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Østerfjeld, Qaarsut, Nuussuaq Peninsula, Avannaata, Greenlandi
Regional Level Types
ØsterfjeldOutcrop
QaarsutVillage
Nuussuaq PeninsulaPeninsula
AvannaataMunicipality
GreenlandAutonomous Territory

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PhotosMapsSearch
00052450014950328363085.jpg
Kaersutite

Østerfjeld, Qaarsut, Nuussuaq Peninsula, Avannaata, Greenland
00382200014950794937772.jpg
Kaersutite

Østerfjeld, Qaarsut, Nuussuaq Peninsula, Avannaata, Greenland
01629520014950794846646.jpg
Kaersutite

Østerfjeld, Qaarsut, Nuussuaq Peninsula, Avannaata, Greenland
03536140014947296212158.jpg
Kaersutite

Østerfjeld, Qaarsut, Nuussuaq Peninsula, Avannaata, Greenland
00108520014950781758214.jpg
Kaersutite

Østerfjeld, Qaarsut, Nuussuaq Peninsula, Avannaata, Greenland
01629520014950794846646.jpg
Kaersutite

Østerfjeld, Qaarsut, Nuussuaq Peninsula, Avannaata, Greenland
00052450014950328363085.jpg
Kaersutite

Østerfjeld, Qaarsut, Nuussuaq Peninsula, Avannaata, Greenland
00382200014950794937772.jpg
Kaersutite

Østerfjeld, Qaarsut, Nuussuaq Peninsula, Avannaata, Greenland
Latitude & Longitude (WGS84):
70° North , 52° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~1km
GRN:
N48W14
Type:
Outcrop
Köppen climate type:
ET : Tundra
Other Languages:
Danish:
Østerfjeld, Qaarsut, Nuussuaq-halvøen, Avannaata Kommune, Grønland


Qaersut is a small, remote village on the east coast of Greenland, and the type locality of kaersutite. The Qaersut amphibole was first described as a new mineral by Lorenzen (1884) on the account of its high Ti content. It took some time before kaersutite was acknowledged as a separate species as its optical properties was inseparable from other amphiboles, and chemistry was, at the time, one of many characteristics defining a mineral species.

The Kaersutite typelocality is a 50 meter thick peridotitic sills. Feldspar-bearing veins and pegmatites in a peridotite (picrite) sill.

Kaersutite was found in a nearly horizontal, 50m thick peridotite (picrite) sill penetrating Devonian sandstone. The peridotite sill is not homogenous, having some layers enriched in augite and a 1-2m wide doleritic band in the center. Benson (1939) describe numerous segregations of kaersutite-bearing pegmatite comprising a horizontal sheet 35-40cm thick traversing the upper portion of the sill” .

Kaersuitte is found as several cm long elongated crystals embedded in feldspar. Published analytical data from this rather unusual occurrence shows a Ti content between 0,9 and 1,2 apfu or +/- 10%wt TiO2.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


6 valid minerals. 1 (TL) - type locality of 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

Detailed Mineral List:

ⓘ Analcime
Formula: Na(AlSi2O6) · H2O
Reference: Bøggild, O.B. (1953): The Mineralogy of Greenland. Meddelelser om Grønland, Reitzels Forlag København. Bd. 149. Nr. 3. 445 pages. (p. 357)
ⓘ Anorthite
Formula: Ca(Al2Si2O8)
Reference: Bøggild, O.B. (1953): The Mineralogy of Greenland. Meddelelser om Grønland, Reitzels Forlag København. Bd. 149. Nr. 3. 445 pages. (p. 296)
ⓘ Anorthite var. Labradorite
Formula: (Ca,Na)[Al(Al,Si)Si2O8]
Reference: Bøggild, O.B. (1953): The Mineralogy of Greenland. Meddelelser om Grønland, Reitzels Forlag København. Bd. 149. Nr. 3. 445 pages. (p. 296)
ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Reference: Bøggild, O.B. (1953): The Mineralogy of Greenland. Meddelelser om Grønland, Reitzels Forlag København. Bd. 149. Nr. 3. 445 pages. (p. 275)
ⓘ Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
Reference: Bøggild, O.B. (1953): The Mineralogy of Greenland. Meddelelser om Grønland, Reitzels Forlag København. Bd. 149. Nr. 3. 445 pages. (p. 275)
ⓘ Augite var. Titanium-bearing Augite
Formula: (Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
Reference: Donaldson, C. (1977): Kaersutite overgrowths on highly aluminous Titanaugite in the Quarsut sill, Mineralogical Magazine, 41: 297-300
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Reference: Bøggild, O.B. (1953): The Mineralogy of Greenland. Meddelelser om Grønland, Reitzels Forlag København. Bd. 149. Nr. 3. 445 pages. (p. 275)
ⓘ 'Chlorite Group'
Reference: Bøggild, O.B. (1953): The Mineralogy of Greenland. Meddelelser om Grønland, Reitzels Forlag København. Bd. 149. Nr. 3. 445 pages. (p. 275)
ⓘ 'Fayalite-Forsterite Series'
Reference: Bøggild, O.B. (1953): The Mineralogy of Greenland. Meddelelser om Grønland, Reitzels Forlag København. Bd. 149. Nr. 3. 445 pages. (p. 185)
ⓘ 'Feldspar Group'
Reference: Bøggild, O.B. (1953): The Mineralogy of Greenland. Meddelelser om Grønland, Reitzels Forlag København. Bd. 149. Nr. 3. 445 pages. (p. 275)
ⓘ Hematite
Formula: Fe2O3
Reference: Bøggild, O.B. (1953): The Mineralogy of Greenland. Meddelelser om Grønland, Reitzels Forlag København. Bd. 149. Nr. 3. 445 pages. (p. 275)
trans.png
Kaersutite

