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Helgehornsvatnet, Vanylven, Møre og Romsdal, Norwayi
Regional Level Types
Helgehornsvatnet- not defined -
VanylvenMunicipality
Møre og RomsdalCounty
NorwayCountry

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Name(s) in local language(s):Helgehornsvatnet, Vanylven, Møre og Romsdal, Norge
Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 62° 1' 13'' North , 5° 35' 41'' East (est.)
Margin of Error:~0km
Köppen climate type:Cfc : Subpolar oceanic climate


Outcrop of coarse-grained garnet peridotite at the northeastern part og the Helgehornsvatnet near Lien Farm .

Nice specimens of garnet peridotite, a garnet-lherzolite with greenish chromian diopside and reddish chromian pyrope were collected here in the 1970s and the beginning of 1980s. The site were blasted heavily for decorative rock specimens specimen. These are often erronously labelled " eclogite". The locality is now protected as a national natural heritage site (Law of 16.11.1984 nr. 1895), and collecting is strictly forbidden.

Regions containing this locality

Eurasian Plate (Eurasia Plate)Plate
EuropeContinent
ScandinaviaRegion

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


3 valid minerals.

List of minerals arranged by Strunz 10th Edition classification

Group 9 - Silicates
Diopside9.DA.15CaMgSi2O6
var: Chromian Diopside9.DA.15Ca(Mg,Cr)Si2O6
Enstatite9.DA.05MgSiO3
var: Bronzite9.DA.05(Mg,Fe2+)2[SiO3]2
Pyrope9.AD.25Mg3Al2(SiO4)3
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-
'Fayalite-Forsterite Series'-
'Garnet Group'-X3Z2(SiO4)3
'Kelyphite'-
'Orthopyroxene Subgroup'-

List of minerals arranged by Dana 8th Edition classification

Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Pyrope51.4.3a.1Mg3Al2(SiO4)3
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Diopside65.1.3a.1CaMgSi2O6
Enstatite65.1.2.1MgSiO3
Unclassified Minerals, Mixtures, etc.
'Chlorite Group'-
Diopside
var: Chromian Diopside
-Ca(Mg,Cr)Si2O6
Enstatite
var: Bronzite
-(Mg,Fe2+)2[SiO3]2
'Fayalite-Forsterite Series'-
'Garnet Group'-X3Z2(SiO4)3
'Kelyphite'-
'Orthopyroxene Subgroup'-

List of minerals for each chemical element

OOxygen
O Garnet GroupX3Z2(SiO4)3
O PyropeMg3Al2(SiO4)3
O Diopside (var: Chromian Diopside)Ca(Mg,Cr)Si2O6
O Enstatite (var: Bronzite)(Mg,Fe2+)2[SiO3]2
O EnstatiteMgSiO3
O DiopsideCaMgSi2O6
MgMagnesium
Mg PyropeMg3Al2(SiO4)3
Mg Diopside (var: Chromian Diopside)Ca(Mg,Cr)Si2O6
Mg Enstatite (var: Bronzite)(Mg,Fe2+)2[SiO3]2
Mg EnstatiteMgSiO3
Mg DiopsideCaMgSi2O6
AlAluminium
Al PyropeMg3Al2(SiO4)3
SiSilicon
Si Garnet GroupX3Z2(SiO4)3
Si PyropeMg3Al2(SiO4)3
Si Diopside (var: Chromian Diopside)Ca(Mg,Cr)Si2O6
Si Enstatite (var: Bronzite)(Mg,Fe2+)2[SiO3]2
Si EnstatiteMgSiO3
Si DiopsideCaMgSi2O6
CaCalcium
Ca Diopside (var: Chromian Diopside)Ca(Mg,Cr)Si2O6
Ca DiopsideCaMgSi2O6
CrChromium
Cr Diopside (var: Chromian Diopside)Ca(Mg,Cr)Si2O6
FeIron
Fe Enstatite (var: Bronzite)(Mg,Fe2+)2[SiO3]2

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Medaris L.G.(1980): Convergent metamorphism of eclogite and garnet-bearing ultramafic rocks at Lien, West Norway. Nature 1980; 283:470-472.
Augsten, R. (2014): Peridot-das "grüne Gold" vom Nordfjord. Lapis. 39 (11), 12-20.

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