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Flekkeren, Skien, Telemark, Norway

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(Flekkeren, Skien, Telemark, Norge)

The locality is mainly a road cut in the small dirt-road going to Svanstul, passing the lake Flekkeren. The road is cutting a metamorphed limestone/shale xenolite surrounded by monzonitic rocks belonging to the Skrim plutone. Shale-limestone xenolite (100 x 500m) went through high-grade metamorphism in a monzonitic pluton, 41 km N of Larvik.


References:
- Jamtveit, B., Dahlgren, S. & Austrheim,H. (1997): Høy-temperatur kontaktmetamorfose av kalkholdige sedimenter ved Flekkeren, Skien. Bergverksmuseet Skrift nr. 12, 5-11
- Jamtveit B., Dahlgren S. and Austrheim H. (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway". American Mineralogist V 82, pp. 1241 - 1254.
- "New mineral species Ca3.5(Th,U)1.5Si3O12(OH) and four undescribed minerals." (Am. Min. 82, 1241–1254, 1997)





Mineral List:
  		•  Åkermanite
    Ca
     
    2
    		Mg[Si
     
    2
    		O
     
    7
    		]
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Alabandite
    Mn
    2+
     
    		S
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Albite
    Na[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Andradite
    Ca
     
    3
    		Fe
    3+
    2
    		[SiO
     
    4
    		]
     
    3
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Anorthite
    Ca[Al
     
    2
    		Si
     
    2
    		O
     
    8
    		]
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  'Apatite'
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Augite
    (Ca,Na)(Mg,Fe
    2+
     
    		,Al,Fe
    3+
     
    		,Ti)[(Si,Al)
     
    2
    		O
     
    6
    		]
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Augite
    var: Fassaite
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Baddeleyite
    ZrO
     
    2
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Baghdadite
    Ca
     
    3
    		(Zr,Ti)[O
     
    2
    		|Si
     
    2
    		O
     
    7
    		]
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H. (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway". American Mineralogist V 82, pp. 1241 - 1254.]
  		•  Calcite
    CaCO
     
    3
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Chromite
    FeCr
     
    2
    		O
     
    4
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Cuspidine
    Ca
     
    4
    		[(F,OH)
     
    2
    		|Si
     
    2
    		O
     
    7
    		]
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Diopside
    CaMg[Si
     
    2
    		O
     
    6
    		]
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Djerfisherite
    K
     
    6
    		(Cu,Fe,Ni)
     
    25
    		S
     
    26
    		Cl
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Galena
    PbS
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Giuseppettite
    (Na,K,Ca)
     
    7-8
    		[(SO
     
    4
    		,Cl)
     
    1-2
    		|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		]
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Graphite
    C
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Grossular
    Ca
     
    3
    		Al
     
    2
    		[SiO
     
    4
    		]
     
    3
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Hibschite
    Ca
     
    3
    		Al
     
    2
    		[(OH)
     
    6-1
    		|(SiO
     
    4
    		)
     
    1.5-2.5
    		]
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Hillebrandite
    Ca
     
    2
    		[(OH)
     
    2
    		|SiO
     
    3
    		]
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  'Hydrogrossular'
    Reference: [Am. Min., Volume 82, 1241–1254, 1997]
  		•  Kalsilite
    K[AlSiO
     
    4
    		]
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Katoite
    Ca
     
    3
    		Al
     
    2
    		[(OH)
     
    8-6
    		|(SiO
     
    4
    		)
     
    1-1.5
    		]
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  'K Feldspar'
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Kimzeyite
    Ca
     
    3
    		(Zr,Ti)
     
    2
    		[(Si,Al,Fe
    3+
     
    		)O
     
    4
    		]
     
    3
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Löllingite
    FeAs
     
    2
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Magnetite
    Fe
    2+
     
    		Fe
    3+
    2
    		O
     
    4
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Marcasite
    FeS
     
    2
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Marialite
    Na
     
    4
    		[Cl|(AlSi
     
    3
    		O
     
    8
    		)
     
    3
    		]
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Melilite
    (Ca,Na)
     
    2
    		(Al,Mg,Fe
    2+
     
    		)[(Al,Si)SiO
     
    7
    		]
    Reference: [Am. Min., Volume 82, 1241–1254, 1997]
  		•  Monticellite
    CaMg[SiO
     
    4
    		]
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Nepheline
    (Na,K)[AlSiO
     
    4
    		]
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Opal
    SiO
     
    2
    		·nH
     
    2
    		O
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Pentlandite
    (Fe,Ni)
     
    9
    		S
     
    8
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Perovskite
    CaTiO
     
    3
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  'Phillipsite'
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Phlogopite
    KMg
     
    3
    		[(OH,F)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Pyrite
    FeS
     
    2
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Pyrrhotite
    Fe
     
    7
    		S
     
    8
    		, (-4M), also given as Fe
     
    1-x
    		S (x = 0 - 0.2)
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Quartz
    SiO
     
    2
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Rasvumite
    KFe
     
    2
    		S
     
    3
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Saponite
    Ca
     
    0.25
    		(Mg,Fe)
     
    3
    		(Si,Al)
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·nH
     
    2
    		O
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Scawtite
    Ca
     
    7
    		Si
     
    6
    		(CO
     
    3
    		)O
     
    18
    		·2H
     
    2
    		O
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Scheelite
    Ca[WO
     
    4
    		]
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Schorlomite
    Ca
     
    3
    		(Ti,Fe
    3+
     
    		)
     
    2
    		[(Si,Fe
    3+
     
    		,Fe
    2+
     
    		)O
     
    4
    		]
     
    3
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Sodalite
    Na
     
    8
    		[Cl
     
    2
    		|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		]
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Sphalerite
    (Zn,Fe
    2+
     
    		)S
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Thaumasite
    Ca
     
    3
    		[CO
     
    3
    		|SO
     
    4
    		|Si(OH)
     
    6
    		] · 12H
     
    2
    		O
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Thomsonite-Ca
    NaCa
     
    2
    		[Al
     
    5
    		Si
     
    5
    		O
     
    20
    		] · 6H
     
    2
    		O
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Thorianite
    ThO
     
    2
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Thorite
    (Th,U)[SiO
     
    4
    		]
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Tilleyite
    Ca
     
    5
    		[(CO
     
    3
    		)
     
    2
    		|Si
     
    2
    		O
     
    7
    		]
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Titanite
    CaTi[O|SiO
     
    4
    		]
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Tobermorite
    Ca
     
    5
    		Si
     
    6
    		(O,OH)
     
    18
    		·5H
     
    2
    		O
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Uraninite
    UO
     
    2
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Uvarovite
    Ca
     
    3
    		Cr
     
    2
    		[SiO
     
    4
    		]
     
    3
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Vesuvianite
    Ca
     
    10
    		(Mg,Fe)
     
    2
    		Al
     
    4
    		Si
     
    9
    		O
     
    34
    		(OH)
     
    4
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Wollastonite
    Ca[SiO
     
    3
    		]
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]
  		•  Zircon
    Zr[SiO
     
    4
    		]
    Reference: [Jamtveit B., Dahlgren S. and Austrheim H., (1997): "High-grade contact metamorphism of calcareous rocks from the Oslo Rift, Southern Norway".]


    60 entries listed. 54 valid minerals.

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