Roadcut Rv 5, Kvineset, Førde, Sunnfjord, Vestland, Norway i
Regional Level Types
Roadcut Rv 5 Road Cutting
Kvineset Headland
Førde Municipality (Former)
Sunnfjord Municipality
Vestland County
Norway Country

Roadcut Rv 5, Kvineset, Sogn og Fjordane, Norway

Roadcut along Rv 5 (Naustdalsvegen, between Førde and Naustdal), about 200 m NW of Kvineset.

According to Krogh (1980), there are several small eclogite lenses along the road between Førde and Naustdal. He describes two of these bodies in more detail. One eclogite is a partly retrograded 5-6m thick (Lens 1), and the other is a larger body, ca 15m across (Lens 2). Lens two is zoned with a 10m thick core zone and a 2-3m wide unaltered "glaucophane" bearing zone. He also describe a small amphibolite body (1.5 x 4m) that represent a retrograded eclogite

The amphiboles in these bodies were considered "glaucophane" and "barroisitic" by Krogh. Re-calculating his analyses in accordance with the 2012 IMA amphibole nomenclature show that the amphiboles corresponds to glaucophane-, winchite-, katophorite-, barroisite-, taramite and pargasite root name group minerals.

A more detailed study of these amphiboles combining EPMA and Mössbauer spectroscopy will undoubtedly yield interesting results.

UTM coordinates 227,292, map-sheet 1217 IV

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

ⓘ Almandine

ⓘ 'Amphibole Supergroup'

10 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

ⓘ Eclogite

Detailed Mineral List:

ⓘ Almandine

Formula: Fe²⁺₃Al₂(SiO₄)₃

References:

Krogh, Erling J. (1980) Geochemistry and petrology of glaucophane-bearing eclogites and associated rocks from Sunnfjord, Western Norway. Lithos, 13 (4) 355-380 doi:10.1016/0024-4937(80)90054-7

ⓘ 'Amphibole Supergroup'

Formula: AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂

References:

Krogh, Erling J. (1980) Geochemistry and petrology of glaucophane-bearing eclogites and associated rocks from Sunnfjord, Western Norway. Lithos, 13 (4) 355-380 doi:10.1016/0024-4937(80)90054-7

ⓘ Barroisite

Formula: ◻{CaNa}{Mg₃Al₂}(AlSi₇O₂₂)(OH)₂

References:

Krogh, Erling J. (1980) Geochemistry and petrology of glaucophane-bearing eclogites and associated rocks from Sunnfjord, Western Norway. Lithos, 13 (4) 355-380 doi:10.1016/0024-4937(80)90054-7

ⓘ Glaucophane

Formula: ◻[Na₂][Mg₃Al₂]Si₈O₂₂(OH)₂

References:

Krogh, Erling J. (1980) Geochemistry and petrology of glaucophane-bearing eclogites and associated rocks from Sunnfjord, Western Norway. Lithos, 13 (4) 355-380 doi:10.1016/0024-4937(80)90054-7

ⓘ Hastingsite

Formula: NaCa₂(Fe²⁺₄Fe³⁺)(Si₆Al₂)O₂₂(OH)₂

References:

Krogh, Erling J. (1980) Geochemistry and petrology of glaucophane-bearing eclogites and associated rocks from Sunnfjord, Western Norway. Lithos, 13 (4) 355-380 doi:10.1016/0024-4937(80)90054-7

ⓘ Katophorite

Formula: {Na}{CaNa}{Mg₄Al}[(AlSi₇)O₂₂](OH)₂

References:

Krogh, Erling J. (1980) Geochemistry and petrology of glaucophane-bearing eclogites and associated rocks from Sunnfjord, Western Norway. Lithos, 13 (4) 355-380 doi:10.1016/0024-4937(80)90054-7

ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

References:

Krogh, Erling J. (1980) Geochemistry and petrology of glaucophane-bearing eclogites and associated rocks from Sunnfjord, Western Norway. Lithos, 13 (4) 355-380 doi:10.1016/0024-4937(80)90054-7

ⓘ Muscovite var. Phengite

Formula: KAl_1.5(Mg,Fe)_0.5(Al_0.5Si_3.5O₁₀)(OH)₂

References:

