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Fiskenæsset old harbour, Fiskenæsset (Fiskenaesset; Qeqertarsuatsiaat), Nuuk (Godthåb), Sermersooq, Greenland, Denmarki
Regional Level Types
Fiskenæsset old harbour- not defined -
Fiskenæsset (Fiskenaesset; Qeqertarsuatsiaat)- not defined -
Nuuk (Godthåb)Municipality (Former)
GreenlandConstituent Country

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Latitude & Longitude (WGS84): 63° 5' 14'' North , 50° 40' 41'' West
Latitude & Longitude (decimal): 63.08722,-50.67806
GeoHash:G#: fg5yyu9me
Köppen climate type:ET : Tundra
Nearest Settlements:
Qeqertarsuatsiaat261 (2011)0.1km
Other/historical names associated with this locality:Fiskernæs (Fiskenaes)

Lenses of ultramafic rocks located along the top contact (major thrust zone) of the Fiskenaesset complex (anorthosite-leucogabbro intrusion in Archean gneisses) with an overlying meta-volcanite amphibolite.

Rocks with hogbomite and sapphirine are known, bounding to the West the UMF rocks.

Regions containing this locality

North America PlatePlate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

10 valid minerals. 2 (TL) - type locality of valid minerals.

Detailed Mineral List:

Formula: Ca(Al2Si2O8)
'Chlorite Group'
Cordierite ?
Formula: (Mg,Fe)2Al3(AlSi5O18)
Formula: Al2O3
Formula: MgSiO3
Enstatite var: Bronzite
Formula: (Mg,Fe2+)2[SiO3]2
Formula: ☐{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
Kornerupine (TL)
Formula: Mg3Al6(Si,Al,B)5O21(OH)
Type Locality:
Formula: ☐{Ca2}{Mg4Al}(AlSi7O22)(OH)2
'Mica Group'
Phlogopite ?
Formula: KMg3(AlSi3O10)(OH)2
Sapphirine (TL)
Formula: Mg4(Mg3Al9)O4[Si3Al9O36]
Type Locality:
Formula: MgAl2O4

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Group 9 - Silicates
Cordierite ?9.CJ.10(Mg,Fe)2Al3(AlSi5O18)
var: Bronzite9.DA.05(Mg,Fe2+)2[SiO3]2
Kornerupine (TL)9.BJ.50Mg3Al6(Si,Al,B)5O21(OH)
Phlogopite ?9.EC.20KMg3(AlSi3O10)(OH)2
Sapphirine (TL)9.DH.45Mg4(Mg3Al9)O4[Si3Al9O36]
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-
'Mica Group'-

List of minerals arranged by Dana 8th Edition classification

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)
Kornerupine (TL),Al,B)5O21(OH)
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with Al substituted rings
Cordierite ?,Fe)2Al3(AlSi5O18)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Group 69 - INOSILICATES Chains with Side Branches or Loops
Chains with Side Branches or Loops with P>2
Sapphirine (TL)69.2.1b.1Mg4(Mg3Al9)O4[Si3Al9O36]
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Phlogopite ?71.2.2b.1KMg3(AlSi3O10)(OH)2
Unclassified Minerals, Mixtures, etc.
'Chlorite Group'-
var: Bronzite
'Mica Group'-

