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:
Lake Fogo, Água De Pau Volcano (Fogo Volcano), Água De Pau Massif, São Miguel Island, Azores, Portugal

mindat Locality ID: 190525
mindat URL: http://www.mindat.org/loc-190525.html

Tectonic Settings:

Total number of sublocalities beneath "Lake Fogo, Água De Pau Volcano (Fogo Volcano), Água De Pau Massif, São Miguel Island, Azores, Portugal": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Near The Ruins Of Lombadas

Latitude: 37°46'26"N
Longitude: 25°27'28"W
Decimal Degree (lat, lon): 37.773888888889,-25.457777777778

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	Astrophyllite	Eudialyte	Feldspar	None	Quartz	Zircon

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 Cl F Fe H K Na Nb O Pb REE Si Ti U Y Zr

Elements from minerals reported directly at this locality: O Si Zr

Structural Groups for minerals in this locality:
Amphibole Astrophyllite Eudialyte Feldspar None Quartz Zircon

8 IMA Minerals at location:

Astrophyllite ()*	Ferro-katophorite ()*	Ferrokentbrooksite ()*	Fluornatropyrochlore ()*	Fogoite-(Y) ()*
Quartz ()*	Sanidine ()*	Zircon ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Astrophyllite ()*	Astrophyllite	K₂NaFe²⁺₇Ti₂(Si₄O₁₂)₂O₂(OH)₄F	1	98092	161
Ferro-katophorite ()*	Amphibole	Na(NaCa)(Fe²⁺₄Al)(Si₇Al)O₂₂(OH)₂	1	98092	38
Ferrokentbrooksite ()*	Eudialyte	Na₁₅Ca₆Fe²⁺₃Zr₃Nb(Si₂₅O₇₃)(O,OH,H₂O)₃(F,Cl)₂	1	98092	15
Fluornatropyrochlore ()*	None	(Na,Pb,Ca,REE,U)₂Nb₂O₆F	1	98092	10
Fogoite-(Y) ()*	None	Ca₂Y₂Na₃Ti(Si₂O₇)₂(OF)F₂	1	98092	1
Quartz ()*	Quartz	SiO₂	1	98092	61156
Sanidine ()*	Feldspar	K(AlSi₃O₈)	1	98092	598
Zircon ()*	Zircon	Zr(SiO₄)	0		5251

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...