Krogh, Erling J. (1980) Geochemistry and petrology of glaucophane-bearing eclogites and associated rocks from Sunnfjord, Western Norway. Lithos, 13 (4) 355-380 doi:10.1016/0024-4937(80)90054-7

ⓘ Omphacite

Formula: (Na_aCa_bFe²⁺_cMg_d)(Al_eFe³⁺_fFe²⁺_gMg_h)Si₂O₆

References:

Krogh, Erling J. (1980) Geochemistry and petrology of glaucophane-bearing eclogites and associated rocks from Sunnfjord, Western Norway. Lithos, 13 (4) 355-380 doi:10.1016/0024-4937(80)90054-7

ⓘ Pargasite

Formula: NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂

References:

Krogh, Erling J. (1980) Geochemistry and petrology of glaucophane-bearing eclogites and associated rocks from Sunnfjord, Western Norway. Lithos, 13 (4) 355-380 doi:10.1016/0024-4937(80)90054-7

ⓘ Taramite

Formula: Na(CaNa)(Mg₃Al₂)(Al₂Si₆O₂₂)(OH)₂

Description: Identified as minute inclusion in garnet cores in unaltered eclogites

References:

Krogh, Erling J. (1980) Geochemistry and petrology of glaucophane-bearing eclogites and associated rocks from Sunnfjord, Western Norway. Lithos, 13 (4) 355-380 doi:10.1016/0024-4937(80)90054-7

ⓘ Winchite

Formula: ◻{CaNa}{Mg₄Al}(Si₈O₂₂)(OH)₂

References:

Krogh, Erling J. (1980) Geochemistry and petrology of glaucophane-bearing eclogites and associated rocks from Sunnfjord, Western Norway. Lithos, 13 (4) 355-380 doi:10.1016/0024-4937(80)90054-7

