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Xihuashan intrusion, Dayu Co., Ganzhou Prefecture, Jiangxi Province, China

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Jurassic biotite granite intrusion. The exposed area of the granite (19 km2) hosts the Xihuashan and Dangping Mines. The Piaotang mine, located further north, works veins in the contact zone between the granite and overlying country rocks.

The granite comprises two phases, which intruded in Cambrian low-grade metamorphic rocks of psammitic and pelitic origins. The first phase is a coarse grained porphyrytic biotite granite, rich in monazite-(Ce), xenotime-(Y), zircon and uranothorianite. This granite is the mother rock of the fluids for tungsten mineralization. A second phase, medium-fine grained biotite granite (magmatic to hydrothermal stage, final oversaturation of the granitic melt in a fluid phase and F-CO2 enrichment) is mineralized with spessartite (Y-rich), xenotime-(Y), gadolinite-(Y), fergusonite-(Y) and Y-rich fluorite.



References:
- Le Bel, L., Yidou Li, and Jifou Sheng (1984): Granitic evolution of the Xihuashan-Dangping (Jiangxi, China) Tungsten-Bearing system. Mineralogy and Petrology 33(3), 149-167.
- Orris, G.J., and Grauch, R.I. (2002): Rare Earth Element Mines, Deposits and Occurrences. USGS Open-File Report 02-189, 174 pp.
- Rucheng Wang, Fontan, F., Xiaoming Chen, Huan Hu, Changshi Liu, Shijin Xu, and de Parseval, P. (2003): Accessory minerals in the Xihuashan Y-enriched granitic complex, Southern China: A record of magmatic and hydrothermal stages of evolution. Canadian Mineralogist 41, 727-748.
- Guoneng Chen and Grapes, R. (2007): Granite Genesis: In-Situ Melting and Crustal Evolution. Springer Verlag, 278 pp.




Mineral list contains entries from the region specified including sub-localities

Group 2 - Sulphides and Sulfosalts
  		• Arsenopyrite2.EB.20
    FeAsS - (Fe
     
    0.90
    		Co
     
    0.10
    		)AsS
  		• Bismuthinite2.DB.05
    Bi
     
    2
    		S
     
    3
  		• Chalcopyrite2.CB.10a
    CuFeS
     
    2
  		• Galena2.CD.10
    PbS
  		• Molybdenite2.EA.30
    MoS
     
    2
  		• Pyrite2.EB.05a
    FeS
     
    2
  		• Pyrrhotite2.CC.10
    Fe
     
    7
    		S
     
    8
    		, (-4M), also given as Fe
     
    1-x
    		S (x = 0 - 0.2)
  		• Sphalerite2.CB.05a
    (Zn,Fe
    2+
     
    		)S
  		• Stannite2.CB.15a
    Cu
     
    2
    		(Fe,Zn)SnS
     
    4
    Group 3 - Halides
  		• Fluorite3.AB.25
    CaF
     
    2
      var: Yttrofluorite3.AB.25
    (Ca,Y)F
     
    2-3
    Group 4 - Oxides and Hydroxides
  		• Betafite4.DH.15
    (Ca,U)
     
    2
    		(Ti,Nb)
     
    2
    		O
     
    6
    		(OH)
  		• Cassiterite4.DB.05
    SnO
     
    2
  		• Euxenite-(Y)4.DG.05
    (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)
     
    2
    		O
     
    6
  		• Ferberite4.DB.30
    FeWO
     
    4
  		• Ilmenite4.CB.05
    Fe
    2+
     
    		TiO
     
    3
  		• Magnetite4.BB.05
    Fe
    2+
     
    		Fe
    3+
    2
    		O
     
    4
  		• Plumbopyrochlore4.DH.15
    (Pb,Ca,Y,U)
     
    2-x
    		(Nb,Ta,Ti)
     
