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:
Hancock, Houghton Co., Michigan, USA

mindat Locality ID: 22156
mindat URL: http://www.mindat.org/loc-22156.html

Tectonic Settings:

Total number of sublocalities beneath "Hancock, Houghton Co., Michigan, USA": 9
Total number of bottom-level sublocalities: 8

Number of Child Localities: 4
Child Localities:
Glacial Till
Hancock Mine
Quincy Mine
Unnamed Pits

Latitude: 47°7'33"N
Longitude: 88°34'23"W
Decimal Degree (lat, lon): 47.125833333333,-88.573055555556

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.

Allophane	Analcime	Atacamite	Calcite	Chlorite	Clay	Clinozoisite	Copper	Domeykite	Epidote
Gadolinite	Gypsum	Malachite	Mica	None	Not in a structural group	Prehnite	Pumpellyite	Quartz	Rocksalt

Analcime ()*	Ankerite ()*	Azurite ()*	Calcite ()*	Chrysocolla ()*
Clinochlore ()*	Copper ()*	Cuprite ()*	Datolite ()*	Domeykite ()*
Epidote ()*	Gypsum ()*	Halite ()*	Laumontite ()*	Malachite ()*
Muscovite ()*	Paratacamite ()*	Prehnite ()*	Pumpellyite-(Mg) ()*	Quartz ()*
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 As B C Ca Cl Cu Fe H K Mg Na O S Si Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Allophane Analcime Atacamite Calcite Chlorite Clay Clinozoisite Copper Domeykite Epidote
Gadolinite Gypsum Malachite Mica None Not in a structural group Prehnite Pumpellyite Quartz Rocksalt

21 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	2	220549,220554	1627
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	1	220549	3092
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	1	220549	5509
Calcite ()*	Calcite	Ca(CO₃)	2	220548,220549	27770
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	1	220549	3531
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	1	220548	1756
Copper ()*	Copper	Cu	6	220547,220548,220549,220550,220553,220555	3846
Cuprite ()*	Not in a structural group	Cu₂O	1	220549	2970
Datolite ()*	Gadolinite	CaB(SiO₄)(OH)	3	220548,220549,220550	498
Domeykite ()*	Domeykite	Cu₃As	1	220548	73
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	220549	8173
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	1	220549	6890
Halite ()*	Rocksalt	NaCl	1	220549	1398
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	2	220548,220549	1271
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	1	220549	12537
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	220549	17380
Paratacamite ()*	Atacamite	Cu₃(Cu,Zn)Cl₂(OH)₆	1	220549	158
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	3	220548,220549,220550	1898
Pumpellyite-(Mg) ()*	Pumpellyite	Ca₂MgAl₂(Si₂O₇)(SiO₄)(OH)₂·H₂O	1	220549	106
Quartz ()*	Quartz	SiO₂	3	220547,220548,220550	61156
Silver ()*	Copper	Ag	2	220548,220549	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...