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 9 - Silicates
ⓘ	Almandine	9.AD.25	Fe²⁺₃Al₂(SiO₄)₃
ⓘ	Omphacite	9.DA.20	(Na_aCa_bFe²⁺_cMg_d)(Al_eFe³⁺_fFe²⁺_gMg_h)Si₂O₆
ⓘ	Hastingsite	9.DE.15	NaCa₂(Fe²⁺₄Fe³⁺)(Si₆Al₂)O₂₂(OH)₂
ⓘ	Pargasite	9.DE.15	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
ⓘ	Barroisite	9.DE.20	◻{CaNa}{Mg₃Al₂}(AlSi₇O₂₂)(OH)₂
ⓘ	Winchite	9.DE.20	◻{CaNa}{Mg₄Al}(Si₈O₂₂)(OH)₂
ⓘ	Taramite	9.DE.20	Na(CaNa)(Mg₃Al₂)(Al₂Si₆O₂₂)(OH)₂
ⓘ	Katophorite	9.DE.20	{Na}{CaNa}{Mg₄Al}[(AlSi₇)O₂₂](OH)₂
ⓘ	Glaucophane	9.DE.25	◻[Na₂][Mg₃Al₂]Si₈O₂₂(OH)₂
ⓘ	Muscovite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	var. Phengite	9.EC.15	KAl_1.5(Mg,Fe)_0.5(Al_0.5Si_3.5O₁₀)(OH)₂
Unclassified
ⓘ	'Amphibole Supergroup'	-	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
H	ⓘ Barroisite	◻{CaNa}{Mg₃Al₂}(AlSi₇O₂₂)(OH)₂
H	ⓘ Glaucophane	◻[Na₂][Mg₃Al₂]Si₈O₂₂(OH)₂
H	ⓘ Hastingsite	NaCa₂(Fe₄²⁺Fe³⁺)(Si₆Al₂)O₂₂(OH)₂
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
H	ⓘ Muscovite var. Phengite	KAl_1.5(Mg,Fe)_0.5(Al_0.5Si_3.5O₁₀)(OH)₂
H	ⓘ Winchite	◻{CaNa}{Mg₄Al}(Si₈O₂₂)(OH)₂
H	ⓘ Taramite	Na(CaNa)(Mg₃Al₂)(Al₂Si₆O₂₂)(OH)₂
H	ⓘ Katophorite	{Na}{CaNa}{Mg₄Al}[(AlSi₇)O₂₂](OH)₂
O	Oxygen
O	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
O	ⓘ Almandine	Fe₃²⁺Al₂(SiO₄)₃
O	ⓘ Barroisite	◻{CaNa}{Mg₃Al₂}(AlSi₇O₂₂)(OH)₂
O	ⓘ Glaucophane	◻[Na₂][Mg₃Al₂]Si₈O₂₂(OH)₂
O	ⓘ Hastingsite	NaCa₂(Fe₄²⁺Fe³⁺)(Si₆Al₂)O₂₂(OH)₂
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Omphacite	(Na_aCa_bFe_c²⁺Mg_d)(Al_eFe_f³⁺Fe_g²⁺Mg_h)Si₂O₆
O	ⓘ Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
O	ⓘ Muscovite var. Phengite	KAl_1.5(Mg,Fe)_0.5(Al_0.5Si_3.5O₁₀)(OH)₂
O	ⓘ Winchite	◻{CaNa}{Mg₄Al}(Si₈O₂₂)(OH)₂
O	ⓘ Taramite	Na(CaNa)(Mg₃Al₂)(Al₂Si₆O₂₂)(OH)₂
O	ⓘ Katophorite	{Na}{CaNa}{Mg₄Al}[(AlSi₇)O₂₂](OH)₂
F	Fluorine
F	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Na	Sodium
Na	ⓘ Barroisite	◻{CaNa}{Mg₃Al₂}(AlSi₇O₂₂)(OH)₂
Na	ⓘ Glaucophane	◻[Na₂][Mg₃Al₂]Si₈O₂₂(OH)₂
Na	ⓘ Hastingsite	NaCa₂(Fe₄²⁺Fe³⁺)(Si₆Al₂)O₂₂(OH)₂
Na	ⓘ Omphacite	(Na_aCa_bFe_c²⁺Mg_d)(Al_eFe_f³⁺Fe_g²⁺Mg_h)Si₂O₆
Na	ⓘ Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
Na	ⓘ Winchite	◻{CaNa}{Mg₄Al}(Si₈O₂₂)(OH)₂
Na	ⓘ Taramite	Na(CaNa)(Mg₃Al₂)(Al₂Si₆O₂₂)(OH)₂
Na	ⓘ Katophorite	{Na}{CaNa}{Mg₄Al}[(AlSi₇)O₂₂](OH)₂
Mg	Magnesium
Mg	ⓘ Barroisite	◻{CaNa}{Mg₃Al₂}(AlSi₇O₂₂)(OH)₂
Mg	ⓘ Glaucophane	◻[Na₂][Mg₃Al₂]Si₈O₂₂(OH)₂
Mg	ⓘ Omphacite	(Na_aCa_bFe_c²⁺Mg_d)(Al_eFe_f³⁺Fe_g²⁺Mg_h)Si₂O₆
Mg	ⓘ Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
Mg	ⓘ Muscovite var. Phengite	KAl_1.5(Mg,Fe)_0.5(Al_0.5Si_3.5O₁₀)(OH)₂
Mg	ⓘ Winchite	◻{CaNa}{Mg₄Al}(Si₈O₂₂)(OH)₂
Mg	ⓘ Taramite	Na(CaNa)(Mg₃Al₂)(Al₂Si₆O₂₂)(OH)₂
Mg	ⓘ Katophorite	{Na}{CaNa}{Mg₄Al}[(AlSi₇)O₂₂](OH)₂
