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:
Borgarbyggð, Western Region, Iceland


mindat Locality ID: 208005
mindat URL: http://www.mindat.org/loc-208005.html

Tectonic Settings:

Total number of sublocalities beneath "Borgarbyggð, Western Region, Iceland": 13
Total number of bottom-level sublocalities: 9

Number of Child Localities: 6
Child Localities:
Borgarfjördur
Haugar
Hvammur
Hvitarsiða
Svignaskarð
Svignaskarð Quarry

Latitude: 64°41'25"N
Longitude: 21°31'55"W
Decimal Degree (lat, lon): 64.690277777778,-21.531944444444

AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe 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.

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 Ca H Na O Si 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AnalcimeLévyneMordeniteNatroliteNoneNot in a structural groupQuartz

10 IMA Minerals at location:
Analcime  (*)Cowlesite  (*)Epistilbite  (*)Laumontite  (*)Lévyne-Ca  (*)
Mesolite  (*)Natrolite  (*)Quartz  (*)Scolecite  (*)Yugawaralite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Analcime  (*)AnalcimeNa(AlSi2O6)·H2O1659381627
Cowlesite  (*)NoneCa(Al2Si3)O10·5-6H2O16593884
Epistilbite  (*)MordeniteCa3[Si18Al6O48]·16H2O165942138
Laumontite  (*)Not in a structural groupCaAl2Si4O12·4H2O1659351271
Lévyne-Ca  (*)LévyneCa3(Si12Al6)O36·18H2O265937,6593842
Mesolite  (*)NatroliteNa2Ca2(Si9Al6)O30·8H2O365934,65938,65944425
Natrolite  (*)NatroliteNa2(Si3Al2)O10·2H2O265935,659431236
Quartz  (*)QuartzSiO216594261156
Scolecite  (*)NatroliteCa(Si3Al2)O10·3H2O265943,65944390
Yugawaralite  (*)NoneCa(Si6Al2)O16·4H2O16594333



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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