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:
Isle Royale Mines, Houghton, Houghton Co., Michigan, USA

mindat Locality ID: 3845
mindat URL: http://www.mindat.org/loc-3845.html

Tectonic Settings:

Total number of sublocalities beneath "Isle Royale Mines, Houghton, Houghton Co., Michigan, USA": 5
Total number of bottom-level sublocalities: 5

Number of Child Localities: 5
Child Localities:
Isle Royal No. 1 Shaft
Isle Royal No. 3 Shaft
Isle Royal No. 4 Shaft
Isle Royal No. 5 Shaft
Isle Royal No. 6 Shaft

Latitude: 47°5'50"N
Longitude: 88°34'48"W
Decimal Degree (lat, lon): 47.097222222222,-88.58

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	Andalusite	Apophyllite	Baryte	Brucite	Calcite	Chalcopyrite	Chlorite	Clay	Clinozoisite
Copper	Corundum	Domeykite	Epidote	Gadolinite	Gypsum	Heulandite	Kaolinite	Malachite	Mica
Natrolite	None	Not in a structural group	Prehnite	Pyrite	Quartz	Scheelite	Smectite-vermiculite	Spinel

Analcime ()*	Anhydrite ()*	Ankerite ()*	Azurite ()*	Baryte ()*
Bornite ()*	Brucite ()*	Calcite ()*	Chalcocite ()*	Chalcopyrite ()*
Clinochlore ()*	Copper ()*	Cuprite ()*	Datolite ()*	Dolomite ()*
Domeykite ()*	Epidote ()*	Fluorapophyllite-(K) ()*	Gypsum ()*	Hematite ()*
Heulandite-Ca ()*	Kaolinite ()*	Laumontite ()*	Magnetite ()*	Malachite ()*
Mesolite ()*	Mirabilite ()*	Muscovite ()*	Natrolite ()*	Olivenite ()*
Powellite ()*	Prehnite ()*	Pyrite ()*	Quartz ()*	Saponite ()*
Siderite ()*	Silver ()*

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 Mo Na O S Si

Elements from minerals reported directly at this locality: Al As C Ca Cu F Fe H K Mg Mo Na O S Si

Structural Groups for minerals in this locality:
Analcime Andalusite Apophyllite Baryte Brucite Calcite Chalcopyrite Chlorite Clay Clinozoisite
Copper Corundum Domeykite Epidote Gadolinite Gypsum Heulandite Kaolinite Malachite Mica
Natrolite None Not in a structural group Prehnite Pyrite Quartz Scheelite Smectite-vermiculite Spinel

37 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	0		1627
Anhydrite ()*	Not in a structural group	Ca(SO₄)	3	220560,220561,220562	1588
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	0		3092
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	1	220558	5509
Baryte ()*	Baryte	Ba(SO₄)	3	220560,220561,220562	11547
Bornite ()*	None	Cu₅FeS₄	0		5516
Brucite ()*	Brucite	Mg(OH)₂	0		462
Calcite ()*	Calcite	Ca(CO₃)	4	220558,220560,220561,220562	27770
Chalcocite ()*	None	Cu₂S	0		5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	0		27198
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	0		1756
Copper ()*	Copper	Cu	2	220558,220559	3846
Cuprite ()*	Not in a structural group	Cu₂O	1	220558	2970
Datolite ()*	Gadolinite	CaB(SiO₄)(OH)	2	220559,220562	498
Dolomite ()*	None	CaMg(CO₃)₂	3	220560,220561,220562	9895
Domeykite ()*	Domeykite	Cu₃As	0		73
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	3	220560,220561,220562	8173
Fluorapophyllite-(K) ()*	Apophyllite	KCa₄Si₈O₂₀F·8H₂O	0		303
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	3	220560,220561,220562	6890
Hematite ()*	Corundum	Fe₂O₃	3	220560,220561,220562	14640
Heulandite-Ca ()*	Heulandite	(Ca,Na,K)₅(Si₂₇Al₉)O₇₂·26H₂O	0		246
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	0		5591
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	3	220560,220561,220562	1271
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	0		14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	1	220558	12537
Mesolite ()*	Natrolite	Na₂Ca₂(Si₉Al₆)O₃₀·8H₂O	0		425
Mirabilite ()*	None	Na₂(SO₄)·10H₂O	0		223
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	0		17380
Natrolite ()*	Natrolite	Na₂(Si₃Al₂)O₁₀·2H₂O	0		1236
Olivenite ()*	Andalusite	Cu₂(AsO₄)(OH)	0		492
Powellite ()*	Scheelite	Ca(MoO₄)	0		494
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	4	220558,220560,220561,220562	1898
Pyrite ()*	Pyrite	FeS₂	0		39462
Quartz ()*	Quartz	SiO₂	4	220558,220560,220561,220562	61156
Saponite ()*	Clay Smectite-vermiculite	(Ca,Na)_0.3(Mg,Fe)₃(Si,Al)₄O₁₀(OH)₂·4H₂O	0		301
Siderite ()*	Calcite	Fe(CO₃)	3	220560,220561,220562	6417
Silver ()*	Copper	Ag	1	220558	5186

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...