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:
Gaastra, Menominee Iron Range, Iron Co., Michigan, USA

mindat Locality ID: 213925
mindat URL: http://www.mindat.org/loc-213925.html

Tectonic Settings:

Total number of sublocalities beneath "Gaastra, Menominee Iron Range, Iron Co., Michigan, USA": 76
Total number of bottom-level sublocalities: 57

Number of Child Localities: 15
Child Localities:
Brule Exploration (McDonald Exploration)
Buck Group
Fe Prospect (MRDS - 10194443)
Fe Prospect (MRDS - 10243808)
Fe Prospect (MRDS - 10267544)
Fe Prospects (MRDS - 10146077)
Fe Prospects (MRDS - 10292218)
Greenhoot Exploration Drill Hole G1
Jones And Laughlin Exploration
North Range Exploration Drill Hole NR2
Pacific Isles Exploration
Saunders Exploration
St. Claire Exploration
Wakefield Exploration (Girard Exploration) Drill Hole W1
Youngs Mine (Newman Mine)

Latitude: 46°3'1"N
Longitude: 88°35'45"W
Decimal Degree (lat, lon): 46.050277777778,-88.595833333333

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.

Baryte	Calcite	Chalcopyrite	Clay	Corundum	Diaspore	Fluorite	Fritzscheite	Kaolinite	Malachite
Marcasite	Meta-autunite	None	Pyrite	Quartz	Rocksalt	Sphalerite	Stilpnomelane	Wurtzite

Baryte ()*	Bassetite ()*	Bornite ()*	Calcite ()*	Chalcocite ()*
Chalcopyrite ()*	Dickite ()*	Galena ()*	Goethite ()*	Greenockite ()*
Hematite ()*	Malachite ()*	Marcasite ()*	Meta-autunite ()*	Metatorbernite ()*
Metatyuyamunite ()*	Pyrite ()*	Quartz ()*	Siderite ()*	Sphalerite ()*
Stilpnomelane ()*	Uraninite ()*

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 Ba C Ca Cd Cu Fe H K Mg Na O P Pb S Si U V Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Baryte Calcite Chalcopyrite Clay Corundum Diaspore Fluorite Fritzscheite Kaolinite Malachite
Marcasite Meta-autunite None Pyrite Quartz Rocksalt Sphalerite Stilpnomelane Wurtzite

22 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Baryte ()*	Baryte	Ba(SO₄)	1	221016	11547
Bassetite ()*	None	Fe²⁺(UO₂)₂(PO₄)₂(H₂O)₁₀	1	221016	51
Bornite ()*	None	Cu₅FeS₄	1	221016	5516
Calcite ()*	Calcite	Ca(CO₃)	1	221016	27770
Chalcocite ()*	None	Cu₂S	1	221016	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	221016	27198
Dickite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	1	221016	651
Galena ()*	Rocksalt	PbS	1	221016	24243
Goethite ()*	Diaspore	FeO(OH)	9	221002,221005,221006,221016,221017,221036,221038,221045,221073	7437
Greenockite ()*	Wurtzite	CdS	1	221016	717
Hematite ()*	Corundum	Fe₂O₃	9	221002,221005,221006,221016,221017,221036,221038,221045,221073	14640
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	1	221016	12537
Marcasite ()*	Marcasite	FeS₂	1	221016	5674
Meta-autunite ()*	Meta-autunite	Ca(UO₂)₂(PO₄)₂·6H₂O	1	221016	388
Metatorbernite ()*	None	Cu(UO₂)₂(PO₄)₂·8H₂O	1	221016	443
Metatyuyamunite ()*	Fritzscheite	Ca(UO₂)₂(VO₄)₂·3H₂O	1	221016	129
Pyrite ()*	Pyrite	FeS₂	9	221002,221005,221006,221016,221017,221036,221038,221045,221073	39462
Quartz ()*	Quartz	SiO₂	1	221016	61156
Siderite ()*	Calcite	Fe(CO₃)	9	221002,221005,221006,221016,221017,221036,221038,221045,221073	6417
Sphalerite ()*	Sphalerite	ZnS	1	221016	21482
Stilpnomelane ()*	Stilpnomelane Clay	(K,Ca,Na)(Fe,Mg,Al)₈(Si,Al)₁₂(O,OH)₃₆·nH₂O	9	221002,221005,221006,221016,221017,221036,221038,221045,221073	456
Uraninite ()*	Fluorite	UO₂	1	221016	2718

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...