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:
Grillid (Cave S-4), Surtsey Island, Vestmannaeyjar Archipelago (Westman Islands), Vestmannaeyjar, Southern Region, Iceland

mindat Locality ID: 204560
mindat URL: http://www.mindat.org/loc-204560.html

Tectonic Settings:

Total number of sublocalities beneath "Grillid (Cave S-4), Surtsey Island, Vestmannaeyjar Archipelago (Westman Islands), Vestmannaeyjar, Southern Region, Iceland": 0
Total number of bottom-level sublocalities: 0

Latitude: 63°17'59"N
Longitude: 20°34'59"W
Decimal Degree (lat, lon): 63.299722222222,-20.583055555556

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.

Amorphous	Analcime	Aphthitalite	Blödite	Calcite	Carnallite	Fluorite	Gypsum	Kieserite	None
Not in a structural group	Pyrochlore	Rocksalt	Sulphur	Tobermorite

Analcime ()*	Anhydrite ()*	Aphthitalite ()*	Blödite ()*	Calcite ()*
Carnallite ()*	Fluorite ()*	Galeite ()*	Glauberite ()*	Gypsum ()*
Halite ()*	Hydrokenoralstonite ()*	Kainite ()*	Kieserite ()*	Löweite ()*
Opal ()*	Sulphur ()*	Thénardite ()*	Tobermorite ()*	Xonotlite ()*

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 Cl F H K Mg Na O S Si

Elements from minerals reported directly at this locality: Al C Ca Cl F H K Mg Na O S Si

Structural Groups for minerals in this locality:
Amorphous Analcime Aphthitalite Blödite Calcite Carnallite Fluorite Gypsum Kieserite None
Not in a structural group Pyrochlore Rocksalt Sulphur Tobermorite

20 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	1627
Anhydrite ()*	Not in a structural group	Ca(SO₄)	1588
Aphthitalite ()*	Aphthitalite	K₃Na(SO₄)₂	77
Blödite ()*	Blödite	Na₂Mg(SO₄)₂·4H₂O	130
Calcite ()*	Calcite	Ca(CO₃)	27770
Carnallite ()*	Carnallite	KMgCl₃·6H₂O	132
Fluorite ()*	Fluorite	CaF₂	9617
Galeite ()*	None	Na₁₅(SO₄)₅ClF₄	3
Glauberite ()*	None	Na₂Ca(SO₄)₂	137
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	6890
Halite ()*	Rocksalt	NaCl	1398
Hydrokenoralstonite ()*	Pyrochlore	₂Al₂F₆(H₂O)	56
Kainite ()*	None	KMg(SO₄)Cl·2.75H₂O	50
Kieserite ()*	Kieserite	Mg(SO₄)·H₂O	80
Löweite ()*	None	Na₁₂Mg₇(SO₄)₁₃·15H₂O	28
Opal ()*	Amorphous	SiO₂·nH₂O	2994
Sulphur ()*	Sulphur	S	2045
Thénardite ()*	None	Na₂(SO₄)	299
Tobermorite ()*	Tobermorite	Ca₄Si₆O₁₇(H₂O)₂·(Ca·3H₂O)	114
Xonotlite ()*	None	Ca₆Si₆O₁₇(OH)₂	109

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...