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:
Fjarðabyggð, Eastern Region, Iceland

mindat Locality ID: 308229
mindat URL: http://www.mindat.org/loc-308229.html

Tectonic Settings:

Total number of sublocalities beneath "Fjarðabyggð, Eastern Region, Iceland": 35
Total number of bottom-level sublocalities: 26

Number of Child Localities: 9
Child Localities:
Breiðdalsvík
Breiðdalur
Eskifjörður
Fáskrúðsfjörður
Graenafell
Mjóifjörður
Neskaupstaður
Reydarfjörđur
Stödvarfjörđur

Latitude: 64°56'31"N
Longitude: 14°3'57"W
Decimal Degree (lat, lon): 64.941944444444,-14.065833333333

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	Clay	Clinozoisite	Epidote	Feldspar	Gismondine	Gyrolite	Mica	Mordenite
Natrolite	None	Not in a structural group	Prehnite	Pyroxene	Quartz	Stilbite	Thomsonite	Titanite

Analcime ()*	Anhydrite ()*	Augite ()*	Calcite ()*	Epidote ()*
Epistilbite ()*	Garronite-Ca ()*	Gismondine ()*	Gyrolite ()*	Laumontite ()*
Mesolite ()*	Mordenite ()*	Muscovite ()*	Orthoclase ()*	Prehnite ()*
Quartz ()*	Scolecite ()*	Stilbite-Ca ()*	Thomsonite-Ca ()*	Titanite ()*
Wairakite ()*

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 Ti

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Analcime Calcite Clay Clinozoisite Epidote Feldspar Gismondine Gyrolite Mica Mordenite
Natrolite None Not in a structural group Prehnite Pyroxene Quartz Stilbite Thomsonite Titanite

21 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	7	65815,65821,65822,65824,65828,65833,65837	1627
Anhydrite ()*	Not in a structural group	Ca(SO₄)	1	65830	1588
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	1	65830	2060
Calcite ()*	Calcite	Ca(CO₃)	6	65813,65818,65824,65827,65828,65829	27770
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	65830	8173
Epistilbite ()*	Mordenite	Ca₃[Si₁₈Al₆O₄₈]·16H₂O	1	65824	138
Garronite-Ca ()*	Gismondine	Ca₃(Al₆Si₁₀O₃₂)·14H₂O	13	65806,65814,65815,65816,65817,65819,65822,65826,65829,65832,65833,65836,65837	66
Gismondine ()*	Gismondine	Ca₂(Si₄Al₄)O₁₆·8H₂O	6	65814,65816,65819,65826,65829,65832	128
Gyrolite ()*	Gyrolite	NaCa₁₆(Si₂₃Al)O₆₀(OH)₈·14H₂O	2	65824,65833	142
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	5	65813,65824,65827,65828,65830	1271
Mesolite ()*	Natrolite	Na₂Ca₂(Si₉Al₆)O₃₀·8H₂O	15	65804,65807,65808,65813,65814,65817,65818,65821,65822,65824,65826,65828,65829,65833,65837	425
Mordenite ()*	Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆·28H₂O	4	65807,65813,65824,65830	405
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	65830	17380
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	1	65824	2349
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	1	65830	1898
Quartz ()*	Quartz	SiO₂	11	65805,65810,65811,65813,65818,65824,65827,65828,65830,65831,65834	61156
Scolecite ()*	Natrolite	Ca(Si₃Al₂)O₁₀·3H₂O	3	65804,65811,65824	390
Stilbite-Ca ()*	Stilbite	NaCa₄(Si₂₇Al₉)O₇₂·28H₂O	1	65824	268
Thomsonite-Ca ()*	Thomsonite	NaCa₂(Al₅Si₅)O₂₀·6H₂O	1	65821	452
Titanite ()*	Titanite	CaTi(SiO₄)O	1	65830	4899
Wairakite ()*	Analcime	Ca(Si₄Al₂)O₁₂·2H₂O	1	65830	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...