-(Ce) ()*	Bastnäsite	Ce(CO₃)F	0		304
Calcite ()*	Calcite	Ca(CO₃)	0		27770
Dolomite ()*	None	CaMg(CO₃)₂	0		9895
Fergusonite-(Y) ()*	Scheelite	YNbO₄	0		196
Fluorite ()*	Fluorite	CaF₂	0		9617
Galena ()*	Rocksalt	PbS	1	188555	24243
Goethite ()*	Diaspore	FeO(OH)	0		7437
Hematite ()*	Corundum	Fe₂O₃	0		14640
Kaersutite ()*	Amphibole	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂	0		179
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	0		14899
Monazite-(Ce) ()*	Monazite	Ce(PO₄)	0		945
Pyrite ()*	Pyrite	FeS₂	0		39462
Quartz ()*	Quartz	SiO₂	0		61156
Rhodochrosite ()*	Calcite	Mn(CO₃)	0		1711
Rutile ()*	Rutile	TiO₂	0		5614
Siderite ()*	Calcite	Fe(CO₃)	0		6417
Sphalerite ()*	Sphalerite	ZnS	1	188555	21482
Thorite ()*	Zircon	Th(SiO₄)	0		1006
Zircon ()*	Zircon	Zr(SiO₄)	0		5251

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...