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, Calumet Township, Houghton Co., Michigan, USA

mindat Locality ID: 5573
mindat URL: http://www.mindat.org/loc-5573.html

Tectonic Settings:

Total number of sublocalities beneath "Calumet, Calumet Township, Houghton Co., Michigan, USA": 10
Total number of bottom-level sublocalities: 9

Number of Child Localities: 5
Child Localities:
Calumet & Hecla Mine
Calumet No. 1 (Osceola Crosscut; Centennial; Tamarack Jr.; Schoolcraft; Calumet And Hecla; C & H)
Calumet No. 2
Old Colony Exploration Prospect
South Hecla Mine

Latitude: 47°14'49"N
Longitude: 88°25'54"W
Decimal Degree (lat, lon): 47.246944444444,-88.431666666667

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.

Analcime	Baryte	Calcite	Chalcopyrite	Clay	Clinozoisite	Copper	Epidote	Feldspar	Gadolinite
Malachite	Marcasite	None	Not in a structural group	Prehnite	Pyrite	Quartz	Scheelite	Smectite-vermiculite	Sphalerite
Titanite

Analcime ()*	Baryte ()*	Calcite ()*	Chalcocite ()*	Chalcopyrite ()*
Copper ()*	Cuprite ()*	Datolite ()*	Epidote ()*	Kinoite ()*
Laumontite ()*	Malachite ()*	Marcasite ()*	Microcline ()*	Orthoclase ()*
Powellite ()*	Prehnite ()*	Pyrite ()*	Quartz ()*	Saponite ()*
Silver ()*	Sphalerite ()*	Tenorite ()*	Titanite ()*

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 B Ba C Ca Cu Fe H K Mg Mo Na O S Si Ti Zn

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

Structural Groups for minerals in this locality:
Analcime Baryte Calcite Chalcopyrite Clay Clinozoisite Copper Epidote Feldspar Gadolinite
Malachite Marcasite None Not in a structural group Prehnite Pyrite Quartz Scheelite Smectite-vermiculite Sphalerite
Titanite

24 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	2	220511,220514	1627
Baryte ()*	Baryte	Ba(SO₄)	1	220510	11547
Calcite ()*	Calcite	Ca(CO₃)	4	220506,220507,220514,220515	27770
Chalcocite ()*	None	Cu₂S	1	220506	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	220507	27198
Copper ()*	Copper	Cu	5	220506,220507,220511,220514,220515	3846
Cuprite ()*	Not in a structural group	Cu₂O	1	220506	2970
Datolite ()*	Gadolinite	CaB(SiO₄)(OH)	4	220506,220507,220511,220514	498
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	6	220506,220507,220511,220512,220514,220515	8173
Kinoite ()*	None	Ca₂Cu₂Si₃O₁₀·2H₂O	0		17
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	1	220506	1271
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	1	220506	12537
Marcasite ()*	Marcasite	FeS₂	1	220507	5674
Microcline ()*	Feldspar	K(AlSi₃O₈)	1	220506	4924
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	1	220506	2349
Powellite ()*	Scheelite	Ca(MoO₄)	2	220511,220515	494
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	4	220506,220512,220514,220515	1898
Pyrite ()*	Pyrite	FeS₂	1	220507	39462
Quartz ()*	Quartz	SiO₂	5	220506,220507,220511,220512,220514	61156
Saponite ()*	Clay Smectite-vermiculite	(Ca,Na)_0.3(Mg,Fe)₃(Si,Al)₄O₁₀(OH)₂·4H₂O	0		301
Silver ()*	Copper	Ag	3	220506,220507,220515	5186
Sphalerite ()*	Sphalerite	ZnS	1	220507	21482
Tenorite ()*	None	CuO	1	220506	1101
Titanite ()*	Titanite	CaTi(SiO₄)O	1	220511	4899

No ages have been assigned to this locality yet.

All locality data graciously provided by mindat.org

All age data...