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Saima U-Nb-REE deposit, Fengcheng Co., Dandong Prefecture, Liaoning Province (Manchuria; Dongbei Region), China

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REE deposit with significant U, Th, and Nb potential, in an alkaline intrusion (isotopic age: 217-245 Ma) of the Fengcheng alkaline complex. Host rocks are syenite, nepheline syenite and phonolite.
The coordinates given are those of Saima town.

Ref.:
- Wu, C., Yuan, Z., and Bai, G. (1996): Rare earth deposits in China. In: Jones, A.P., Wall, F., and Williams, C.T. (Eds.): Rare Earth Minerals: Chemistry, origin and ore deposits. The Mineralogical Society Series, Vol. 7. Chapman & Hall (London).
- Orris, G.J., and Grauch, R.I. (2002): Rare Earth Element Mines, Deposits and Occurrences. USGS Open-File Report 02-189, 174 pp.





 Map Reference: 40°59'N , 124°12'E

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Group 4 - Oxides and Hydroxides
  		• Betafite4.DH.15
    (Ca,U)
     
    2
    		(Ti,Nb)
     
    2
    		O
     
    6
    		(OH)
  		• Ilmenite4.CB.05
    Fe
    2+
     
    		TiO
     
    3
  		• Loparite-(Ce)4.CC.35
    (Na,Ce,Ca,Sr,Th)(Ti,Nb,Fe)O
     
    3
  		• Thorianite
    var: Aldanite    		4.DL.05
    (Th,Pb)O
     
    2
    		 ?
  		• Uranpyrochlore4.DH.15
    (U,Ca,Ce)
     
    2
    		(Nb,Ta)
     
    2
    		O
     
    6
    		(OH,F)
    Group 5 - Nitrates and Carbonates
  		• Strontianite5.AB.15
    SrCO
     
    3
    Group 9 - Silicates
  		• Aegirine9.DA.25
    NaFe
    3+
     
    		[Si
     
    2
    		O
     
    6
    		]
  		• Biotite9..
  		• Cancrinite9.FB.05
    Na
     
    6
    		Ca
     
    2
    		[(CO
     
    3
    		)
     
    2
    		|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		] · 2H
     
    2
    		O
  		• Catapleiite9.CA.15
    Na
     
    2
    		Zr[Si
     
    3
    		O
     
    9
    		]·2H
     
    2
    		O
  		• Eudialyte9.CO.10
    Na
     
    15
    		Ca
     
    6
    		(Fe
    2+
     
    		,Mn
    2+
     
    		)
     
    3
    		Zr
     
    3
    		[Si
     
    25
    		O
     
    73
    		](O,OH,H
     
    2
    		O)
     
    3
    		(OH,Cl)
     
    2
  		• Lamprophyllite9.BE.25
    (Sr,K,Ba)
     
    2
    		(Na,Ti,Mn
    2+
     
    		,Fe
    3+
     
    		)
     
    4
    		Ti
     
    2
    		[O|(O,OH,F)|Si
     
    2
    		O
     
    7
    		]
     
    2
  		• Microcline9.FA.30
    K[AlSi
     
    3
    		O
     
    8
    		]
  		• Mosandrite9.BE.20
    Ti(☐,Ca,Na)
     
    3
    		Ca
     
    4
    		(Si
     
    2
    		O
     
    7
    		)
     
    2
    		[H
     
    2
    		,OH,F]
     
    4
    		· ~1H
     
    2
    		O
  		• Natrolite9.GA.05
    Na
     
    2
    		[Al
     
    2
    		Si
     
    3
    		O
     
    10
    		] · 2H
     
    2
    		O
  		• Nepheline9.FA.05
    (Na,K)[AlSiO
     
    4
    		]
  		• Pectolite9.DG.05
    NaCa
     
    2
    		[HSi
     
    3
    		O
     
    9
    		]
  		• Rinkite9.00.20
    Ti(Na,Ca)
     
    3
    		(Ca,Ce)
     
    4
    		(Si
     
    2
    		O
     
    7
    		)
     
    2
    		OF
     
    3
  		• Strontiochevkinite9.BE.70
    (Sr,La,Ce,Ca)
     
    4
    		Fe
    3+
     
    		(Ti,Zr)
     
    2
    		Ti
     
    2
    		[O
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
     
    2
  		• Thorite
    var: Uranothorite    		9.AD.30
    (Th,U)SiO
     
    4
  		• Titanite9.AG.15
    CaTi[O|SiO
     
    4
    		]
  		• Zircon9.AD.30
    Zr[SiO
     
    4
    		]
    Unclassified Minerals
  		• 'Apatite'-


    23 entries listed. 20 valid minerals.

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