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:
Apex District, Gilpin Co., Colorado, USA

Oldest recorded age at locality: 73.7
Youngest recorded age at locality: 53

mindat Locality ID: 49889
mindat URL: http://www.mindat.org/loc-49889.html

Tectonic Settings:

Total number of sublocalities beneath "Apex District, Gilpin Co., Colorado, USA": 53
Total number of bottom-level sublocalities: 52

Number of Child Localities: 52
Child Localities:
Alice
Aurelia
Belfast & Shamrock (Belfast)
Bennett
Black Hills Vein Occurrence
Blaternick; Hill & Gold Tunnel Occurrence
Buckeye; Golden Sun; Fairhaven; Mellet; Lone Star; Moon Gulch; Pionee Occurrence
Caledonia Lode
Chahuahua
Charcoal Charlie Vein Occurrence
Columbia
Early Bird Occurrence
Elliot Mine (Wealthy Lode Claim)
Evergreen Mine (Gold Standard; Nancy Lee)
Fish
Geiger Vein Occurrence
Gold Chief Mine
Gold Reserve; Montana Hill
Golden Flint
Grant No. 10; 11; 12
Haywood
Ingram
Jess Lode
Little Johnny; Little Mary
Little Melvin Lode
Lode Star Occurrence
Mackey; Annie; Fish
Melett
Melrose Tunnel Occurrence
Melvin Tungsten Mine
Michigan Hill
Mountain Chief
Nye - Mathews (Wilma Mine)
Old Kentucky
Pettibone
Plateau; Bullion
Quincy Bart Altantic
Reliance Lode
Rooks County Occurrence
Schultz Wonder Mine
Snowden; Golden Rod Occurrence
Stewart
Tacoma Tunnel
Unknown Gold - Silver Occurrence (MRDS - 10018586)
Unknown No. 1 Occurrence (MRDS - 10018589)
Unknown Silver - Gold Occurrence (MRDS - 10018560)
Unknown Silver - Gold Occurrence (MRDS - 10018562)
Unknown Silver - Gold Occurrence (MRDS - 10018575)
Unknown Silver - Gold Occurrence (MRDS - 10018585)
Unknown Silver - Gold Occurrence (MRDS - 10018590)
Unknown Silver - Gold Occurrence (MRDS - 10018593)
Velvet Valley Occurrence

Latitude: 39°52'21"N
Longitude: 105°33'46"W
Decimal Degree (lat, lon): 39.8725,-105.56277777778

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	Calcite	Chalcopyrite	Copper	Corundum	Covellite	Enargite	Fluorite	Garnet	Malachite
Molybdenite	None	Pyrite	Pyroxene	Quartz	Rocksalt	Sphalerite	Spinel	Tetrahedrite	Titanite
Wollastonite	Wurtzite	Zircon

Almandine ()*	Andradite ()*	Augite ()*	Bornite ()*	Calcite ()*
Chalcocite ()*	Chalcopyrite ()*	Chrysocolla ()*	Copper ()*	Covellite ()*
Enargite ()*	Ferrimolybdite ()*	Galena ()*	Gold ()*	Hematite ()*
Magnetite ()*	Malachite ()*	Molybdenite ()*	Pyrite ()*	Quartz ()*
Silver ()*	Sphalerite ()*	Tetrahedrite-(Zn) ()*	Titanite ()*	Uraninite ()*
Wollastonite ()*	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: Ag Al As Au C Ca Cu Fe H Mg Mo O Pb S Sb Si Ti U Zn Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Allophane Calcite Chalcopyrite Copper Corundum Covellite Enargite Fluorite Garnet Malachite
Molybdenite None Pyrite Pyroxene Quartz Rocksalt Sphalerite Spinel Tetrahedrite Titanite
Wollastonite Wurtzite Zircon

27 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
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃			1	188807	2353
Andradite ()*	Garnet	Ca₃Fe³⁺₂(SiO₄)₃			1	188807	1534
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆			1	188807	2060
Bornite ()*	None	Cu₅FeS₄			1	188807	5516
Calcite ()*	Calcite	Ca(CO₃)			1	188807	27770
Chalcocite ()*	None	Cu₂S			1	188807	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂			3	188797,188807,188815	27198
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O			1	188807	3531
Copper ()*	Copper	Cu			2	188820,188822	3846
Covellite ()*	Covellite	CuS			1	188807	4165
Enargite ()*	Enargite Wurtzite	Cu₃AsS₄			1	188807	910
Ferrimolybdite ()*	None	Fe³⁺₂(Mo⁶⁺O₄)₃·7H₂O			1	188827	345
Galena ()*	Rocksalt	PbS			3	188807,188815,188846	24243
Gold ()*	Copper	Au	73.7	58	22	188794,188798,188799,188800,188803,188805,188809,188811,188815,188820,188822,188826,188830,188833,188835,188838,188840,188841,188842,188843,188844,188845	30554
Hematite ()*	Corundum	Fe₂O₃			1	188807	14640
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄			1	188807	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂			1	188807	12537
Molybdenite ()*	Molybdenite	MoS₂			1	188827	5800
Pyrite ()*	Pyrite	FeS₂	73.7	58	6	188797,188807,188815,188827,188833,188846	39462
Quartz ()*	Quartz	SiO₂			3	188797,188807,188827	61156
Silver ()*	Copper	Ag	73.7	58	15	188798,188799,188800,188805,188815,188822,188830,188833,188838,188840,188841,188842,188843,188844,188845	5186
Sphalerite ()*	Sphalerite	ZnS			1	188807	21482
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃			1	188807	5317
Titanite ()*	Titanite	CaTi(SiO₄)O			1	188807	4899
Uraninite ()*	Fluorite	UO₂			2	188806,188839	2718
Wollastonite ()*	Wollastonite	CaSiO₃			1	188807	1247
Zircon ()*	Zircon	Zr(SiO₄)			1	188807	5251

6 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Sample Num	MinDat Locality ID	Dated Locality (Max Age)	Reference	Reference ID
NAVDAT-32755	68	58	63±5	32755	113456	Jess Lode, Apex District, Gilpin Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32758	68	58	63±5	32758	113456	Jess Lode, Apex District, Gilpin Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-128220	63	53	58±5	128220	113318	Big Bertha, Michigan Hill, Apex District, Gilpin Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32680	68	58	63±5	32680	113553	Rooks County Occurrence, Apex District, Gilpin Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32764	73.7	60.3	67±6.7	32764	113553	Rooks County Occurrence, Apex District, Gilpin Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-32790	68	58	63±5	32790	113553	Rooks County Occurrence, Apex District, Gilpin Co., Colorado, USA	NAVDAT	NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...