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:
Nederland District, Boulder Co., Colorado, USA

Oldest recorded age at locality: 1905
Youngest recorded age at locality: 50.2

mindat Locality ID: 3593
mindat URL: http://www.mindat.org/loc-3593.html

Tectonic Settings:

Total number of sublocalities beneath "Nederland District, Boulder Co., Colorado, USA": 61
Total number of bottom-level sublocalities: 59

Number of Child Localities: 59
Child Localities:
Alahambra
Allied Gold Mining Company
Alton Tunnel Occurrence (Pine Grove)
Anchor
Audophone
Ben C. Lowell
Black Bear
Bluebird Mine
Boodle
California
Clara May
Clyde Mine (Lily Mine; Gale Mine; Hoosier; Western Star)
Cold Spring Nos. 2 & 4 Occurrence
Congo Chief
Cougar (Greyback Occurrence)
Dutch Park And Silver Point
Eskimo
Ford
Forest Home Lode (Forest Home & Cold Spring)
Gold Farm
Gordon Gulch
Grant County
Great Northern
Happy Thought
Hereafter
Homestake
Jasper Tunnel Occurrence
Junior Shaft
Little Pittsburg
Magnolia
Mary V
May Blossom (Eclipse M. S.; Eclipse; Sherry; Potosi; Maggie Occurrence)
May Blossom No. 2
Nederland
Ophir
Otego
Resumption Placer (Gold King; Copper Queen Nos. 2-9)
Rocky Mountain Gold Mines
Roger Patent
Santa La Saria
Scandia Vein Occurrence
Sherwood Gulch
Silver King
Silver Lake Dam
Spring Bear
Stevens Camp Tunnels
Telephone
Tip Top
Unknown Gold - Silver Occurrence (MRDS - 10017191)
Unknown Gold Occurrence (MRDS - 10017272)
Unknown Gold Occurrence (MRDS - 10017285)
Unknown Gold Occurrence (MRDS - 10091233)
Unknown Gold Occurrence (MRDS - 10091288)
Unknown Silver - Gold Occurrence (MRDS - 10091285)
Vasco No. 7
Vinegar
Virginia Shaft
Wagner
Western Slope

Latitude: 39°58'39"N
Longitude: 105°27'48"W
Decimal Degree (lat, lon): 39.9775,-105.46333333333

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	Alunite	Amorphous	Baryte	Chalcopyrite	Clay	Columbite	Copper	Corundum	Diaspore
Fluorite	Kaolinite	Melonite	Molybdenite	None	Polybasite	Pyrite	Quartz	Rocksalt	Smectite-vermiculite
Sphalerite	Tetrahedrite

Alabandite ()*	Allophane ()*	Altaite ()*	Baryte ()*	Beidellite ()*
Calaverite ()*	Chalcopyrite ()*	Dickite ()*	Ferberite ()*	Fluorite ()*
Freibergite ()*	Galena ()*	Goethite ()*	Gold ()*	Goyazite ()*
Hematite ()*	Hessite ()*	Kaolinite ()*	Miargyrite ()*	Molybdenite ()*
Montmorillonite ()*	Opal ()*	Pearceite ()*	Petzite ()*	Polybasite ()*
Pyrite ()*	Quartz ()*	Silver ()*	Sphalerite ()*	Tetrahedrite-(Zn) ()*

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: Ag Al As Au Ba Ca Cu F Fe H Mg Mn Mo Na O P Pb S Sb Si Sr Te W Zn

Elements from minerals reported directly at this locality: Ag Al As Au Ca Cu Fe H Mg Na O P Pb S Sb Si Sr Te Zn

Structural Groups for minerals in this locality:
Allophane Alunite Amorphous Baryte Chalcopyrite Clay Columbite Copper Corundum Diaspore
Fluorite Kaolinite Melonite Molybdenite None Polybasite Pyrite Quartz Rocksalt Smectite-vermiculite
Sphalerite Tetrahedrite

