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:
Huron Co., Michigan, USA

mindat Locality ID: 26855
mindat URL: http://www.mindat.org/loc-26855.html

Tectonic Settings:

Total number of sublocalities beneath "Huron Co., Michigan, USA": 26
Total number of bottom-level sublocalities: 20

Number of Child Localities: 14
Child Localities:
Bay Port
Bayport Limestone
Caseville Township
Fairhaven Township
Grindstone City
Jackson Coal Mines
Port Austin Township
Reinhold Clay Pit
Sebewaing Coal Mine
Sebewaing Township
Unnamed Shale Prospect (MRDS - 10218526)
Wells Township
Windsor Limestone Quarry
Wyers Clay Pit

Latitude: 43°45'7"N
Longitude: 83°7'23"W
Decimal Degree (lat, lon): 43.751944444444,-83.123055555556

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	Gypsum	Marcasite	Melanterite	Millerite	None	Pyrite	Quartz	Rocksalt
Sphalerite	Spinel

Baryte ()*	Calcite ()*	Dolomite ()*	Galena ()*	Gypsum ()*
Halite ()*	Marcasite ()*	Melanterite ()*	Millerite ()*	Pyrite ()*
Quartz ()*	Siderite ()*	Siegenite ()*	Sphalerite ()*	Spinel ()*

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 Cl Co Fe H Mg Na Ni O Pb S Si Zn

Elements from minerals reported directly at this locality: Cl Na

Structural Groups for minerals in this locality:
Baryte Calcite Gypsum Marcasite Melanterite Millerite None Pyrite Quartz Rocksalt
Sphalerite Spinel

15 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	220674	11547
Calcite ()*	Calcite	Ca(CO₃)	2	220674,220688	27770
Dolomite ()*	None	CaMg(CO₃)₂	2	220674,220675	9895
Galena ()*	Rocksalt	PbS	8	220674,220678,220679,220680,220681,220682,220683,220693	24243
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	2	220674,220676	6890
Halite ()*	Rocksalt	NaCl	0		1398
Marcasite ()*	Marcasite	FeS₂	3	220686,220688,220690	5674
Melanterite ()*	Melanterite	Fe(SO₄)·7H₂O	1	220690	915
Millerite ()*	Millerite	NiS	1	220674	1066
Pyrite ()*	Pyrite	FeS₂	8	220674,220678,220681,220682,220683,220690,220692,220693	39462
Quartz ()*	Quartz	SiO₂	3	220673,220674,220685	61156
Siderite ()*	Calcite	Fe(CO₃)	2	220692,220693	6417
Siegenite ()*	Spinel	CoNi₂S₄	1	220674	249
Sphalerite ()*	Sphalerite	ZnS	4	220674,220688,220692,220693	21482
Spinel ()*	Spinel	MgAl₂O₄	1	220696	1934

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...