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:
Mass City, Ontonagon Co., Michigan, USA

mindat Locality ID: 14448
mindat URL: http://www.mindat.org/loc-14448.html

Tectonic Settings:

Total number of sublocalities beneath "Mass City, Ontonagon Co., Michigan, USA": 17
Total number of bottom-level sublocalities: 16

Number of Child Localities: 12
Child Localities:
Algomah Mine
Belt Mine (Piscatauqua)
Butler Mine
Caledonia Mine
Evergreen Bluff Mine
Flintsteel Mine (Nassau Mine; Old Flintsteel Mine; Superior-Nassau Superior Mine)
Knowlton Mine
Lake Mine (Great Western Mine; Bohemian)
Mass Consolidated Mine
Nebraska Mine
South Lake Mine (Aztec Mine)
Toltec Mine

Latitude: 46°46'8"N
Longitude: 89°4'26"W
Decimal Degree (lat, lon): 46.768888888889,-89.073888888889

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	Atacamite	Brochantite	Calcite	Chlorite	Clay	Clinozoisite	Columbite	Copper	Corundum
Diaspore	Epidote	Feldspar	Gadolinite	Gypsum	Malachite	None	Not in a structural group	Plancheite	Prehnite
Pumpellyite	Quartz	Smectite-vermiculite	Sphalerite

Algodonite ()*	Anhydrite ()*	Atacamite ()*	Azurite ()*	Brochantite ()*
Calcite ()*	Chrysocolla ()*	Clinochlore ()*	Copper ()*	Crednerite ()*
Cuprite ()*	Datolite ()*	Dioptase ()*	Epidote ()*	Ferberite ()*
Gerhardtite ()*	Goethite ()*	Gypsum ()*	Hematite ()*	Kinoite ()*
Likasite ()*	Malachite ()*	Microcline ()*	Nantokite ()*	Paramelaconite ()*
Paratacamite ()*	Plancheite ()*	Prehnite ()*	Pumpellyite-(Mg) ()*	Quartz ()*
Saponite ()*	Silver ()*	Tenorite ()*

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 C Ca Cl Cu Fe H K Mg Mn N Na O S Si W Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Allophane Atacamite Brochantite Calcite Chlorite Clay Clinozoisite Columbite Copper Corundum
Diaspore Epidote Feldspar Gadolinite Gypsum Malachite None Not in a structural group Plancheite Prehnite
Pumpellyite Quartz Smectite-vermiculite Sphalerite

33 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Algodonite ()*	Not in a structural group	Cu_1-xAs_x (x ≈ 0.15)	1	222686	41
Anhydrite ()*	Not in a structural group	Ca(SO₄)	1	222696	1588
Atacamite ()*	Atacamite	Cu₂Cl(OH)₃	1	222686	544
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	1	222686	5509
Brochantite ()*	Brochantite	Cu₄(SO₄)(OH)₆	1	222689	1633
Calcite ()*	Calcite	Ca(CO₃)	10	222686,222687,222689,222691,222693,222694,222696,222699,222701,222702	27770
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	2	222686,222696	3531
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	1	222689	1756
Copper ()*	Copper	Cu	13	222686,222687,222689,222690,222691,222692,222693,222694,222696,222699,222700,222701,222702	3846
Crednerite ()*	None	CuMnO₂	1	222686	35
Cuprite ()*	Not in a structural group	Cu₂O	2	222686,222689	2970
Datolite ()*	Gadolinite	CaB(SiO₄)(OH)	13	222686,222687,222688,222689,222690,222691,222692,222693,222694,222696,222698,222699,222701	498
Dioptase ()*	None	CuSiO₃·H₂O	1	222686	164
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	12	222686,222687,222689,222690,222691,222693,222694,222696,222699,222700,222701,222702	8173
Ferberite ()*	Columbite	Fe²⁺(WO₄)	1	222687	551
Gerhardtite ()*	None	Cu₂(NO₃)(OH)₃	1	222689	24
Goethite ()*	Diaspore	FeO(OH)	1	222689	7437
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	2	222693,222696	6890
Hematite ()*	Corundum	Fe₂O₃	2	222686,222689	14640
Kinoite ()*	None	Ca₂Cu₂Si₃O₁₀·2H₂O	1	222686	17
Likasite ()*	None	Cu₃(NO₃)(OH)₅·2H₂O	1	222689	11
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	3	222686,222687,222698	12537
Microcline ()*	Feldspar	K(AlSi₃O₈)	4	222689,222690,222696,222700	4924
Nantokite ()*	Sphalerite	CuCl	1	222686	35
Paramelaconite ()*	None	Cu¹⁺₂Cu²⁺₂O₃	2	222686,222696	13
Paratacamite ()*	Atacamite	Cu₃(Cu,Zn)Cl₂(OH)₆	1	222686	158
Plancheite ()*	Plancheite	Cu₈(Si₄O₁₁)₂(OH)₄·H₂O	2	222686,222696	74
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	4	222689,222696,222701,222702	1898
Pumpellyite-(Mg) ()*	Pumpellyite	Ca₂MgAl₂(Si₂O₇)(SiO₄)(OH)₂·H₂O	9	222686,222687,222689,222691,222692,222693,222694,222701,222702	106
Quartz ()*	Quartz	SiO₂	12	222686,222687,222689,222690,222691,222693,222694,222696,222699,222700,222701,222702	61156
Saponite ()*	Clay Smectite-vermiculite	(Ca,Na)_0.3(Mg,Fe)₃(Si,Al)₄O₁₀(OH)₂·4H₂O	2	222686,222689	301
Silver ()*	Copper	Ag	8	222686,222687,222689,222690,222694,222696,222699,222700	5186
Tenorite ()*	None	CuO	2	222686,222696	1101

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...