    2
    		O
     
    6
    		(OH,O)
  		• Quartz4.DA.05
    SiO
     
    2
  		• Uraninite4.DL.05
    UO
     
    2
  		• β-Fergusonite-(Y)4.DG.10
    YNbO
     
    4
    Group 5 - Nitrates and Carbonates
  		• Bastnäsite-(Ce)5.BD.20a
    (Ce,La)[F|CO
     
    3
    		]
  		• Calcite5.AB.05
    CaCO
     
    3
  		• Dolomite5.AB.10
    CaMg(CO
     
    3
    		)
     
    2
  		• Parisite-(Ce)5.BD.20b
    Ca(Ce,La)
     
    2
    		[F
     
    2
    		|(CO
     
    3
    		)
     
    3
    		]
  		• Synchysite-(Y)5.BD.20c
    Ca(Y,Ce)[F|(CO
     
    3
    		)
     
    2
    		]
    Group 7 - Sulphates, Chromates, Molybdates and Tungstates
  		• Fergusonite-(Y)7.GA.05
    YNbO
     
    4
  		• Scheelite7.GA.05
    Ca[WO
     
    4
    		]
    Group 8 - Phosphates, Arsenates and Vanadates
  		• Monazite-(Ce)8.AD.50
    (Ce,La,Nd,Th)PO
     
    4
  		• Triplite8.BB.10
    (Mn
    2+
     
    		,Fe
    2+
     
    		)
     
    2
    		[(F,OH)|PO
     
    4
    		]
  		• Xenotime-(Y)8.AD.35
    YPO
     
    4
    Group 9 - Silicates
  		• 'Adularia'9.FA.30
    KAlSi
     
    3
    		O
     
    8
  		• Beryl9.CJ.05
    Be
     
    3
    		Al
     
    2
    		Si
     
    6
    		O
     
    18
  		• Biotite9..
  		• Euclase9.AE.10
    BeAl[OH|SiO
     
    4
    		]
  		• Gadolinite-(Y)9.AJ.20
    Y
     
    2
    		Fe
    2+
     
    		Be
     
    2
    		[O|SiO
     
    4
    		]
     
    2
  		• Helvite9.FB.10
    Mn
    2+
    4
    		Be
     
    3
    		[S|(SiO
     
    4
    		)
     
    3
    		]
  		• Microcline9.FA.30
    K[AlSi
     
    3
    		O
     
    8
    		]
  		• Muscovite9.EC.15
    KAl
     
    2
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
  		• Pyrophyllite9.EC.10
    Al
     
    2
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    2
  		• Thorite9.AD.30
    (Th,U)[SiO
     
    4
    		]
      var: Uranothorite9.AD.30
    (Th,U)SiO
     
    4
  		• Topaz9.AF.35
    Al
     
    2
    		[(F,OH)
     
    2
    		|SiO
     
    4
    		]
  		• Zircon9.AD.30
    Zr[SiO
     
    4
    		]
      var: Hafnian Zircon9.AD.30
    Zr[SiO
     
    4
    		]
    Unclassified Minerals
  		• 'Albite-Anorthite Series'-
  		• 'Almandine-Spessartine Series'-
  		• 'Apatite'-
  		• 'Chlorite Group'-
  		• 'Garnet Group'-
    X
     
    3
    		Z
     
    2
    		(TO
     
    4
    		)
     
    3
    		 (X = Ca, Fe, etc·, Z = Al, Cr, etc·, T = Si, As, V)
  		• 'K Feldspar'-
  		• 'Sericite'-
  		• 'Tourmaline'-
  		• Wolframite-
    (Fe
    2+
     
    		)WO
     
    4
     
     
    		to (Mn
    2+
     
    		)WO
     
    4


    54 entries listed. 43 valid minerals.

    Localities in this Region:
    China
     
    • Jiangxi Province
      • Ganzhou Prefecture
        • Dayu Co.
          • Xihuashan intrusion

    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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