30 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
Alabandite ()*	Rocksalt	MnS			1	184989	312
Allophane ()*	Allophane	Al₂O₃(SiO₂)_1.3-2.0·2.5-3.0H₂O	1905	50.2	0		470
Altaite ()*	Rocksalt	PbTe	1905	50.2	0		489
Baryte ()*	Baryte	Ba(SO₄)			1	184982	11547
Beidellite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3Al₂(Si,Al)₄O₁₀(OH)₂·nH₂O			1	184982	85
Calaverite ()*	Melonite	AuTe₂	1905	50.2	0		361
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1905	50.2	0		27198
Dickite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	1905	50.2	0		651
Ferberite ()*	Columbite	Fe²⁺(WO₄)			5	184982,184989,185005,185020,185027	551
Fluorite ()*	Fluorite	CaF₂			1	185005	9617
Freibergite ()*	Tetrahedrite	Ag₆[Cu₄Fe₂]Sb₄S₁₂	1905	50.2	0		663
Galena ()*	Rocksalt	PbS			1	185005	24243
Goethite ()*	Diaspore	FeO(OH)	1905	50.2	0		7437
Gold ()*	Copper	Au	69.3	50.2	12	184973,184978,184997,185002,185008,185012,185021,185022,185023,185024,185025,185026	30554
Goyazite ()*	Alunite	SrAl₃(PO₄)(PO₃OH)(OH)₆	1905	50.2	0		173
Hematite ()*	Corundum	Fe₂O₃			1	184982	14640
Hessite ()*	None	Ag₂Te	1905	50.2	0		804
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄			1	184982	5591
Miargyrite ()*	None	AgSbS₂	1905	50.2	0		300
Molybdenite ()*	Molybdenite	MoS₂			2	184982,184985	5800
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	1905	50.2	0		1508
Opal ()*	Amorphous	SiO₂·nH₂O			1	184982	2994
Pearceite ()*	Polybasite	[Ag₉CuS₄][(Ag,Cu)₆(As,Sb)₂S₇]			1	185014	249
Petzite ()*	None	Ag₃AuTe₂	1905	50.2	0		409
Polybasite ()*	Polybasite	[Ag₉CuS₄][(Ag,Cu)₆(Sb,As)₂S₇]	1905	50.2	0		716
Pyrite ()*	Pyrite	FeS₂			1	184982	39462
Quartz ()*	Quartz	SiO₂			3	184982,185005,185020	61156
Silver ()*	Copper	Ag	69.3	50.2	4	184973,184978,185021,185026	5186
Sphalerite ()*	Sphalerite	ZnS			1	185005	21482
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	1905	50.2	0		5317

18 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Sample Source	Sample Num	MinDat Locality ID	Dated Locality (Max Age)	Reference	Reference ID
NAVDAT-32650	68	58	63±5				32650	110167	Jasper Tunnel Occurrence, Nederland District, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32698	67.8	50.2	59±8.8				32698	110167	Jasper Tunnel Occurrence, Nederland District, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32602	69.3	56.7	63±6.3				32602	110569	Unknown Silver - Gold Occurrence (MRDS - 10091285), Nederland District, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32622	69.3	56.7	63±6.3				32622	110569	Unknown Silver - Gold Occurrence (MRDS - 10091285), Nederland District, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32694	67.8	50.2	59±8.8				32694	110569	Unknown Silver - Gold Occurrence (MRDS - 10091285), Nederland District, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32701	69.3	56.7	63±6.3				32701	110569	Unknown Silver - Gold Occurrence (MRDS - 10091285), Nederland District, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32702	69.3	56.7	63±6.3				32702	110569	Unknown Silver - Gold Occurrence (MRDS - 10091285), Nederland District, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32780	68	58	63±5				32780	110569	Unknown Silver - Gold Occurrence (MRDS - 10091285), Nederland District, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32630	68	58	63±5				32630	110601	Virginia Shaft, Nederland District, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
USGS-Rb-Sr-05809	1905	1645	1775±130	Rb-Sr		whole rock		110601	Virginia Shaft, Nederland District, Boulder Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-05810	1881.16	1704.4	1792.78±88.38	Rb-Sr		whole rock		110601	Virginia Shaft, Nederland District, Boulder Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-05812	1905	1645	1775±130	Rb-Sr		whole rock		110601	Virginia Shaft, Nederland District, Boulder Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-05813	1881.16	1704.4	1792.78±88.38	Rb-Sr		whole rock		110601	Virginia Shaft, Nederland District, Boulder Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-05814	1514.98	1460.54	1487.76±27.22	Rb-Sr	age of metamorphic crystallization	whole rock		110601	Virginia Shaft, Nederland District, Boulder Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-05815	1514.98	1460.54	1487.76±27.22	Rb-Sr	age of metamorphic crystallization	whole rock		110601	Virginia Shaft, Nederland District, Boulder Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-05816	1514.98	1460.54	1487.76±27.22	Rb-Sr	age of metamorphic crystallization	whole rock		110601	Virginia Shaft, Nederland District, Boulder Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-05817	1514.98	1460.54	1487.76±27.22	Rb-Sr	age of metamorphic crystallization	whole rock		110601	Virginia Shaft, Nederland District, Boulder Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-05819	1514.98	1460.54	1487.76±27.22	Rb-Sr	age of metamorphic crystallization	whole rock		110601	Virginia Shaft, Nederland District, Boulder 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...