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:
Ithaca, Gratiot Co., Michigan, USA

mindat Locality ID: 284032
mindat URL: http://www.mindat.org/loc-284032.html

Tectonic Settings:

Total number of sublocalities beneath "Ithaca, Gratiot Co., Michigan, USA": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Michigan Basin Deep Drill Hole

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

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	Chlorite	Clay	Clinozoisite	Copper	Corundum	Digenite	Epidote
Feldspar	None	Not in a structural group	Prehnite	Pyrite	Pyroxene	Quartz	Titanite

Actinolite ()*	Albite ()*	Anatase ()*	Augite ()*	Bornite ()*
Calcite ()*	Chalcopyrite ()*	Clinochlore ()*	Copper ()*	Digenite ()*
Epidote ()*	Ilmenite ()*	Microcline ()*	Prehnite ()*	Pyrite ()*
Quartz ()*	Titanite ()*	Tremolite ()*

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 Na O S Si Ti

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amphibole Calcite Chalcopyrite Chlorite Clay Clinozoisite Copper Corundum Digenite Epidote
Feldspar None Not in a structural group Prehnite Pyrite Pyroxene Quartz Titanite

18 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂	1	220476	3419
Albite ()*	Feldspar	Na(AlSi₃O₈)	1	220476	8803
Anatase ()*	Not in a structural group	TiO₂	1	220476	2162
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	1	220476	2060
Bornite ()*	None	Cu₅FeS₄	1	220476	5516
Calcite ()*	Calcite	Ca(CO₃)	1	220476	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	220476	27198
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	1	220476	1756
Copper ()*	Copper	Cu	1	220476	3846
Digenite ()*	Digenite	Cu_1.8S	1	220476	1027
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	220476	8173
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1	220476	5433
Microcline ()*	Feldspar	K(AlSi₃O₈)	1	220476	4924
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	1	220476	1898
Pyrite ()*	Pyrite	FeS₂	1	220476	39462
Quartz ()*	Quartz	SiO₂	1	220476	61156
Titanite ()*	Titanite	CaTi(SiO₄)O	1	220476	4899
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	1	220476	2562

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...