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:
Ilha Grande, Angra Dos Reis, Rio De Janeiro, Brazil

mindat Locality ID: 279924
mindat URL: http://www.mindat.org/loc-279924.html

Tectonic Settings:

Total number of sublocalities beneath "Ilha Grande, Angra Dos Reis, Rio De Janeiro, Brazil": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Angra Dos Reis Meteorite

Latitude: 22°57'59"S
Longitude: 44°19'"W
Decimal Degree (lat, lon): -22.966388888889,-44.316666666667

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.

Baddeleyite	Cerite	Diaspore	Feldspar	None	Olivine	Pyroxene	Spinel

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 Ba Ca Cr Fe H Mg Na O P S Si Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Baddeleyite Cerite Diaspore Feldspar None Olivine Pyroxene Spinel

12 IMA Minerals at location:

Anorthite ()*	Augite ()*	Baddeleyite ()*	Celsian ()*	Daubréelite ()*
Goethite ()*	Kirschsteinite ()*	Magnetite ()*	Merrillite ()*	Spinel ()*
Troilite ()*	Whitlockite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)	1	28409	1036
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	1	28409	2060
Baddeleyite ()*	Baddeleyite	ZrO₂	1	28409	238
Celsian ()*	Feldspar	Ba(Al₂Si₂O₈)	1	28409	100
Daubréelite ()*	Spinel	FeCr₂S₄	1	28409	157
Goethite ()*	Diaspore	FeO(OH)	1	28409	7437
Kirschsteinite ()*	Olivine	CaFe²⁺(SiO₄)	1	28409	33
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	28409	14899
Merrillite ()*	Cerite	Ca₉NaMg(PO₄)₇	1	28409	230
Spinel ()*	Spinel	MgAl₂O₄	1	28409	1934
Troilite ()*	None	FeS	1	28409	1044
Whitlockite ()*	Cerite	Ca₉Mg(PO₃OH)(PO₄)₆	1	28409	104

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...