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:
Sherwood Mine, Mineral Hills, Menominee Iron Range, Iron Co., Michigan, USA

mindat Locality ID: 21733
mindat URL: http://www.mindat.org/loc-21733.html

Tectonic Settings:

Total number of sublocalities beneath "Sherwood Mine, Mineral Hills, Menominee Iron Range, Iron Co., Michigan, USA": 6
Total number of bottom-level sublocalities: 5

Number of Child Localities: 1
Child Localities:
Sherwood Exploration

Latitude: 46°6'27"N
Longitude: 88°38'25"W
Decimal Degree (lat, lon): 46.1075,-88.640277777778

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	Chalcopyrite	Clay	Corundum	Diaspore	Fluorite	None	Pyrite	Rocksalt	Sphalerite
Stilpnomelane

Bornite ()*	Chalcocite ()*	Chalcopyrite ()*	Galena ()*	Goethite ()*
Graphite ()*	Hematite ()*	Pyrite ()*	Rhodochrosite ()*	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 C Ca Cu Fe H K Mg Mn Na O Pb S Si U Zn

Elements from minerals reported directly at this locality: Al C Ca Cu Fe H K Mg Mn Na O Pb S Si U Zn

Structural Groups for minerals in this locality:
Calcite Chalcopyrite Clay Corundum Diaspore Fluorite None Pyrite Rocksalt Sphalerite
Stilpnomelane

13 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Bornite ()*	None	Cu₅FeS₄	5516
Chalcocite ()*	None	Cu₂S	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	27198
Galena ()*	Rocksalt	PbS	24243
Goethite ()*	Diaspore	FeO(OH)	7437
Graphite ()*	None	C	2812
Hematite ()*	Corundum	Fe₂O₃	14640
Pyrite ()*	Pyrite	FeS₂	39462
Rhodochrosite ()*	Calcite	Mn(CO₃)	1711
Siderite ()*	Calcite	Fe(CO₃)	6417
Sphalerite ()*	Sphalerite	ZnS	21482
Stilpnomelane ()*	Stilpnomelane Clay	(K,Ca,Na)(Fe,Mg,Al)₈(Si,Al)₁₂(O,OH)₃₆·nH₂O	456
Uraninite ()*	Fluorite	UO₂	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...