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:
Michigan Mine, Rockland, Ontonagon Co., Michigan, USA

mindat Locality ID: 16282
mindat URL: http://www.mindat.org/loc-16282.html

Tectonic Settings:

Total number of sublocalities beneath "Michigan Mine, Rockland, Ontonagon Co., Michigan, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 46°43'48"N
Longitude: 89°9'28"W
Decimal Degree (lat, lon): 46.73,-89.157777777778

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	Clinozoisite	Copper	Epidote	Feldspar	Gadolinite	None	Not in a structural group	Prehnite
Pumpellyite	Quartz	Smectite-vermiculite

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: Ag Al B C Ca Cu Fe H K Mg Na O Si

Elements from minerals reported directly at this locality: Ag Al B C Ca Cu Fe H K Mg Na O Si

Structural Groups for minerals in this locality:
Calcite Clay Clinozoisite Copper Epidote Feldspar Gadolinite None Not in a structural group Prehnite
Pumpellyite Quartz Smectite-vermiculite

11 IMA Minerals at location:

Calcite ()*	Copper ()*	Cuprite ()*	Datolite ()*	Epidote ()*
Microcline ()*	Prehnite ()*	Pumpellyite-(Mg) ()*	Quartz ()*	Saponite ()*
Silver ()*

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Calcite ()*	Calcite	Ca(CO₃)	27770
Copper ()*	Copper	Cu	3846
Cuprite ()*	Not in a structural group	Cu₂O	2970
Datolite ()*	Gadolinite	CaB(SiO₄)(OH)	498
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	8173
Microcline ()*	Feldspar	K(AlSi₃O₈)	4924
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	1898
Pumpellyite-(Mg) ()*	Pumpellyite	Ca₂MgAl₂(Si₂O₇)(SiO₄)(OH)₂·H₂O	106
Quartz ()*	Quartz	SiO₂	61156
Saponite ()*	Clay Smectite-vermiculite	(Ca,Na)_0.3(Mg,Fe)₃(Si,Al)₄O₁₀(OH)₂·4H₂O	301
Silver ()*	Copper	Ag	5186

No ages have been assigned to this locality yet.

All locality data graciously provided by mindat.org

All age data...