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Bøylefossbru, Froland, Aust-Agder, Norway

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Name(s) in local language(s):Bøylefoss bru, Froland kommune, Aust-Agder fylke, Norge
Latitude & Longitude (WGS84): 58° 35' 51'' North , 8° 42' 37'' East
Latitude & Longitude (decimal): 58.59761,8.71047
GeoHash:G#: u4qjq5qgb
Köppen climate type:Dfb : Warm-summer humid continental climate


A cordierite-orthoamphibole rock locality.

Coordinates are for the bridge.


Coordinates © Kartverket - https://www.kartverket.no

Regions containing this locality

Scandinavia

Region - 2,031 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


8 valid minerals.

Detailed Mineral List:

Andalusite
Formula: Al2(SiO4)O
Reference: D.Visser; The metamorphic evolution of the bamble sector, south Norway, Geologica Ultraiectina No.103, University of Utrecht, Netherlands. 1993
Cordierite
Formula: (Mg,Fe)2Al3(AlSi5O18)
Reference: D.Visser; The metamorphic evolution of the bamble sector, south Norway, Geologica Ultraiectina No.103, University of Utrecht, Netherlands. 1993
Dumortierite
Formula: (Al,Fe3+)7(SiO4)3(BO3)O3
Description: Found in alteration assemblages after cordierite
Reference: Nijland, T.G., Zwaan, J.C & Touret, L. (1998): Topograpical mineralogy of the Bamble sector, south Norway. Scripta Geologica 118, 46 pp
Gedrite
Formula: ☐{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
Reference: D.Visser; The metamorphic evolution of the bamble sector, south Norway, Geologica Ultraiectina No.103, University of Utrecht, Netherlands. 1993
Grandidierite
Formula: (Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
Reference: Nijland, T.G., Zwaan, J.C & Touret, L. (1998): Topograpical mineralogy of the Bamble sector, south Norway. Scripta Geologica 118, 46 pp
Kornerupine
Formula: Mg3Al6(Si,Al,B)5O21(OH)
Reference: Nijland, T.G., Zwaan, J.C & Touret, L. (1998): Topograpical mineralogy of the Bamble sector, south Norway. Scripta Geologica 118, 46 pp
Kyanite
Formula: Al2(SiO4)O
Reference: D.Visser; The metamorphic evolution of the bamble sector, south Norway, Geologica Ultraiectina No.103, University of Utrecht, Netherlands. 1993
Magnesiodumortierite
Formula: (Mg,Ti,◻(Al,Mg)2Al4Si3O18-y(OH)yB y = 2-3
Reference: Visser, D. and A. Senior (1991):Mg-rich dumortierite in cordierite-orthoamphibole-bearing rocks from the high-grade Bamble Sector, south Norway. Mineralogical Magazine 55, 563-577

List of minerals arranged by Strunz 10th Edition classification

Group 9 - Silicates
'Andalusite'9.AF.10Al2(SiO4)O
'Cordierite'9.CJ.10(Mg,Fe)2Al3(AlSi5O18)
'Dumortierite'9.AJ.10(Al,Fe3+)7(SiO4)3(BO3)O3
'Gedrite'9.DD.05☐{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
'Grandidierite'9.AJ.05(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
'Kornerupine'9.BJ.50Mg3Al6(Si,Al,B)5O21(OH)
'Kyanite'9.AF.15Al2(SiO4)O
'Magnesiodumortierite'9.AJ.10(Mg,Ti,◻(Al,Mg)2Al4Si3O18-y(OH)yB y = 2-3

List of minerals arranged by Dana 8th Edition classification

Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [4] and >[4] coordination
Andalusite52.2.2b.1Al2(SiO4)O
Kyanite52.2.2c.1Al2(SiO4)O
Group 54 - NESOSILICATES Borosilicates and Some Beryllosilicates
Borosilicates and Some Beryllosilicates with (BO3)
Dumortierite54.1.2.1(Al,Fe3+)7(SiO4)3(BO3)O3
Grandidierite54.1.1.1(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
Magnesiodumortierite54.1.2.2(Mg,Ti,◻(Al,Mg)2Al4Si3O18-y(OH)yB y = 2-3
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [4] and higher coordination; single and double groups (n=1, 2)
Kornerupine58.1.1.1Mg3Al6(Si,Al,B)5O21(OH)
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with Al substituted rings
Cordierite61.2.1.1(Mg,Fe)2Al3(AlSi5O18)
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Gedrite66.1.2.5☐{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2

