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:
Hobo Mine (Reeves Copper Mine; Reevis Copper Mine; Rives Copper Mine), Crawford Co., Missouri, USA

mindat Locality ID: 43926
mindat URL: http://www.mindat.org/loc-43926.html

Tectonic Settings:

Total number of sublocalities beneath "Hobo Mine (Reeves Copper Mine; Reevis Copper Mine; Rives Copper Mine), Crawford Co., Missouri, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 38°6'0"N
Longitude: 91°11'30"W
Decimal Degree (lat, lon): 38.1,-91.191666666667

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.

Chalcanthite	Chalcopyrite	Corundum	Malachite	Marcasite	Melanterite	None	Not in a structural group	Pyrite

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: C Ca Co Cu Fe H Mg Mn Ni O S

Elements from minerals reported directly at this locality: C Ca Co Cu Fe H Mg Mn Ni O S

Structural Groups for minerals in this locality:
Chalcanthite Chalcopyrite Corundum Malachite Marcasite Melanterite None Not in a structural group Pyrite

8 IMA Minerals at location:

Asbolane ()*	Chalcanthite ()*	Chalcopyrite ()*	Hematite ()*	Malachite ()*
Marcasite ()*	Melanterite ()*	Pyrite ()*

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Asbolane ()*	Not in a structural group	Mn⁴⁺(O,OH)₂·(Co,Ni,Mg,Ca)_x(OH)_2x·nH₂O	143
Chalcanthite ()*	Chalcanthite	Cu(SO₄)·5H₂O	925
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	27198
Hematite ()*	Corundum	Fe₂O₃	14640
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	12537
Marcasite ()*	Marcasite	FeS₂	5674
Melanterite ()*	Melanterite	Fe(SO₄)·7H₂O	915
Pyrite ()*	Pyrite	FeS₂	39462

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...