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:
Golden District, Jefferson Co., Colorado, USA

mindat Locality ID: 50041
mindat URL: http://www.mindat.org/loc-50041.html

Tectonic Settings:

Total number of sublocalities beneath "Golden District, Jefferson Co., Colorado, USA": 14
Total number of bottom-level sublocalities: 11

Number of Child Localities: 3
Child Localities:
Golden
Lookout Mountain
Tucker Gulch

Latitude: 39°44'57"N
Longitude: 105°12'7"W
Decimal Degree (lat, lon): 39.749166666667,-105.20194444444

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.

Allophane	Amorphous	Analcime	Apophyllite	Aragonite	Baryte	Calcite	Chabazite	Chalcopyrite	Clay
Copper	Corundum	Gismondine	Harmotome	Heulandite	Kaolinite	Lévyne	Mica	Mordenite	Natrolite
None	Not in a structural group	Olivine	Pyrite	Pyroxene	Quartz	Rutile	Smectite-vermiculite	Stilbite	Thomsonite

Alunogen ()*	Analcime ()*	Ankerite ()*	Aragonite ()*	Augite ()*
Baryte ()*	Calcite ()*	Cassiterite ()*	Celestine ()*	Chabazite-Ca ()*
Chalcocite ()*	Chalcopyrite ()*	Chrysoberyl ()*	Chrysocolla ()*	Copper ()*
Cowlesite ()*	Fluorapophyllite-(K) ()*	Garronite-Ca ()*	Gonnardite ()*	Hematite ()*
Heulandite-Ca ()*	Kaolinite ()*	Laumontite ()*	Lévyne-Ca ()*	Mesolite ()*
Montmorillonite ()*	Mordenite ()*	Muscovite ()*	Natrolite ()*	Nontronite ()*
Offretite ()*	Opal ()*	Phillipsite-Ca ()*	Phlogopite ()*	Pyrite ()*
Quartz ()*	Stilbite-Ca ()*	Tenorite ()*	Thomsonite-Ca ()*

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 Be C Ca Cu F Fe H K Mg Na O S Si Sn Sr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Allophane Amorphous Analcime Apophyllite Aragonite Baryte Calcite Chabazite Chalcopyrite Clay
Copper Corundum Gismondine Harmotome Heulandite Kaolinite Lévyne Mica Mordenite Natrolite
None Not in a structural group Olivine Pyrite Pyroxene Quartz Rutile Smectite-vermiculite Stilbite Thomsonite

39 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Alunogen ()*	Not in a structural group	Al₂(SO₄)₃(H₂O)₁₂·5H₂O	1	190688	272
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	4	190690,190691,190692,190696	1627
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	1	190698	3092
Aragonite ()*	Aragonite	Ca(CO₃)	2	190690,190696	3250
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	2	190690,190696	2060
Baryte ()*	Baryte	Ba(SO₄)	1	190690	11547
Calcite ()*	Calcite	Ca(CO₃)	5	190687,190690,190691,190694,190696	27770
Cassiterite ()*	Rutile	SnO₂	1	190686	5171
Celestine ()*	Baryte	Sr(SO₄)	1	190686	1252
Chabazite-Ca ()*	Chabazite	Ca₂[Al₄Si₈O₂₄]·13H₂O	5	190690,190691,190692,190694,190696	310
Chalcocite ()*	None	Cu₂S	1	190698	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	190698	27198
Chrysoberyl ()*	Olivine	BeAl₂O₄	1	190686	321
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	2	190690,190696	3531
Copper ()*	Copper	Cu	1	190698	3846
Cowlesite ()*	None	Ca(Al₂Si₃)O₁₀·5-6H₂O	3	190690,190691,190696	84
Fluorapophyllite-(K) ()*	Apophyllite	KCa₄Si₈O₂₀F·8H₂O	3	190690,190692,190696	303
Garronite-Ca ()*	Gismondine	Ca₃(Al₆Si₁₀O₃₂)·14H₂O	2	190690,190696	66
Gonnardite ()*	Natrolite	(Na,Ca)₂(Si,Al)₅O₁₀·3H₂O	2	190690,190696	167
Hematite ()*	Corundum	Fe₂O₃	1	190698	14640
Heulandite-Ca ()*	Heulandite	(Ca,Na,K)₅(Si₂₇Al₉)O₇₂·26H₂O	2	190690,190696	246
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	1	190689	5591
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	2	190690,190696	1271
Lévyne-Ca ()*	Lévyne	Ca₃(Si₁₂Al₆)O₃₆·18H₂O	2	190690,190696	42
Mesolite ()*	Natrolite	Na₂Ca₂(Si₉Al₆)O₃₀·8H₂O	2	190690,190696	425
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	1	190689	1508
Mordenite ()*	Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆·28H₂O	3	190687,190690,190696	405
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	190689	17380
Natrolite ()*	Natrolite	Na₂(Si₃Al₂)O₁₀·2H₂O	2	190690,190696	1236
Nontronite ()*	Clay Smectite-vermiculite	Na_0.3Fe³⁺₂(Si,Al)₄O₁₀(OH)₂·nH₂O	2	190690,190696	471
Offretite ()*	Not in a structural group	KCaMg(Si₁₃Al₅)O₃₆·15H₂O	2	190690,190696	146
Opal ()*	Amorphous	SiO₂·nH₂O	3	190687,190690,190696	2994
Phillipsite-Ca ()*	Harmotome	Ca₃(Si₁₀Al₆)O₃₂·12H₂O	2	190690,190696	75
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	2	190690,190696	2273
Pyrite ()*	Pyrite	FeS₂	2	190687,190698	39462
Quartz ()*	Quartz	SiO₂	3	190687,190690,190698	61156
Stilbite-Ca ()*	Stilbite	NaCa₄(Si₂₇Al₉)O₇₂·28H₂O	2	190690,190696	268
Tenorite ()*	None	CuO	1	190699	1101
Thomsonite-Ca ()*	Thomsonite	NaCa₂(Al₅Si₅)O₂₀·6H₂O	4	190690,190691,190692,190696	452

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...