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Xiafangshen Magnesite deposit, Fengcheng Co., Dandong Prefecture, Liaoning Province (Manchuria; Dongbei Region), China

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Superlarge sedimentary-metamorphic magnesite deposit in the Proterozoic Eastern Liaoning rift zone in the Paleoproterozoic Dashiqiao formation. The host rocks are mainly two-mica quartz schist, sillimanite-kyanite-staurolite two-mica schist, magnesite marbles and dolomitic marbles, with a total thickness of 3516 m. Deposit layers occur in a N-NE-striking monocline that extends 3,250 m. The deposit minerals are mainly massive.

Ref.:
- http://wrgis.wr.usgs.gov/open-file/of03-220/DATABASE/lode_deposits.txt





 Map Reference: 40°40'N , 122°50'E

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Mineral List:
  		•  Clinochlore
    (Mg,Fe
    2+
     
    		)
     
    5
    		Al[(OH)
     
    8
    		|AlSi
     
    3
    		O
     
    10
    		]
    Reference: [http://wrgis.wr.usgs.gov/open-file/of03-220/DATABASE/lode_deposits.txt]
  		•  Dolomite
    CaMg(CO
     
    3
    		)
     
    2
    Reference: [http://wrgis.wr.usgs.gov/open-file/of03-220/DATABASE/lode_deposits.txt]
  		•  Kyanite
    Al
     
    2
    		[O|SiO
     
    4
    		]
    Reference: [http://wrgis.wr.usgs.gov/open-file/of03-220/DATABASE/lode_deposits.txt]
  		•  Magnesite
    MgCO
     
    3
    Reference: [http://wrgis.wr.usgs.gov/open-file/of03-220/DATABASE/lode_deposits.txt]
  		•  Quartz
    SiO
     
    2
    Reference: [http://wrgis.wr.usgs.gov/open-file/of03-220/DATABASE/lode_deposits.txt]
  		•  Sillimanite
    Al
     
    2
    		[O|SiO
     
    4
    		]
    Reference: [http://wrgis.wr.usgs.gov/open-file/of03-220/DATABASE/lode_deposits.txt]
  		•  Staurolite
    (Fe
    2+
     
    		,Mg,Zn)
     
    1.5-2
    		Al
     
    9
    		[O
     
    6
    		|(OH,O)
     
    2
    		|(SiO
     
    4
    		)
     
    4
    		]
    Reference: [http://wrgis.wr.usgs.gov/open-file/of03-220/DATABASE/lode_deposits.txt]
  		•  Talc
    Mg
     
    3
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    2
    Reference: [http://wrgis.wr.usgs.gov/open-file/of03-220/DATABASE/lode_deposits.txt]
  		•  Tremolite
    ☐[Ca
     
    2
    		][Mg
     
    5
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
    Reference: [http://wrgis.wr.usgs.gov/open-file/of03-220/DATABASE/lode_deposits.txt]


    9 entries listed. 9 valid minerals.

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