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Jenkins Quarry (Hill's Quarry), Andover, Essex Co., Massachusetts, USA

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Ref.: Gleba, 1978: Mass, Min. & Fossil Loc; Wall, Eby, and Winter,2004: Geoarchaeological traverse -- soapstone, clay and bog iron in Andover, Middleton, Danvers and Saugus, Massachusetts.

Soapstone quarry ca. 1830s - 1840s. Steatite bed in hornblende gneiss.





Mineral List:
  		•  'Amphibole Group'
    Reference: [Wall, Eby, and Winter, 2004.]
  		•  Calcite
    CaCO
     
    3
    Reference: [Wall, