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:
Fogo Island, Sotavento Islands, Cape Verde

Oldest recorded age at locality: 4.8
Youngest recorded age at locality: 3.7

mindat Locality ID: 214701
mindat URL: http://www.mindat.org/loc-214701.html

Tectonic Settings:

Total number of sublocalities beneath "Fogo Island, Sotavento Islands, Cape Verde": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Mount Fogo

Latitude: 14°55'60"N
Longitude: 24°22'60"W
Decimal Degree (lat, lon): 14.933333333333,-24.383333333333

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.

Gypsum	Halotrichite	None	Not in a structural group	Pyrochlore	Rocksalt	Sulphur

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 Mg Na O S

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Gypsum Halotrichite None Not in a structural group Pyrochlore Rocksalt Sulphur

8 IMA Minerals at location:

Anhydrite ()*	Gypsum ()*	Halite ()*	Halotrichite ()*	Hydrokenoralstonite ()*
Pickeringite ()*	Sulphur ()*	Sylvite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Anhydrite ()*	Not in a structural group	Ca(SO₄)	4.8	3.7	1	35441	1588
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	4.8	3.7	1	35441	6890
Halite ()*	Rocksalt	NaCl	4.8	3.7	1	35441	1398
Halotrichite ()*	Halotrichite	Fe²⁺Al₂(SO₄)₄·22H₂O	4.8	3.7	1	35441	409
Hydrokenoralstonite ()*	Pyrochlore	₂Al₂F₆(H₂O)	4.8	3.7	1	35441	56
Pickeringite ()*	Halotrichite	MgAl₂(SO₄)₄·22H₂O	4.8	3.7	1	35441	265
Sulphur ()*	Sulphur	S	4.8	3.7	1	35441	2045
Sylvite ()*	Rocksalt	KCl	4.8	3.7	1	35441	275

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Jen_0000579	MAGMATIC STYLE: Three small areas, up to 500 m long, of ‘basement’ rocks include intrusions of carbonatite. ASSOCIATED SILICATE ROCKS: Basanite and nephelinite.
Jen_0000580	MAGMATIC STYLE: Three small areas, up to 500 m long, of ‘basement’ rocks include intrusions of carbonatite. ASSOCIATED SILICATE ROCKS: Basanite and nephelinite.
Jen_0000581	MAGMATIC STYLE: Three small areas, up to 500 m long, of ‘basement’ rocks include intrusions of carbonatite. ASSOCIATED SILICATE ROCKS: Basanite and nephelinite.
Jen_0000582	MAGMATIC STYLE: Three small areas, up to 500 m long, of ‘basement’ rocks include intrusions of carbonatite. ASSOCIATED SILICATE ROCKS: Basanite and nephelinite.

4 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Sample Source	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID
Jen_0000579	4.2	4.2	4.2	K-Ar	biotite	214701	Fogo Island, Sotavento Islands, Cape Verde	Fogo	Woolley and Kjarsgaard (2008)	10.4095/225115	GSCOF5796
Jen_0000580	3.7	3.7	3.7	K-Ar	biotite	214701	Fogo Island, Sotavento Islands, Cape Verde	Fogo	Woolley and Kjarsgaard (2008)	10.4095/225115	GSCOF5796
Jen_0000581	4.1	4.1	4.1	K-Ar	biotite	214701	Fogo Island, Sotavento Islands, Cape Verde	Fogo	Woolley and Kjarsgaard (2008)	10.4095/225115	GSCOF5796
Jen_0000582	4.8	4.8	4.8	K-Ar	biotite	214701	Fogo Island, Sotavento Islands, Cape Verde	Fogo	Woolley and Kjarsgaard (2008)	10.4095/225115	GSCOF5796

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...