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Grotta del Cervo, Pietrasecca, Carsoli, L'Aquila Province, Abruzzo, Italy

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(Grotta del Cervo, Pietrasecca, Carsoli, L'Aquila, Abruzzo, Italia)

Grotta del Cervo is located in a small graben structure along a system of normal fault. The occurrence consists of reworked tuff containing fresh blocks of lava which fill up some sections of a karst cave. Age of igneous activity ranges between 0.8 and 0.3 My.
Lava blocks are formed principally by large xls of phlogopite, leucite, hauyne and clinopyroxene in a fine groundmass of melanite, apatite, spinel and kalsilite. Tuff contains variable amounts of the same minerals observed in the lava blocks plus secondary calcite.

Refs.:
-Comodi, P., Liu, Y., Stoppa, F., & Woolley, A. (1999). A multi-method analysis of Si-, S- and REE-rich apatite from a new find of kalsilite-bearing leucitite (Abruzzi, Italy). Mineralogical Magazine, 63: 661-672.
-Stoppa, F., Woolley, A. R., & Cundari, A. (2002). Extension of the melilite-carbonatite province in the Appennines of Italy: the kamafugite of Grotta del Cervo, Abruzzo. Mineralogical Magazine, 66 (4): 555-574.





Mineral List:
  		•  Andradite
    var: Melanite
    Reference: [Comodi, P., Liu, Y., Stoppa, F., & Woolley, A. (1999). A multi-method analysis of Si-, S- and REE-rich apatite from a new find of kalsilite-bearing leucitite (Abruzzi, Italy). Mineralogical Magazine, 63: 661-672.]
  		•  'Apatite'
    Reference: [Comodi, P., Liu, Y., Stoppa, F., & Woolley, A. (1999). A multi-method analysis of Si-, S- and REE-rich apatite from a new find of kalsilite-bearing leucitite (Abruzzi, Italy). Mineralogical Magazine, 63: 661-672.]
  		•  Calcite
    CaCO
     
    3
    Reference: [Comodi, P., Liu, Y., Stoppa, F., & Woolley, A. (1999). A multi-method analysis of Si-, S- and REE-rich apatite from a new find of kalsilite-bearing leucitite (Abruzzi, Italy). Mineralogical Magazine, 63: 661-672.]
  		•  Diopside
    CaMg[Si
     
    2
    		O
     
    6
    		]
    Reference: [Min. Mag. 66 (4): 555-574.]
  		•  Haüyne
    (Na,Ca)
     
    4-8
    		[Al
     
    6
    		Si
     
    6
    		(O,S)
     
    24
    		](SO
     
    4
    		,Cl)
     
    1-2
    Reference: [Comodi, P., Liu, Y., Stoppa, F., & Woolley, A. (1999). A multi-method analysis of Si-, S- and REE-rich apatite from a new find of kalsilite-bearing leucitite (Abruzzi, Italy). Mineralogical Magazine, 63: 661-672.]
  		•  Kalsilite
    K[AlSiO
     
    4
    		]
    Reference: [Comodi, P., Liu, Y., Stoppa, F., & Woolley, A. (1999). A multi-method analysis of Si-, S- and REE-rich apatite from a new find of kalsilite-bearing leucitite (Abruzzi, Italy). Mineralogical Magazine, 63: 661-672.]
  		•  Leucite
    KAlSi
     
    2
    		O
     
    6
    Reference: [Comodi, P., Liu, Y., Stoppa, F., & Woolley, A. (1999). A multi-method analysis of Si-, S- and REE-rich apatite from a new find of kalsilite-bearing leucitite (Abruzzi, Italy). Mineralogical Magazine, 63: 661-672.]
  		•  Magnetite
    Fe
    2+
     
    		Fe
    3+
    2
    		O
     
    4
    Reference: [Min. Mag. 66 (4): 555-574.]
  		•  Nepheline
    (Na,K)[AlSiO
     
    4
    		]
    Reference: [Comodi, P., Liu, Y., Stoppa, F., & Woolley, A. (1999). A multi-method analysis of Si-, S- and REE-rich apatite from a new find of kalsilite-bearing leucitite (Abruzzi, Italy). Mineralogical Magazine, 63: 661-672.]
  		•  'Olivine'
    (Mg,Fe
    2+
     
    		)
     
    2
    		[SiO
     
    4
    		]
    Reference: [Comodi, P., Liu, Y., Stoppa, F., & Woolley, A. (1999). A multi-method analysis of Si-, S- and REE-rich apatite from a new find of kalsilite-bearing leucitite (Abruzzi, Italy). Mineralogical Magazine, 63: 661-672.]


    10 entries listed. 7 valid minerals.

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