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Fiskenaes old harbour, Fiskenaes (Fiskenaesset; Qeqertarsuatsiaat), Nuuk (Godthåb), Kitaa (West Greenland) Province, Greenland

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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.



References:
- 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
Reisejournal über Groenland, 1806-1813, Medd. Grönland 35,

- Boeggild, O.B. (1953): The Mineralogy of Greenland, Reitzels Forlag Koebenhavn

- 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





 Map Reference: 63°5'14"N , 50°40'41"W

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Mineral List:
  		•  Anorthite
    Ca[Al
     
    2
    		Si
     
    2
    		O
     
    8
    		]
    Reference: [Boeggild, O.B. (1953): The Mineralogy of Greenland, Reitzels Forlag Koebenhavn; Mineralogical Magazine 1987 51 : 695-708.]
  		•  'Chlorite Group'
    Reference: [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; Mineralogical Magazine 1987 51 : 695-708.]
  		•  Cordierite ?
    (Mg,Fe)
     
    2
    		Al
     
    4
    		Si
     
    5
    		O
     
    18
    Reference: [Boeggild, O.B. (1953): The Mineralogy of Greenland, Reitzels Forlag Koebenhavn; 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; Mineralogical Magazine 1987 51 : 695-708.]
  		•  Corundum
    Al
     
    2
    		O
     
    3
    Reference: [Boeggild, O.B. (1953): The Mineralogy of Greenland, Reitzels Forlag Koebenhavn; Mineralogical Magazine 1987 51 : 695-708.]
  		•  Enstatite
    var: Bronzite
    (Mg,Fe
    2+
     
    		)
     
    2
    		[SiO
     
    3
    		]
     
    2
    Reference: [Boeggild, O.B. (1953): The Mineralogy of Greenland, Reitzels Forlag Koebenhavn]
  		•  Gedrite
    ☐[Mg
     
    2
    		][Mg
     
    3
    		Al
     
    2
    		][(OH)
     
    2
    		|Al
     
    2
    		Si
     
    6
    		O
     
    22
    		]
    Reference: [Boeggild, O.B. (1953): The Mineralogy of Greenland, Reitzels Forlag Koebenhavn; Mineralogical Magazine 1987 51 : 695-708.]
  		•  Kornerupine (TL)
    Mg
     
    3
    		Al
     
    6
    		(Si,Al,B)
     
    5
    		O
     
    21
    		(OH)
    Type Locality: Fiskenaes old harbour, Fiskenaes (Fiskenaesset; Qeqertarsuatsiaat), Nuuk (Godthåb), Kitaa (West Greenland) Province, Greenland
    Reference: [Mineralogical Magazine 1987 51 : 695-708.]
  		•  Magnesiohornblende
    ☐[Ca
     
    2
    		][Mg
     
    4
    		Al][(OH)
     
    2
    		|AlSi
     
    7
    		O
     
    22
    		]
    Reference: [R.F. Dymek and R. Stocking , Abstr. Progr. Geol. Soc. Am. , 177, 571, 1985. ]
  		•  Phlogopite
    KMg
     
    3
    		[(OH,F)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    Reference: [Boeggild, O.B. (1953): The Mineralogy of Greenland, Reitzels Forlag Koebenhavn; Mineralogical Magazine 1987 51 : 695-708.]
  		•  'Pinite'
    Reference: [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; Mineralogical Magazine 1987 51 : 695-708.]
  		•  Sapphirine (TL)
    (Mg,Fe)
     
    4-x
    		Al
     
    4+x
    		[Al
     
    4+x
    		Si
     
    2-x
    		O
     
    18
    		]O
     
    2
    Type Locality: Fiskenaes old harbour, Fiskenaes (Fiskenaesset; Qeqertarsuatsiaat), Nuuk (Godthåb), Kitaa (West Greenland) Province, Greenland
    Reference: [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; Mineralogical Magazine 1987 51 : 695-708.]
  		•  Spinel
    MgAl
     
    2
    		O
     
    4
    Reference: [R.F. Dymek and R. Stocking , Abstr. Progr. Geol. Soc. Am. , 177, 571, 1985. ; Mineralogical Magazine 1987 51 : 695-708.]


    12 entries listed. 9 valid minerals. 2 type localities (valid minerals).

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