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:
Bras De Cilaos, Cirque De Cilaos, Piton Des Neiges Massif, Réunion Island

mindat Locality ID: 252864
mindat URL: http://www.mindat.org/loc-252864.html

Tectonic Settings:

Total number of sublocalities beneath "Bras De Cilaos, Cirque De Cilaos, Piton Des Neiges Massif, Réunion Island": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Le Pavillon
Ouaki Road

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

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.

Amphibole	Analcime	Calcite	Clinozoisite	Corundum	Epidote	Feldspar	Fluorite	Gyrolite	Melilite
Molybdenite	Natrolite	None	Not in a structural group	Pyroxene	Quartz	Rutile

Aegirine ()*	Albite ()*	Analcime ()*	Anatase ()*	Arfvedsonite ()*
Calcite ()*	Epidote ()*	Fluorite ()*	Gehlenite ()*	Hematite ()*
Mesolite ()*	Molybdenite ()*	Quartz ()*	Riebeckite ()*	Rutile ()*
Siderite ()*	Truscottite ()*

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 C Ca F Fe H Mo Na O S Si Ti

Elements from minerals reported directly at this locality: Al Ca F Fe H Mo O S Si

Structural Groups for minerals in this locality:
Amphibole Analcime Calcite Clinozoisite Corundum Epidote Feldspar Fluorite Gyrolite Melilite
Molybdenite Natrolite None Not in a structural group Pyroxene Quartz Rutile

17 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆	1	100950	1022
Albite ()*	Feldspar	Na(AlSi₃O₈)	1	100950	8803
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	1	100951	1627
Anatase ()*	Not in a structural group	TiO₂	1	100950	2162
Arfvedsonite ()*	Amphibole	NaNa₂(Fe²⁺₄Fe³⁺)Si₈O₂₂(OH)₂	1	100950	295
Calcite ()*	Calcite	Ca(CO₃)	1	100950	27770
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	0		8173
Fluorite ()*	Fluorite	CaF₂	0		9617
Gehlenite ()*	Melilite	Ca₂Al(SiAl)O₇	1	100951	114
Hematite ()*	Corundum	Fe₂O₃	1	100950	14640
Mesolite ()*	Natrolite	Na₂Ca₂(Si₉Al₆)O₃₀·8H₂O	1	100951	425
Molybdenite ()*	Molybdenite	MoS₂	0		5800
Quartz ()*	Quartz	SiO₂	1	100950	61156
Riebeckite ()*	Amphibole	Na₂(Fe²⁺₃Fe³⁺₂)Si₈O₂₂(OH)₂	1	100950	375
Rutile ()*	Rutile	TiO₂	1	100950	5614
Siderite ()*	Calcite	Fe(CO₃)	1	100950	6417
Truscottite ()*	Gyrolite	Ca₁₄Si₂₄O₅₈(OH)₈·2H₂O	1	100951	10

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...