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:
Fjallabyggð, Northeastern Region, Iceland

mindat Locality ID: 309970
mindat URL: http://www.mindat.org/loc-309970.html

Tectonic Settings:

Total number of sublocalities beneath "Fjallabyggð, Northeastern Region, Iceland": 4
Total number of bottom-level sublocalities: 3

Number of Child Localities: 2
Child Localities:
Sauðanes
Siglufjörður

Latitude: 66°9'52"N
Longitude: 18°57'9"W
Decimal Degree (lat, lon): 66.164444444444,-18.9525

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.

Analcime	Calcite	Gyrolite	Mordenite	Natrolite	None	Pyrite	Thomsonite

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 Na O S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Analcime Calcite Gyrolite Mordenite Natrolite None Pyrite Thomsonite

8 IMA Minerals at location:

Analcime ()*	Calcite ()*	Cowlesite ()*	Epistilbite ()*	Gyrolite ()*
Mesolite ()*	Pyrite ()*	Thomsonite-Ca ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	2	65869,65872	1627
Calcite ()*	Calcite	Ca(CO₃)	1	65872	27770
Cowlesite ()*	None	Ca(Al₂Si₃)O₁₀·5-6H₂O	1	65869	84
Epistilbite ()*	Mordenite	Ca₃[Si₁₈Al₆O₄₈]·16H₂O	1	65872	138
Gyrolite ()*	Gyrolite	NaCa₁₆(Si₂₃Al)O₆₀(OH)₈·14H₂O	1	65872	142
Mesolite ()*	Natrolite	Na₂Ca₂(Si₉Al₆)O₃₀·8H₂O	1	65872	425
Pyrite ()*	Pyrite	FeS₂	1	65872	39462
Thomsonite-Ca ()*	Thomsonite	NaCa₂(Al₅Si₅)O₂₀·6H₂O	1	65869	452

No ages have been assigned to this locality yet.

All locality data graciously provided by mindat.org

All age data...