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:
Maio Island, Sotavento Islands, Cape Verde

Oldest recorded age at locality: 11.3
Youngest recorded age at locality: 6.8

mindat Locality ID: 239673
mindat URL: http://www.mindat.org/loc-239673.html

Tectonic Settings:

Total number of sublocalities beneath "Maio Island, Sotavento Islands, Cape Verde": 0
Total number of bottom-level sublocalities: 0

Latitude: 15°12'2"N
Longitude: 23°10'5"W
Decimal Degree (lat, lon): 15.200555555556,-23.168055555556

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.

No IMA Minerals occur at this locality according to mindat

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Jen_0000602	MAGMATIC STYLE: Dykes up to 1 m across, veins and two pipe-like bodies 15-30 m wide. ASSOCIATED SILICATE ROCKS: Pyroxenite, essexite and syenite; basanite, ankaramite and trachyte dykes; extrusives include nephelinite.
Jen_0000603	MAGMATIC STYLE: Dykes up to 1 m across, veins and two pipe-like bodies 15-30 m wide. ASSOCIATED SILICATE ROCKS: Pyroxenite, essexite and syenite; basanite, ankaramite and trachyte dykes; extrusives include nephelinite.
Jen_0000604	MAGMATIC STYLE: Dykes up to 1 m across, veins and two pipe-like bodies 15-30 m wide. ASSOCIATED SILICATE ROCKS: Pyroxenite, essexite and syenite; basanite, ankaramite and trachyte dykes; extrusives include nephelinite.

3 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID
Jen_0000602	8.9	8.9	8.9		239673	Maio Island, Sotavento Islands, Cape Verde	Maio	Woolley and Kjarsgaard (2008)	10.4095/225115	GSCOF5796
Jen_0000603	11.3	10.9	11.1±0.2	K-Ar	239673	Maio Island, Sotavento Islands, Cape Verde	Maio	Woolley and Kjarsgaard (2008)	10.4095/225115	GSCOF5796
Jen_0000604	6.8	6.8	6.8	Rb-Sr	239673	Maio Island, Sotavento Islands, Cape Verde	Maio	Woolley and Kjarsgaard (2008)	10.4095/225115	GSCOF5796

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...