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:
Cliff Mine, Phoenix, Keweenaw Co., Michigan, USA

Oldest recorded age at locality: 1060
Youngest recorded age at locality: 1047

mindat Locality ID: 6849
mindat URL: http://www.mindat.org/loc-6849.html

Tectonic Settings:

Total number of sublocalities beneath "Cliff Mine, Phoenix, Keweenaw Co., Michigan, USA": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 1
Child Localities:
Avery Shaft

Latitude: 47°22'24"N
Longitude: 88°18'47"W
Decimal Degree (lat, lon): 47.373333333333,-88.313055555556

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.

Acanthite	Allophane	Analcime	Apophyllite	Baryte	Calcite	Chalcopyrite	Chlorite	Clay	Clinozoisite
Copper	Corundum	Covellite	Digenite	Domeykite	Epidote	Feldspar	Gadolinite	Gypsum	Malachite
Natrolite	None	Not in a structural group	Prehnite	Pumpellyite	Pyrite	Quartz	Rhodonite	Rocksalt	Sphalerite
Spinel	Thomsonite	Wollastonite

Acanthite ()*	Albite ()*	Analcime ()*	Anhydrite ()*	Ankerite ()*
Azurite ()*	Babingtonite ()*	Baryte ()*	Calcite ()*	Chalcocite ()*
Chalcopyrite ()*	Chamosite ()*	Chrysocolla ()*	Clinochlore ()*	Copper ()*
Covellite ()*	Cuprite ()*	Datolite ()*	Digenite ()*	Domeykite ()*
Epidote ()*	Fluorapophyllite-(K) ()*	Galena ()*	Gypsum ()*	Hematite ()*
Ilmenite ()*	Laumontite ()*	Magnetite ()*	Malachite ()*	Microcline ()*
Natrolite ()*	Prehnite ()*	Pumpellyite-(Mg) ()*	Pyrite ()*	Quartz ()*
Silver ()*	Sphalerite ()*	Tenorite ()*	Thomsonite-Ca ()*	Wollastonite ()*

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

Elements from minerals reported directly at this locality: Ag Al As B C Ca Cu F Fe H K Mg Na O Pb S Si Ti Zn

Structural Groups for minerals in this locality:
Acanthite Allophane Analcime Apophyllite Baryte Calcite Chalcopyrite Chlorite Clay Clinozoisite
Copper Corundum Covellite Digenite Domeykite Epidote Feldspar Gadolinite Gypsum Malachite
Natrolite None Not in a structural group Prehnite Pumpellyite Pyrite Quartz Rhodonite Rocksalt Sphalerite
Spinel Thomsonite Wollastonite

40 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
Acanthite ()*	Acanthite	Ag₂S	1060	1047	0		2793
Albite ()*	Feldspar	Na(AlSi₃O₈)	1060	1047	0		8803
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	1060	1047	0		1627
Anhydrite ()*	Not in a structural group	Ca(SO₄)	1060	1047	0		1588
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	1060	1047	0		3092
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	1060	1047	0		5509
Babingtonite ()*	Rhodonite	Ca₂Fe²⁺Fe³⁺Si₅O₁₄(OH)	1060	1047	0		161
Baryte ()*	Baryte	Ba(SO₄)	1060	1047	1	221953	11547
Calcite ()*	Calcite	Ca(CO₃)	1060	1047	1	221953	27770
Chalcocite ()*	None	Cu₂S	1060	1047	1	221953	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1060	1047	0		27198
Chamosite ()*	Chlorite Clay	(Fe²⁺,Mg,Al,Fe³⁺)₆(Si,Al)₄O₁₀(OH,O)₈	1060	1047	0		577
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	1060	1047	0		3531
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	1060	1047	0		1756
Copper ()*	Copper	Cu	1060	1047	1	221953	3846
Covellite ()*	Covellite	CuS	1060	1047	0		4165
Cuprite ()*	Not in a structural group	Cu₂O	1060	1047	0		2970
Datolite ()*	Gadolinite	CaB(SiO₄)(OH)	1060	1047	0		498
Digenite ()*	Digenite	Cu_1.8S	1060	1047	0		1027
Domeykite ()*	Domeykite	Cu₃As	1060	1047	0		73
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1060	1047	0		8173
Fluorapophyllite-(K) ()*	Apophyllite	KCa₄Si₈O₂₀F·8H₂O	1060	1047	0		303
Galena ()*	Rocksalt	PbS	1060	1047	0		24243
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	1060	1047	0		6890
Hematite ()*	Corundum	Fe₂O₃	1060	1047	1	221953	14640
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1060	1047	0		5433
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	1060	1047	0		1271
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1060	1047	0		14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	1060	1047	0		12537
Microcline ()*	Feldspar	K(AlSi₃O₈)	1060	1047	0		4924
Natrolite ()*	Natrolite	Na₂(Si₃Al₂)O₁₀·2H₂O	1060	1047	0		1236
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	1060	1047	1	221953	1898
Pumpellyite-(Mg) ()*	Pumpellyite	Ca₂MgAl₂(Si₂O₇)(SiO₄)(OH)₂·H₂O	1060	1047	0		106
Pyrite ()*	Pyrite	FeS₂	1060	1047	0		39462
Quartz ()*	Quartz	SiO₂	1060	1047	0		61156
Silver ()*	Copper	Ag	1060	1047	0		5186
Sphalerite ()*	Sphalerite	ZnS	1060	1047	0		21482
Tenorite ()*	None	CuO	1060	1047	0		1101
Thomsonite-Ca ()*	Thomsonite	NaCa₂(Al₅Si₅)O₂₀·6H₂O	1060	1047	0		452
Wollastonite ()*	Wollastonite	CaSiO₃	1060	1047	0		1247

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
	Mo-00057	1060	1047		Rb-Sr						Yes		Kamiokite	Mo	3847	Keweenaw Co., Michigan, USA		Bornhorst et al. (1988)	10.2113/gsecongeo.83.3.619	EG83_619

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...