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:
Reydarfjörđur, Fjarðabyggð, Eastern Region, Iceland

mindat Locality ID: 206683
mindat URL: http://www.mindat.org/loc-206683.html

Tectonic Settings:

Total number of sublocalities beneath "Reydarfjörđur, Fjarðabyggð, Eastern Region, Iceland": 9
Total number of bottom-level sublocalities: 9

Number of Child Localities: 9
Child Localities:
Fossdalur
Helgustadir Mine
Hólmaháls
Mount Skessa
Reydarfjordur Drill Hole
Road F936 Áreyjadal
Skagafell
Teigargerdistindur
Vattarnes

Latitude: 65°1'10"N
Longitude: 14°6'44"W
Decimal Degree (lat, lon): 65.019444444444,-14.112222222222

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	Gismondine	Gyrolite	Mica	Mordenite	Natrolite
None	Not in a structural group	Prehnite	Pyroxene	Quartz	Titanite

Analcime ()*	Anhydrite ()*	Augite ()*	Calcite ()*	Epidote ()*
Garronite-Ca ()*	Gismondine ()*	Gyrolite ()*	Laumontite ()*	Mesolite ()*
Mordenite ()*	Muscovite ()*	Prehnite ()*	Quartz ()*	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 Gismondine Gyrolite Mica Mordenite Natrolite
None Not in a structural group Prehnite Pyroxene Quartz Titanite

16 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	2	65828,65833	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)	3	65827,65828,65829	27770
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	65830	8173
Garronite-Ca ()*	Gismondine	Ca₃(Al₆Si₁₀O₃₂)·14H₂O	4	65826,65829,65832,65833	66
Gismondine ()*	Gismondine	Ca₂(Si₄Al₄)O₁₆·8H₂O	3	65826,65829,65832	128
Gyrolite ()*	Gyrolite	NaCa₁₆(Si₂₃Al)O₆₀(OH)₈·14H₂O	1	65833	142
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	3	65827,65828,65830	1271
Mesolite ()*	Natrolite	Na₂Ca₂(Si₉Al₆)O₃₀·8H₂O	4	65826,65828,65829,65833	425
Mordenite ()*	Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆·28H₂O	1	65830	405
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	65830	17380
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	1	65830	1898
Quartz ()*	Quartz	SiO₂	5	65827,65828,65830,65831,65834	61156
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...