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:
Delta Co., Colorado, USA

mindat Locality ID: 28210
mindat URL: http://www.mindat.org/loc-28210.html

Tectonic Settings:

Total number of sublocalities beneath "Delta Co., Colorado, USA": 22
Total number of bottom-level sublocalities: 19

Number of Child Localities: 11
Child Localities:
Delta Area
Doughty Springs
Grand Mesa Area
Gunnison Forks (Sulphur Mine; Thomas)
Gunnison River
Hotchkiss Area
Independence Mine
Mancos Shale
Paonia
Unknown Clay - Fire (Refractory) - Stone - Dimension Occurrence (MRDS - 10016934)
Unknown Gypsum-Anhydrite Occurrence (MRDS - 10091187)

Latitude: 38°52'54"N
Longitude: 107°44'59"W
Decimal Degree (lat, lon): 38.881666666667,-107.74972222222

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.

Alum	Baryte	Calcite	Copper	Gypsum	Halotrichite	Marcasite	Molybdenite	None	Not in a structural group
Pyrite	Sulphur	Tetradymite

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 Au Ba Bi C Ca Fe H K Mg Mo Na O S Te

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Alum Baryte Calcite Copper Gypsum Halotrichite Marcasite Molybdenite None Not in a structural group
Pyrite Sulphur Tetradymite

13 IMA Minerals at location:

Alum-(K) ()*	Alunogen ()*	Baryte ()*	Calcite ()*	Gold ()*
Gypsum ()*	Marcasite ()*	Mirabilite ()*	Molybdenite ()*	Pickeringite ()*
Pyrite ()*	Sulphur ()*	Tetradymite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Alum-(K) ()*	Alum	KAl(SO₄)₂·12H₂O	1	187452	92
Alunogen ()*	Not in a structural group	Al₂(SO₄)₃(H₂O)₁₂·5H₂O	2	187449,187452	272
Baryte ()*	Baryte	Ba(SO₄)	1	187457	11547
Calcite ()*	Calcite	Ca(CO₃)	2	187453,187457	27770
Gold ()*	Copper	Au	2	187448,187455	30554
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	2	187452,187460	6890
Marcasite ()*	Marcasite	FeS₂	1	187452	5674
Mirabilite ()*	None	Na₂(SO₄)·10H₂O	1	187449	223
Molybdenite ()*	Molybdenite	MoS₂	1	187451	5800
Pickeringite ()*	Halotrichite	MgAl₂(SO₄)₄·22H₂O	1	187452	265
Pyrite ()*	Pyrite	FeS₂	1	187452	39462
Sulphur ()*	Sulphur	S	1	187452	2045
Tetradymite ()*	Tetradymite	Bi₂Te₂S	1	187458	510

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...