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:
Trolladyngja, Grindavíkurbær, Southern Peninsula, Iceland

mindat Locality ID: 6354
mindat URL: http://www.mindat.org/loc-6354.html

Tectonic Settings:

Total number of sublocalities beneath "Trolladyngja, Grindavíkurbær, Southern Peninsula, Iceland": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Sog Valley

Latitude: 63°56'16"N
Longitude: 22°6'15"W
Decimal Degree (lat, lon): 63.937777777778,-22.104166666667

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	Epidote	Feldspar	Halotrichite	Mordenite	None	Pyrite
Quartz	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 C Ca Fe H K Mg Na O S Si

Elements from minerals reported directly at this locality: Al Ca Fe H Mg O Si

Structural Groups for minerals in this locality:
Amphibole Analcime Calcite Clinozoisite Epidote Feldspar Halotrichite Mordenite None Pyrite
Quartz Sulphur

13 IMA Minerals at location:

Actinolite ()*	Albite ()*	Analcime ()*	Calcite ()*	Epidote ()*
Microcline ()*	Mordenite ()*	Pickeringite ()*	Pyrite ()*	Quartz ()*
Siderite ()*	Sulphur ()*	Wairakite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂	0		3419
Albite ()*	Feldspar	Na(AlSi₃O₈)	1	65904	8803
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	1	65904	1627
Calcite ()*	Calcite	Ca(CO₃)	1	65904	27770
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	65904	8173
Microcline ()*	Feldspar	K(AlSi₃O₈)	1	65904	4924
Mordenite ()*	Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆·28H₂O	1	65904	405
Pickeringite ()*	Halotrichite	MgAl₂(SO₄)₄·22H₂O	1	65904	265
Pyrite ()*	Pyrite	FeS₂	1	65904	39462
Quartz ()*	Quartz	SiO₂	1	65904	61156
Siderite ()*	Calcite	Fe(CO₃)	1	65904	6417
Sulphur ()*	Sulphur	S	1	65904	2045
Wairakite ()*	Analcime	Ca(Si₄Al₂)O₁₂·2H₂O	0		73

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...