Al	Aluminium
Al	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Al	ⓘ Almandine	Fe₃²⁺Al₂(SiO₄)₃
Al	ⓘ Barroisite	◻{CaNa}{Mg₃Al₂}(AlSi₇O₂₂)(OH)₂
Al	ⓘ Glaucophane	◻[Na₂][Mg₃Al₂]Si₈O₂₂(OH)₂
Al	ⓘ Hastingsite	NaCa₂(Fe₄²⁺Fe³⁺)(Si₆Al₂)O₂₂(OH)₂
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Omphacite	(Na_aCa_bFe_c²⁺Mg_d)(Al_eFe_f³⁺Fe_g²⁺Mg_h)Si₂O₆
Al	ⓘ Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
Al	ⓘ Muscovite var. Phengite	KAl_1.5(Mg,Fe)_0.5(Al_0.5Si_3.5O₁₀)(OH)₂
Al	ⓘ Winchite	◻{CaNa}{Mg₄Al}(Si₈O₂₂)(OH)₂
Al	ⓘ Taramite	Na(CaNa)(Mg₃Al₂)(Al₂Si₆O₂₂)(OH)₂
Al	ⓘ Katophorite	{Na}{CaNa}{Mg₄Al}[(AlSi₇)O₂₂](OH)₂
Si	Silicon
Si	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Si	ⓘ Almandine	Fe₃²⁺Al₂(SiO₄)₃
Si	ⓘ Barroisite	◻{CaNa}{Mg₃Al₂}(AlSi₇O₂₂)(OH)₂
Si	ⓘ Glaucophane	◻[Na₂][Mg₃Al₂]Si₈O₂₂(OH)₂
Si	ⓘ Hastingsite	NaCa₂(Fe₄²⁺Fe³⁺)(Si₆Al₂)O₂₂(OH)₂
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Omphacite	(Na_aCa_bFe_c²⁺Mg_d)(Al_eFe_f³⁺Fe_g²⁺Mg_h)Si₂O₆
Si	ⓘ Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
Si	ⓘ Muscovite var. Phengite	KAl_1.5(Mg,Fe)_0.5(Al_0.5Si_3.5O₁₀)(OH)₂
Si	ⓘ Winchite	◻{CaNa}{Mg₄Al}(Si₈O₂₂)(OH)₂
Si	ⓘ Taramite	Na(CaNa)(Mg₃Al₂)(Al₂Si₆O₂₂)(OH)₂
Si	ⓘ Katophorite	{Na}{CaNa}{Mg₄Al}[(AlSi₇)O₂₂](OH)₂
Cl	Chlorine
Cl	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
K	Potassium
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
K	ⓘ Muscovite var. Phengite	KAl_1.5(Mg,Fe)_0.5(Al_0.5Si_3.5O₁₀)(OH)₂
Ca	Calcium
Ca	ⓘ Barroisite	◻{CaNa}{Mg₃Al₂}(AlSi₇O₂₂)(OH)₂
Ca	ⓘ Hastingsite	NaCa₂(Fe₄²⁺Fe³⁺)(Si₆Al₂)O₂₂(OH)₂
Ca	ⓘ Omphacite	(Na_aCa_bFe_c²⁺Mg_d)(Al_eFe_f³⁺Fe_g²⁺Mg_h)Si₂O₆
Ca	ⓘ Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
Ca	ⓘ Winchite	◻{CaNa}{Mg₄Al}(Si₈O₂₂)(OH)₂
Ca	ⓘ Taramite	Na(CaNa)(Mg₃Al₂)(Al₂Si₆O₂₂)(OH)₂
Ca	ⓘ Katophorite	{Na}{CaNa}{Mg₄Al}[(AlSi₇)O₂₂](OH)₂
Ti	Titanium
Ti	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Fe	Iron
Fe	ⓘ Almandine	Fe₃²⁺Al₂(SiO₄)₃
Fe	ⓘ Hastingsite	NaCa₂(Fe₄²⁺Fe³⁺)(Si₆Al₂)O₂₂(OH)₂
Fe	ⓘ Omphacite	(Na_aCa_bFe_c²⁺Mg_d)(Al_eFe_f³⁺Fe_g²⁺Mg_h)Si₂O₆
Fe	ⓘ Muscovite var. Phengite	KAl_1.5(Mg,Fe)_0.5(Al_0.5Si_3.5O₁₀)(OH)₂

Other Regions, Features and Areas containing this locality

Baltic Shield (Fennoscandian Shield)Shield

Eurasian PlateTectonic Plate

CaldeonidesOrogenic Belt

EuropeContinent

Norway

⭔Sogn og FjordaneCounty
Western Gneiss RegionGeologic Region

ScandinaviaRegion

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References

Krogh, Erling J. (1980) Geochemistry and petrology of glaucophane-bearing eclogites and associated rocks from Sunnfjord, Western Norway. Lithos, 13 (4) 355-380 doi:10.1016/0024-4937(80)90054-7

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