Østerfjeld, Qaarsut, Nuussuaq Peninsula, Avannaata, Greenland
ⓘ Kaersutite (TL)
Formula: NaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Type Locality:
Reference: Bøggild, O.B. (1953): The Mineralogy of Greenland. Meddelelser om Grønland, Reitzels Forlag København. Bd. 149. Nr. 3. 445 pages. (p. 296)
ⓘ 'Limonite'
Reference: Bøggild, O.B. (1953): The Mineralogy of Greenland. Meddelelser om Grønland, Reitzels Forlag København. Bd. 149. Nr. 3. 445 pages. (p. 275)
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
Reference: Bøggild, O.B. (1953): The Mineralogy of Greenland. Meddelelser om Grønland, Reitzels Forlag København. Bd. 149. Nr. 3. 445 pages. (p. 275)
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
Reference: Donaldson, C. (1977): Kaersutite overgrowths on highly aluminous Titanaugite in the Quarsut sill, Mineralogical Magazine, 41: 297-300

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘHematite4.CB.05Fe2O3
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
Group 9 - Silicates
ⓘAnalcime9.GB.05Na(AlSi2O6) · H2O
ⓘAnorthite9.FA.35Ca(Al2Si2O8)
ⓘvar. Labradorite9.FA.35(Ca,Na)[Al(Al,Si)Si2O8]
ⓘAugite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘvar. Titanium-bearing Augite9.DA.15(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
ⓘKaersutite (TL)9.DE.15NaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Unclassified Minerals, Rocks, etc.
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
ⓘ'Chlorite Group'-
ⓘ'Fayalite-Forsterite Series'-
ⓘ'Feldspar Group'-
ⓘ'Limonite'-
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8

List of minerals for each chemical element

HHydrogen
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
Hⓘ AnalcimeNa(AlSi2O6) · H2O
OOxygen
Oⓘ KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Oⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ HematiteFe2O3
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
Oⓘ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Oⓘ AnalcimeNa(AlSi2O6) · H2O
Oⓘ AnorthiteCa(Al2Si2O8)
Oⓘ Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naⓘ KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Naⓘ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Naⓘ AnalcimeNa(AlSi2O6) · H2O
Naⓘ Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgⓘ KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Mgⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Mgⓘ Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
AlAluminium
Alⓘ KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Alⓘ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Alⓘ AnalcimeNa(AlSi2O6) · H2O
Alⓘ AnorthiteCa(Al2Si2O8)
Alⓘ Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siⓘ KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Siⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Siⓘ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Siⓘ AnalcimeNa(AlSi2O6) · H2O
Siⓘ AnorthiteCa(Al2Si2O8)
Siⓘ Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
PPhosphorus
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
ClChlorine
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
CaCalcium
Caⓘ KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Caⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
Caⓘ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Caⓘ AnorthiteCa(Al2Si2O8)
Caⓘ Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
TiTitanium
Tiⓘ KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Tiⓘ Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
FeIron
Feⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ HematiteFe2O3
Feⓘ Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Bøggild, O.B. (1953): The Mineralogy of Greenland. Meddelelser om Grønland, Reitzels Forlag København. Bd. 149. Nr. 3. 445 pages. (p. 185)
Donaldson, C. (1977): Kaersutite overgrowths on highly aluminous Titanaugite in the Quarsut sill, Mineralogical Magazine, 41: 297-300
Petersen, O. V. & Johnsen, O. (2005): Mineral species first described from Greenland. Canadian Mineralogist, Special publication no. 8.

Other Regions, Features and Areas containing this locality

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North Atlantic Igneous ProvinceLarge Igneous Province

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