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Jabal Tawlah, Midyan, Mintaqah Tabuk, Saudi Arabia

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Composite sill (80 m thick, 320 m strike length) of porphyritic alkali-feldspar microgranite to syenite, associated with peralkaline granite. The microgranite bears disseminated Nb-Ta mineralization.



References:
- Küster, D. (2009): Granitoid-hosted Ta mineralization in the Arabian-Nubian Shield: Ore deposit types, tectono-metallogenetic setting and petrogenetic framework. Ore Geology Reviews 35, 68-86.





Mineral List:
  		•  Albite
    Na[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [Küster, D. (2009): Ore Geology Reviews 35, 68-86.]
  		•  Biotite
    Reference: [Küster, D. (2009): Ore Geology Reviews 35, 68-86.]
  		•  Columbite
    (Fe,Mn)(Nb,Ta)
     
    2
    		O
     
    6
    Reference: [Küster, D. (2009): Ore Geology Reviews 35, 68-86.]
  		•  Fluorite
    CaF
     
    2
    Reference: [Küster, D. (2009): Ore Geology Reviews 35, 68-86.]
  		•  Fergusonite-(Y)
    YNbO
     
    4
    Reference: [Küster, D. (2009): Ore Geology Reviews 35, 68-86.]
  		•  Gagarinite-(Y)
    NaCaY(F,Cl)
     
    6
    Reference: [Küster, D. (2009): Ore Geology Reviews 35, 68-86.]
  		•  Microcline
    K[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [Küster, D. (2009): Ore Geology Reviews 35, 68-86.]
  		•  Phlogopite
    KMg
     
    3
    		[(OH,F)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    Reference: [Küster, D. (2009): Ore Geology Reviews 35, 68-86.]
  		•  Quartz
    SiO
     
    2
    Reference: [Küster, D. (2009): Ore Geology Reviews 35, 68-86.]
  		•  Xenotime-(Y)
    YPO
     
    4
    Reference: [Küster, D. (2009): Ore Geology Reviews 35, 68-86.]
  		•  Zircon
    Zr[SiO
     
    4
    		]
    Reference: [Küster, D. (2009): Ore Geology Reviews 35, 68-86.]


    11 entries listed. 9 valid minerals.

    The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database!
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Jobs in Saudi Arabia Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 26th Nov 2009 03:00:27