List of minerals for each chemical element

H KornerupineMg3Al6(Si,Al,B)5O21(OH)
H Magnesio-hornblende☐{Ca2}{Mg4Al}(AlSi7O22)(OH)2
H Gedrite☐{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
H PhlogopiteKMg3(AlSi3O10)(OH)2
B KornerupineMg3Al6(Si,Al,B)5O21(OH)
O KornerupineMg3Al6(Si,Al,B)5O21(OH)
O SapphirineMg4(Mg3Al9)O4[Si3Al9O36]
O SpinelMgAl2O4
O Magnesio-hornblende☐{Ca2}{Mg4Al}(AlSi7O22)(OH)2
O Gedrite☐{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
O CorundumAl2O3
O AnorthiteCa(Al2Si2O8)
O Enstatite (var: Bronzite)(Mg,Fe2+)2[SiO3]2
O EnstatiteMgSiO3
O PhlogopiteKMg3(AlSi3O10)(OH)2
O Cordierite(Mg,Fe)2Al3(AlSi5O18)
Mg KornerupineMg3Al6(Si,Al,B)5O21(OH)
Mg SapphirineMg4(Mg3Al9)O4[Si3Al9O36]
Mg SpinelMgAl2O4
Mg Magnesio-hornblende☐{Ca2}{Mg4Al}(AlSi7O22)(OH)2
Mg Gedrite☐{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
Mg Enstatite (var: Bronzite)(Mg,Fe2+)2[SiO3]2
Mg EnstatiteMgSiO3
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
Mg Cordierite(Mg,Fe)2Al3(AlSi5O18)
Al KornerupineMg3Al6(Si,Al,B)5O21(OH)
Al SapphirineMg4(Mg3Al9)O4[Si3Al9O36]
Al SpinelMgAl2O4
Al Magnesio-hornblende☐{Ca2}{Mg4Al}(AlSi7O22)(OH)2
Al Gedrite☐{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
Al CorundumAl2O3
Al AnorthiteCa(Al2Si2O8)
Al PhlogopiteKMg3(AlSi3O10)(OH)2
Al Cordierite(Mg,Fe)2Al3(AlSi5O18)
Si KornerupineMg3Al6(Si,Al,B)5O21(OH)
Si SapphirineMg4(Mg3Al9)O4[Si3Al9O36]
Si Magnesio-hornblende☐{Ca2}{Mg4Al}(AlSi7O22)(OH)2
Si Gedrite☐{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
Si AnorthiteCa(Al2Si2O8)
Si Enstatite (var: Bronzite)(Mg,Fe2+)2[SiO3]2
Si EnstatiteMgSiO3
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si Cordierite(Mg,Fe)2Al3(AlSi5O18)
K PhlogopiteKMg3(AlSi3O10)(OH)2
Ca Magnesio-hornblende☐{Ca2}{Mg4Al}(AlSi7O22)(OH)2
Ca AnorthiteCa(Al2Si2O8)
Fe Enstatite (var: Bronzite)(Mg,Fe2+)2[SiO3]2
Fe Cordierite(Mg,Fe)2Al3(AlSi5O18)

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

Neoarchean - Mesoarchean
2500 - 3200 Ma

ID: 644619
Igneous: intrusive; Intrusive: undivided

Age: Archean (2500 - 3200 Ma)

Description: Greenland, North Atlantic Craton (Greenland and Canada)

Comments: Craton and massif; Escher & Pulvertaft, 1995; Hamann et al., 2005; Jepsen, unpublished revisions, 2007-08

Lithology: Orthogneiss, intermediate plutonic rocks, amphibolite to granulite facies

Reference: J.C. Harrison, M.R. St-Onge, O.V. Petrov, S.I. Strelnikov, B.G. Lopatin, F.H. Wilson, S. Tella, D. Paul, T. Lynds, S.P. Shokalsky, C.K. Hults, S. Bergman, H.F. Jepsen, and A. Solli. Geological map of the Arctic. doi:10.4095/287868. Geological Survey of Canada Map 2159A. [2]

2500 - 4000 Ma

ID: 3132578
Archean gneiss

Age: Archean (2500 - 4000 Ma)

Description: medium grade metamorphic

Lithology: Gneiss

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


Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Reisejournal über Groenland, 1806-1813, Medd. Grönland 35,
Stromeyer (1819): Analyse einiger von dem Prof. von Giesecke in Grönland entdeckten Fossilien, 2. Saphirin von Fiskenaes oder Kikertarsoeitsiak, Annalen der Physik und Chemie, Vol. 63, p 374
Giesecke, K. L. (1910): Karl Ludwig Giesecke´s mineralogisches
Bøggild, O.B. (1953): The Mineralogy of Greenland. Meddelelser om Grønland, Reitzels Forlag København. Bd. 149. Nr. 3. 445 pages [p.193-194]
Grew, E., Herd, R., Marquez, N. (1987): Boron-bearing Kornerupine from Fiskenaesset, West Greenland: a re-examination of specimens from the type locality, Mineralogical Magazine, Vol. 51, 695 - 708
Petersen, O. V. & Johnsen, O. (2005): Mineral species first described from Greenland. Canadian Mineralogist, Special publication no. 8.

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