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:
Steep Rock Iron Mine, Freeborn Township, Rainy River District, Ontario, Canada

mindat Locality ID: 7938
mindat URL: http://www.mindat.org/loc-7938.html

Tectonic Settings:

Total number of sublocalities beneath "Steep Rock Iron Mine, Freeborn Township, Rainy River District, Ontario, Canada": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Errington Pit
Hogarth Pit
Roberts Pit

Latitude: 48°48'21"N
Longitude: 91°38'43"W
Decimal Degree (lat, lon): 48.805833333333,-91.645277777778

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.

Aragonite	Calcite	Chalcopyrite	Clay	Corundum	Diaspore	Malachite	Nickeline	None	Pyrite
Quartz	Rutile	Talc

Aragonite ()*	Cacoxenite ()*	Calcite ()*	Chalcopyrite ()*	Dolomite ()*
Gibbsite ()*	Goethite ()*	Hematite ()*	Malachite ()*	Manganite ()*
Pyrite ()*	Pyrolusite ()*	Pyrrhotite ()*	Quartz ()*	Siderite ()*
Talc ()*

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 C Ca Cu Fe H Mg Mn O P S Si

Elements from minerals reported directly at this locality: Al Cu Fe H Mg O S Si

Structural Groups for minerals in this locality:
Aragonite Calcite Chalcopyrite Clay Corundum Diaspore Malachite Nickeline None Pyrite
Quartz Rutile Talc

16 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Aragonite ()*	Aragonite	Ca(CO₃)	3	32907,32908,32909	3250
Cacoxenite ()*	None	Fe³⁺₂₄AlO₆(PO₄)₁₇(OH)₁₂·75H₂O	1	32908	280
Calcite ()*	Calcite	Ca(CO₃)	3	32907,32908,32909	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	0		27198
Dolomite ()*	None	CaMg(CO₃)₂	2	32908,32909	9895
Gibbsite ()*	None	Al(OH)₃	0		504
Goethite ()*	Diaspore	FeO(OH)	3	32907,32908,32909	7437
Hematite ()*	Corundum	Fe₂O₃	1	32908	14640
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	1	32908	12537
Manganite ()*	Rutile	Mn³⁺O(OH)	2	32907,32909	770
Pyrite ()*	Pyrite	FeS₂	2	32908,32909	39462
Pyrolusite ()*	Rutile	MnO₂	3	32907,32908,32909	3106
Pyrrhotite ()*	Nickeline	Fe₇S₈	0		9056
Quartz ()*	Quartz	SiO₂	3	32907,32908,32909	61156
Siderite ()*	Calcite	Fe(CO₃)	3	32907,32908,32909	6417
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	0		3337

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...