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:
Calumet Mine (Calumet; Calumet No. 2; Hecla; Hecla No. 2; Calumet Iron Mine; Calumet-Hecla-Smithville Magnetite Deposit; Patented Placer Claims: Calumet; Hecla-Williamson; Smithville No. 2; CF&I Company Mine), Turret District, Chaffee Co., Colorado, USA

Oldest recorded age at locality: 77
Youngest recorded age at locality: 67

mindat Locality ID: 5572
mindat URL: http://www.mindat.org/loc-5572.html

Tectonic Settings:

Total number of sublocalities beneath "Calumet Mine (Calumet; Calumet No. 2; Hecla; Hecla No. 2; Calumet Iron Mine; Calumet-Hecla-Smithville Magnetite Deposit; Patented Placer Claims: Calumet; Hecla-Williamson; Smithville No. 2; CF&I Company Mine), Turret District, Chaffee Co., Colorado, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 38°38'13"N
Longitude: 105°56'52"W
Decimal Degree (lat, lon): 38.636944444444,-105.94777777778

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.

Amphibole	Calcite	Chalcopyrite	Clay	Clinozoisite	Corundum	Epidote	Feldspar	Garnet	Kaolinite
Malachite	None	Not in a structural group	Pyrite	Pyrophyllite	Pyroxene	Quartz	Rutile	Scheelite	Smectite-vermiculite
Spinel	Titanite

Actinolite ()*	Albite ()*	Augite ()*	Calcite ()*	Chalcopyrite ()*
Corundum ()*	Diopside ()*	Epidote ()*	Graphite ()*	Grossular ()*
Hematite ()*	Kaolinite ()*	Laumontite ()*	Magnesite ()*	Magnetite ()*
Malachite ()*	Pyrite ()*	Pyrophyllite ()*	Quartz ()*	Rutile ()*
Scheelite ()*	Sillimanite ()*	Titanite ()*	Tremolite ()*	Vermiculite ()*

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 C Ca Cu Fe H Mg Na O S Si Ti W

Elements from minerals reported directly at this locality: Al C Ca Cu Fe H Mg Na O S Si Ti W

Structural Groups for minerals in this locality:
Amphibole Calcite Chalcopyrite Clay Clinozoisite Corundum Epidote Feldspar Garnet Kaolinite
Malachite None Not in a structural group Pyrite Pyrophyllite Pyroxene Quartz Rutile Scheelite Smectite-vermiculite
Spinel Titanite

25 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂	77	67	3419
Albite ()*	Feldspar	Na(AlSi₃O₈)	77	67	8803
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	77	67	2060
Calcite ()*	Calcite	Ca(CO₃)	77	67	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	77	67	27198
Corundum ()*	Corundum	Al₂O₃	77	67	1797
Diopside ()*	Pyroxene	CaMgSi₂O₆	77	67	4135
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	77	67	8173
Graphite ()*	None	C	77	67	2812
Grossular ()*	Garnet	Ca₃Al₂(SiO₄)₃	77	67	1544
Hematite ()*	Corundum	Fe₂O₃	77	67	14640
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	77	67	5591
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	77	67	1271
Magnesite ()*	Calcite	Mg(CO₃)	77	67	1487
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	77	67	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	77	67	12537
Pyrite ()*	Pyrite	FeS₂	77	67	39462
Pyrophyllite ()*	Clay Pyrophyllite	Al₂Si₄O₁₀(OH)₂	77	67	771
Quartz ()*	Quartz	SiO₂	77	67	61156
Rutile ()*	Rutile	TiO₂	77	67	5614
Scheelite ()*	Scheelite	Ca(WO₄)	77	67	4894
Sillimanite ()*	Not in a structural group	Al₂SiO₅	77	67	1516
Titanite ()*	Titanite	CaTi(SiO₄)O	77	67	4899
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	77	67	2562
Vermiculite ()*	Clay Smectite-vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄·8H₂O	77	67	652

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
	NAVDAT-35653	77	67	72±5					35653						5572	Calumet Mine (Calumet; Calumet No. 2; Hecla; Hecla No. 2; Calumet Iron Mine; Calumet-Hecla-Smithville Magnetite Deposit; Patented Placer Claims: Calumet; Hecla-Williamson; Smithville No. 2; CF&I Company Mine), Turret District, Chaffee Co., Colorado, USA		NAVDAT		NAVDAT

Sample	Source Locality	Reference URL
R050131	Calumet Mine (Calumet; Calumet No. 2; Hecla; Hecla No. 2; Calumet Iron Mine; Calumet-Hecla-Smithville Magnetite Deposit; Patented Placer Claims: Calumet; Hecla-Williamson; Smithville No. 2; CF&I Company Mine), Turret District, Chaffee Co., Colorado, USA	https://rruff.info/R050131

All locality data graciously provided by mindat.org

All age data...