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Tenham meteorite, Tenham Station, South Gregory, Queensland, Australia

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Chondritic meteorite. Impact shock pressure is estimated to 220-260 kbar, temp. 2000 C.

S6 L Chondrite with shock-induced melt veins. Association of silicate-perovskite glass and metal sulfide droplets (very rapid quenching).



References:
- Tomioka, N. and Fujino, K. (1999) Akimotoite, (Mg,Fe)SiO3, a new silicate mineral of the ilmenite group in the Tenham chondrite. American Mineralogist: 84: 267-271.
- Binns, R.A., Davis, R.J., and Reed, S.J.B. (1969) Ringwoodite, natural (Mg,Fe)2SiO4 spinel in the Tenham meteorite. Nature: 221: 943-944.
- Canadian Mineralogist (1977): 15: 97.





 Map Reference: 25°44'S , 142°57'E

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Mineral List:
  		•  Akimotoite (TL)
    (Mg,Fe
    2+
     
    		)SiO
     
    3
    Type Locality: Tenham meteorite, Tenham Station, South Gregory, Queensland, Australia
    Reference: [American Mineralogist, Volume 84, pages 267–271, 1999]
  		•  'Albite-Anorthite Series'
    Reference: [Lunar and Planetary Science XXXIV (2003); American Mineralogist, Volume 84, pages 267–271, 1999]
  		•  Clinoenstatite
    Mg
     
    2
    		[Si
     
    2
    		O
     
    6
    		]
    Reference: [http://webmineral.com/specimens/picshow.php?id=2940; American Mineralogist, Volume 84, pages 267–271, 1999]
  		•  Diopside
    CaMg[Si
     
    2
    		O
     
    6
    		]
    Reference: [American Mineralogist, Volume 84, pages 267–271, 1999]
  		•  Enstatite
    Mg
     
    2
    		[SiO
     
    3
    		]
     
    2
    Reference: [American Mineralogist, Volume 84, pages 267–271, 1999]
  		•  'Glass'
    Reference: [Zhidong Xie et al. , Lunar and Planetary Science XXXVI (2005), 1216.pdf]
  		•  Iron
    var: Kamacite
    (Fe,Ni)
    Reference: [Excalibur Minerals CATALOG #20506 - Vol. XXXII, No. 6]
  		•  Lingunite
    (Na,Ca)AlSi
     
    3
    		O
     
    8
    Reference: [Excalibur Minerals CATALOG #20506 - Vol. XXXII, No. 6]
  		•  Magnetite
    Fe
    2+
     
    		Fe
    3+
    2
    		O
     
    4
    Reference: [Lunar and Planetary Science XXXIV (2003)]
  		•  Majorite
    Mg
     
    3
    		(Fe
    2+
     
    		,Si,Al)
     
    2
    		[SiO
     
    4
    		]
     
    3
    Reference: [Lunar and Planetary Science XXXIV (2003); American Mineralogist, Volume 84, pages 267–271, 1999]
  		•  'Olivine'
    (Mg,Fe
    2+
     
    		)
     
    2
    		[SiO
     
    4
    		]
    Description: Metastable crystallization due to very rapid quench.
    Reference: [Zhidong Xie et al. , Lunar and Planetary Science XXXVI (2005), 1216.pdf; American Mineralogist, Volume 84, pages 267–271, 1999]
  		•  Ringwoodite (TL)
    (Mg,Fe
    2+
     
    		)
     
    2
    		[SiO
     
    4
    		]
    Type Locality: Tenham meteorite, Tenham Station, South Gregory, Queensland, Australia
    Reference: [CM 15 (1977), 97; HB2/2 (1995); Nature 1969, 943-4]
  		•  Troilite
    FeS
    Reference: [Excalibur Minerals CATALOG #20506 - Vol. XXXII, No. 6; American Mineralogist, Volume 84, pages 267–271, 1999]
  		•  Tuite
    Ca
     
    3
    		[PO
     
    4
    		]
     
    2
    Reference: [Excalibur Minerals CATALOG 20601 - Volume XXXIII, No. 1]
  		•  Wadsleyite
    (Mg,Fe
    2+
     
    		)
     
    2
    		[SiO
     
    4
    		]
    Reference: [Lunar and Planetary Science XXXIV (2003)]
  		•  Wüstite
    FeO
    Description: Magnesiowüstite.
    Reference: [Lunar and Planetary Science XXXIV (2003); American Mineralogist, Volume 84, pages 267–271, 1999]


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

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