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:
Barro Alto, Goiás, Brazil

mindat Locality ID: 286986
mindat URL: http://www.mindat.org/loc-286986.html

Tectonic Settings:

Total number of sublocalities beneath "Barro Alto, Goiás, Brazil": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Barro Alto Bauxite Deposit
Barro Alto Ni Mine

Latitude: 15°3'59"S
Longitude: 48°58'"W
Decimal Degree (lat, lon): -15.066388888889,-48.966666666667

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.

Clay	Corundum	Diaspore	Feldspar	Kaolinite	Lepidocrocite	None	Not in a structural group	Quartz	Sepiolite
Spinel	Talc

Anatase ()*	Anorthite ()*	Böhmite ()*	Chromite ()*	Corundum ()*
Diaspore ()*	Gibbsite ()*	Goethite ()*	Hematite ()*	Ilmenite ()*
Kaolinite ()*	Lepidocrocite ()*	Magnetite ()*	Quartz ()*	Sepiolite ()*
Spinel ()*	Talc ()*

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 Ca Cr Fe H Mg O Si Ti

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Clay Corundum Diaspore Feldspar Kaolinite Lepidocrocite None Not in a structural group Quartz Sepiolite
Spinel Talc

17 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Anatase ()*	Not in a structural group	TiO₂	1	27231	2162
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)	1	27231	1036
Böhmite ()*	Lepidocrocite	AlO(OH)	1	27231	195
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	1	27232	3902
Corundum ()*	Corundum	Al₂O₃	1	27231	1797
Diaspore ()*	Diaspore	AlO(OH)	1	27231	481
Gibbsite ()*	None	Al(OH)₃	1	27231	504
Goethite ()*	Diaspore	FeO(OH)	2	27231,27232	7437
Hematite ()*	Corundum	Fe₂O₃	2	27231,27232	14640
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1	27231	5433
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	1	27231	5591
Lepidocrocite ()*	Lepidocrocite	Fe³⁺O(OH)	1	27231	581
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	27231	14899
Quartz ()*	Quartz	SiO₂	1	27232	61156
Sepiolite ()*	Sepiolite Clay	Mg₄Si₆O₁₅(OH)₂·6H₂O	1	27232	241
Spinel ()*	Spinel	MgAl₂O₄	1	27231	1934
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	1	27232	3337

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...