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:
Empire Mine, Palmer, Marquette Iron Range, Marquette Co., Michigan, USA

mindat Locality ID: 10949
mindat URL: http://www.mindat.org/loc-10949.html

Tectonic Settings:

Total number of sublocalities beneath "Empire Mine, Palmer, Marquette Iron Range, Marquette Co., Michigan, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 46°26'0"N
Longitude: 87°35'"W
Decimal Degree (lat, lon): 46.433333333333,-87.583333333333

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.

Amphibole	Calcite	Chalcopyrite	Clay	Corundum	Diaspore	Feldspar	None	Pyrite	Pyrophyllite
Pyroxene	Quartz	Rutile	Sepiolite	Spinel	Stilpnomelane	Talc	Tourmaline

Aegirine ()*	Augite ()*	Calcite ()*	Chalcopyrite ()*	Dolomite ()*
Goethite ()*	Grunerite ()*	Hematite ()*	Magnesio-riebeckite ()*	Magnetite ()*
Minnesotaite ()*	Orthoclase ()*	Pyrite ()*	Pyrophyllite ()*	Quartz ()*
Riebeckite ()*	Rutile ()*	Schorl ()*	Sepiolite ()*	Siderite ()*
Stilpnomelane ()*	Thermonatrite ()*	Trona ()*

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

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

Structural Groups for minerals in this locality:
Amphibole Calcite Chalcopyrite Clay Corundum Diaspore Feldspar None Pyrite Pyrophyllite
Pyroxene Quartz Rutile Sepiolite Spinel Stilpnomelane Talc Tourmaline

23 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆	1022
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	2060
Calcite ()*	Calcite	Ca(CO₃)	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	27198
Dolomite ()*	None	CaMg(CO₃)₂	9895
Goethite ()*	Diaspore	FeO(OH)	7437
Grunerite ()*	Amphibole	Fe²⁺₂Fe²⁺₅Si₈O₂₂(OH)₂	223
Hematite ()*	Corundum	Fe₂O₃	14640
Magnesio-riebeckite ()*	Amphibole	Na₂(Mg₃Fe³⁺₂)Si₈O₂₂(OH)₂	93
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	14899
Minnesotaite ()*	Clay Talc	Fe²⁺₃Si₄O₁₀(OH)₂	61
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	2349
Pyrite ()*	Pyrite	FeS₂	39462
Pyrophyllite ()*	Clay Pyrophyllite	Al₂Si₄O₁₀(OH)₂	771
Quartz ()*	Quartz	SiO₂	61156
Riebeckite ()*	Amphibole	Na₂(Fe²⁺₃Fe³⁺₂)Si₈O₂₂(OH)₂	375
Rutile ()*	Rutile	TiO₂	5614
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	2705
Sepiolite ()*	Sepiolite Clay	Mg₄Si₆O₁₅(OH)₂·6H₂O	241
Siderite ()*	Calcite	Fe(CO₃)	6417
Stilpnomelane ()*	Stilpnomelane Clay	(K,Ca,Na)(Fe,Mg,Al)₈(Si,Al)₁₂(O,OH)₃₆·nH₂O	456
Thermonatrite ()*	None	Na₂(CO₃)·H₂O	64
Trona ()*	None	Na₃(HCO₃)(CO₃)·2H₂O	129

No ages have been assigned to this locality yet.

All locality data graciously provided by mindat.org

All age data...