List of minerals for each chemical element

HHydrogen
H Gedrite☐{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
H KornerupineMg3Al6(Si,Al,B)5O21(OH)
H Magnesiodumortierite(Mg,Ti,◻(Al,Mg)2Al4Si3O18-y(OH)yB y = 2-3
BBoron
B Dumortierite(Al,Fe3+)7(SiO4)3(BO3)O3
B Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
B KornerupineMg3Al6(Si,Al,B)5O21(OH)
B Magnesiodumortierite(Mg,Ti,◻(Al,Mg)2Al4Si3O18-y(OH)yB y = 2-3
OOxygen
O AndalusiteAl2(SiO4)O
O Cordierite(Mg,Fe)2Al3(AlSi5O18)
O Dumortierite(Al,Fe3+)7(SiO4)3(BO3)O3
O Gedrite☐{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
O Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
O KornerupineMg3Al6(Si,Al,B)5O21(OH)
O KyaniteAl2(SiO4)O
O Magnesiodumortierite(Mg,Ti,◻(Al,Mg)2Al4Si3O18-y(OH)yB y = 2-3
MgMagnesium
Mg Cordierite(Mg,Fe)2Al3(AlSi5O18)
Mg Gedrite☐{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
Mg Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
Mg KornerupineMg3Al6(Si,Al,B)5O21(OH)
Mg Magnesiodumortierite(Mg,Ti,◻(Al,Mg)2Al4Si3O18-y(OH)yB y = 2-3
AlAluminium
Al AndalusiteAl2(SiO4)O
Al Cordierite(Mg,Fe)2Al3(AlSi5O18)
Al Dumortierite(Al,Fe3+)7(SiO4)3(BO3)O3
Al Gedrite☐{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
Al Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
Al KornerupineMg3Al6(Si,Al,B)5O21(OH)
Al KyaniteAl2(SiO4)O
Al Magnesiodumortierite(Mg,Ti,◻(Al,Mg)2Al4Si3O18-y(OH)yB y = 2-3
SiSilicon
Si AndalusiteAl2(SiO4)O
Si Cordierite(Mg,Fe)2Al3(AlSi5O18)
Si Dumortierite(Al,Fe3+)7(SiO4)3(BO3)O3
Si Gedrite☐{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
Si Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
Si KornerupineMg3Al6(Si,Al,B)5O21(OH)
Si KyaniteAl2(SiO4)O
Si Magnesiodumortierite(Mg,Ti,◻(Al,Mg)2Al4Si3O18-y(OH)yB y = 2-3
FeIron
Fe Cordierite(Mg,Fe)2Al3(AlSi5O18)
Fe Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Proterozoic
541 - 2500 Ma



ID: 3186372
Proterozoic crystalline metamorphic rocks

Age: Proterozoic (541 - 2500 Ma)

Lithology: Granitoid gneiss; orthogneiss/paragneiss

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Mesoproterozoic
1000 - 1600 Ma



ID: 3158480
Proterozoic II granite

Age: Mesoproterozoic (1000 - 1600 Ma)

Lithology: Major:{granite}, Minor{monzonite,meta-granite,meta-monzonite}

Reference: Asch, K. The 1:5M International Geological Map of Europe and Adjacent Areas: Development and Implementation of a GIS-enabled Concept. Geologisches Jahrbuch, SA 3. [147]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Nijland, T.G., Zwaan, J.C & Touret, L. (1998): Topographical mineralogy of the Bamble sector, south Norway. Scripta Geologica 118, 46 pp
Visser, D. and A. Senior (1991): Mg-rich dumortierite in cordierite-orthoamphibole-bearing rocks from the high-grade Bamble Sector, south Norway. Mineralogical Magazine 55, 563-577
Visser, D. (1995): Kornerupine in a biotite-spinel-garnet schist near Böylefossbru, Bamble Sector, south Norway: implications for early and late metamorphic fluid activity. Neues Jahrbuch für Mineralogie Abhandlungen 169, 1-34


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