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:
Laurium, Houghton Co., Michigan, USA

mindat Locality ID: 195314
mindat URL: http://www.mindat.org/loc-195314.html

Tectonic Settings:

Total number of sublocalities beneath "Laurium, Houghton Co., Michigan, USA": 4
Total number of bottom-level sublocalities: 4

Number of Child Localities: 4
Child Localities:
Laurium Mine
St. Louis Mine Exploration
Unnamed Copper Prospect (MRDS - 10170519)
Unnamed Copper Prospect (MRDS - 10243445)

Latitude: 47°13'38"N
Longitude: 88°24'28"W
Decimal Degree (lat, lon): 47.227222222222,-88.407777777778

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.

Atacamite	Calcite	Chlorite	Clay	Clinozoisite	Copper	Corundum	Epidote	Feldspar	Gadolinite
Malachite	None	Not in a structural group	Pumpellyite	Quartz	Smectite-vermiculite

Atacamite ()*	Calcite ()*	Chalcocite ()*	Chamosite ()*	Clinochlore ()*
Copper ()*	Cuprite ()*	Datolite ()*	Epidote ()*	Hematite ()*
Kinoite ()*	Laumontite ()*	Malachite ()*	Microcline ()*	Pumpellyite-(Mg) ()*
Quartz ()*	Saponite ()*	Silver ()*

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 Cl Cu Fe H K Mg Na O S Si

Elements from minerals reported directly at this locality:

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

18 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Atacamite ()*	Atacamite	Cu₂Cl(OH)₃	1	220582	544
Calcite ()*	Calcite	Ca(CO₃)	2	220582,220583	27770
Chalcocite ()*	None	Cu₂S	2	220582,220583	5707
Chamosite ()*	Chlorite Clay	(Fe²⁺,Mg,Al,Fe³⁺)₆(Si,Al)₄O₁₀(OH,O)₈	1	220583	577
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	1	220583	1756
Copper ()*	Copper	Cu	2	220582,220583	3846
Cuprite ()*	Not in a structural group	Cu₂O	2	220582,220583	2970
Datolite ()*	Gadolinite	CaB(SiO₄)(OH)	2	220582,220583	498
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	2	220582,220583	8173
Hematite ()*	Corundum	Fe₂O₃	2	220582,220583	14640
Kinoite ()*	None	Ca₂Cu₂Si₃O₁₀·2H₂O	1	220582	17
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	2	220582,220583	1271
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	2	220582,220583	12537
Microcline ()*	Feldspar	K(AlSi₃O₈)	2	220582,220583	4924
Pumpellyite-(Mg) ()*	Pumpellyite	Ca₂MgAl₂(Si₂O₇)(SiO₄)(OH)₂·H₂O	1	220582	106
Quartz ()*	Quartz	SiO₂	2	220582,220583	61156
Saponite ()*	Clay Smectite-vermiculite	(Ca,Na)_0.3(Mg,Fe)₃(Si,Al)₄O₁₀(OH)₂·4H₂O	2	220582,220583	301
Silver ()*	Copper	Ag	1	220582	5186

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...