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:
Clear Creek Pegmatite Province, Jefferson Co., Colorado, USA

Oldest recorded age at locality: 1743.92
Youngest recorded age at locality: 1603.92

mindat Locality ID: 66742
mindat URL: http://www.mindat.org/loc-66742.html

Tectonic Settings:

Total number of sublocalities beneath "Clear Creek Pegmatite Province, Jefferson Co., Colorado, USA": 33
Total number of bottom-level sublocalities: 31

Number of Child Localities: 30
Child Localities:
Bachman Ranch Mine
Bigger Mica Mine (Sweitzer Lode)
Buckman Ranch Mine
Burroughs Mine (Traut-Rudin-Anderson Pegmatite; Sunrise Peak Mine)
Centennial Cone
Coors Pegmatite (Coors Feldspar Pegmatite; Coors Quarry)
Cressmans Gulch Mine (Cressmans Gulch Pegmatite)
Drew Hill Prospect (Drew Hill Pegmatites Nos. 1 And 2)
East Shaffer Hill Pegmatite
Elledge Mine (Ramstetter Mine)
Gilman Ranch Pegmatite
Hiwan Ranch
Johnson Mine
Ladwig Ranch Pegmatites
Ladwig-Grosso Pegmatite
Little Abner Mine
Old Soda Creek School Pegmatite
Robinson Gulch Pegmatite
Roscoe Beryl Mine (Roscoe Pegmatite)
Roscoe Gulch Pegmatites
Seven Hills - Yetter Ranch Pegmatite Occurrence
Silver Glen Ranch Mine
Soda Creek School Mine (Soda Creek School Pegmatite)
Strang Pegmatite Occurrence (S. B. Strang Ralston Creek Pegmatite)
Swede - Kerr Gulches Pegmatites
Tall Timber Group
Unknown Feldspar (MRDS - 10215533)
Unnamed Pegmatite
Unnamed Rutile Occurrence (MRDS - 10090176)
Wasson Ranch Mine (Rainbow Hills Pegmatite; Wasson Ranch Pegmatite)

Latitude: 39°43'36"N
Longitude: 105°20'6"W
Decimal Degree (lat, lon): 39.726666666667,-105.335

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.

Allanite	Beryl	Bismutite	Clay	Clinozoisite	Columbite	Corundum	Epidote	Feldspar	Fluorite
Gadolinite	Malachite	Mica	Molybdenite	Monazite	None	Not in a structural group	Olivine	Quartz	Rutile
Scheelite	Spinel	Stibnite	Topaz	Triplite	Vesuvianite	Zircon

Albite ()*	Allanite-(Ce) ()*	Azurite ()*	Bertrandite ()*	Beryl ()*
Bismuthinite ()*	Bismutite ()*	Chrysoberyl ()*	Columbite-(Fe) ()*	Columbite-(Mn) ()*
Corundum ()*	Dypingite ()*	Epidote ()*	Euxenite-(Y) ()*	Fergusonite-(Y) ()*
Ferrimolybdite ()*	Fluorite ()*	Gadolinite-(Ce) ()*	Gahnite ()*	Kyanite ()*
Lansfordite ()*	Lithiophilite ()*	Magnetite ()*	Malachite ()*	Microcline ()*
Molybdenite ()*	Monazite-(Ce) ()*	Muscovite ()*	Nesquehonite ()*	Quartz ()*
Rutile ()*	Samarskite-(Y) ()*	Sillimanite ()*	Tantalite-(Mn) ()*	Thorite ()*
Topaz ()*	Triphylite ()*	Triplite ()*	Uraninite ()*	Vesuvianite ()*
Xenotime-(Y) ()*	Yttrotantalite-(Y) ()*	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 Be Bi C Ca Ce Cu F Fe H K Li Mg Mn Mo Na Nb O P S Si Ta Th Ti U Y Zn Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Allanite Beryl Bismutite Clay Clinozoisite Columbite Corundum Epidote Feldspar Fluorite
Gadolinite Malachite Mica Molybdenite Monazite None Not in a structural group Olivine Quartz Rutile
Scheelite Spinel Stibnite Topaz Triplite Vesuvianite Zircon

