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:
Ironton, Cuyuna North Range, Crow Wing Co., Minnesota, USA

mindat Locality ID: 29832
mindat URL: http://www.mindat.org/loc-29832.html

Tectonic Settings:

Total number of sublocalities beneath "Ironton, Cuyuna North Range, Crow Wing Co., Minnesota, USA": 7
Total number of bottom-level sublocalities: 7

Number of Child Localities: 7
Child Localities:
Mahnomen No. 1 Mine
Mahnomen No. 2 Mine
Mahnomen No. 3 Mine
Mahnomen No. 4 Mine
Mahnomen Pit
Maroco Mine (Adbar Mine)
Sagamore Mangan No. 2 Pit

Latitude: 46°30'3"N
Longitude: 94°'45"W
Decimal Degree (lat, lon): 46.500833333333,-94.0125

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.

Calcite	Clay	Coronadite	Corundum	Diaspore	Mica	None	Pyrite	Quartz	Rutile
Spinel	Stilpnomelane

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 Fe H K Mg Mn Na O S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Calcite Clay Coronadite Corundum Diaspore Mica None Pyrite Quartz Rutile
Spinel Stilpnomelane

11 IMA Minerals at location:

Calcite ()*	Cryptomelane ()*	Goethite ()*	Groutite ()*	Hematite ()*
Magnetite ()*	Muscovite ()*	Pyrite ()*	Pyrolusite ()*	Quartz ()*
Stilpnomelane ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Calcite ()*	Calcite	Ca(CO₃)	1	223107	27770
Cryptomelane ()*	Coronadite	K(Mn⁴⁺₇Mn³⁺)O₁₆	1	223108	599
Goethite ()*	Diaspore	FeO(OH)	3	223107,223108,223109	7437
Groutite ()*	Diaspore	Mn³⁺O(OH)	2	223107,223109	72
Hematite ()*	Corundum	Fe₂O₃	5	223103,223104,223105,223107,223108	14640
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	5	223103,223106,223107,223108,223109	14899
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	223105	17380
Pyrite ()*	Pyrite	FeS₂	1	223109	39462
Pyrolusite ()*	Rutile	MnO₂	1	223108	3106
Quartz ()*	Quartz	SiO₂	2	223104,223108	61156
Stilpnomelane ()*	Stilpnomelane Clay	(K,Ca,Na)(Fe,Mg,Al)₈(Si,Al)₁₂(O,OH)₃₆·nH₂O	1	223104	456

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...