43 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)			10	190560,190562,190565,190566,190567,190569,190577,190578,190583,190584	8803
Allanite-(Ce) ()*	Allanite Epidote	CaCe(Al₂Fe²⁺)[Si₂O₇][SiO₄]O(OH)			4	190562,190566,190581,190586	706
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂			1	190567	5509
Bertrandite ()*	Not in a structural group	Be₄Si₂O₇(OH)₂			3	190560,190565,190583	606
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	1743.92	1603.92	16	190559,190560,190561,190562,190565,190567,190570,190574,190575,190576,190580,190581,190583,190586,190587,190591	4286
Bismuthinite ()*	Stibnite	Bi₂S₃			3	190560,190562,190570	1935
Bismutite ()*	Bismutite	Bi₂O₂(CO₃)			3	190560,190562,190570	716
Chrysoberyl ()*	Olivine	BeAl₂O₄			3	190568,190570,190578	321
Columbite-(Fe) ()*	Columbite	Fe²⁺Nb₂O₆			1	190562	518
Columbite-(Mn) ()*	Columbite	Mn²⁺Nb₂O₆			1	190583	289
Corundum ()*	Corundum	Al₂O₃			1	190568	1797
Dypingite ()*	None	Mg₅(CO₃)₄(OH)₂·5H₂O			1	190579	50
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)			1	190568	8173
Euxenite-(Y) ()*	Columbite	Y(NbTi)O₆			2	190562,190591	414
Fergusonite-(Y) ()*	Scheelite	YNbO₄	1743.92	1603.92	1	190580	196
Ferrimolybdite ()*	None	Fe³⁺₂(Mo⁶⁺O₄)₃·7H₂O	1743.92	1603.92	1	190580	345
Fluorite ()*	Fluorite	CaF₂			1	190585	9617
Gadolinite-(Ce) ()*	Gadolinite	Ce₂Fe²⁺Be₂O₂(SiO₄)₂	1743.92	1603.92	1	190580	31
Gahnite ()*	Spinel	ZnAl₂O₄			1	190590	445
Kyanite ()*	Not in a structural group	Al₂OSiO₄			1	190578	1507
Lansfordite ()*	None	Mg(CO₃)·5H₂O			1	190579	17
Lithiophilite ()*	Olivine	LiMn²⁺(PO₄)			1	190562	155
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1743.92	1603.92	7	190559,190561,190566,190569,190580,190581,190589	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂			3	190567,190569,190577	12537
Microcline ()*	Feldspar	K(AlSi₃O₈)	1743.92	1603.92	19	190560,190562,190565,190566,190567,190568,190569,190570,190572,190576,190577,190578,190580,190582,190583,190584,190585,190589,190591	4924
Molybdenite ()*	Molybdenite	MoS₂	1743.92	1603.92	2	190565,190580	5800
Monazite-(Ce) ()*	Monazite	Ce(PO₄)			1	190562	945
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1743.92	1603.92	16	190560,190562,190565,190566,190567,190568,190570,190575,190578,190580,190582,190585,190586,190587,190589,190591	17380
Nesquehonite ()*	None	Mg(CO₃)·3H₂O			1	190579	80
Quartz ()*	Quartz	SiO₂	1743.92	1603.92	18	190560,190561,190562,190565,190566,190567,190568,190569,190570,190572,190575,190577,190578,190580,190582,190584,190585,190589	61156
Rutile ()*	Rutile	TiO₂			2	190568,190590	5614
Samarskite-(Y) ()*	Columbite	YFe³⁺Nb₂O₈	1743.92	1603.92	4	190562,190576,190580,190591	353
Sillimanite ()*	Not in a structural group	Al₂SiO₅			1	190590	1516
Tantalite-(Mn) ()*	Columbite	Mn²⁺Ta₂O₆			1	190567	211
Thorite ()*	Zircon	Th(SiO₄)			2	190583,190591	1006
Topaz ()*	Topaz	Al₂SiO₄F₂			4	190562,190583,190586,190590	1476
Triphylite ()*	Olivine	LiFe²⁺(PO₄)			1	190562	313
Triplite ()*	Triplite	Mn²⁺₂(PO₄)F			1	190568	233
Uraninite ()*	Fluorite	UO₂	1743.92	1603.92	2	190560,190580	2718
Vesuvianite ()*	Vesuvianite	(Ca,Na)₁₉(Al,Mg,Fe)₁₃(SiO₄)₁₀(Si₂O₇)₄(OH,F,O)₁₀			1	190564	1395
Xenotime-(Y) ()*	Zircon	Y(PO₄)	1743.92	1603.92	2	190562,190580	939
Yttrotantalite-(Y) ()*	Columbite	(Y,U,Fe²⁺)(Ta,Nb)(O,OH)₄	1743.92	1603.92	1	190580	51
Zircon ()*	Zircon	Zr(SiO₄)			5	190560,190562,190571,190586,190590	5251

1 Ages assigned to this locality:

	Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Run Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
	USGS-Rb-Sr-04308	1743.92	1603.92	1673.92±70	Rb-Sr	age of intrusion		whole rock							6280	Roscoe Beryl Mine (Roscoe Pegmatite), Clear Creek Pegmatite Province, Jefferson Co., Colorado, USA		USGS-Rb-Sr		USGS-Rb-Sr

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...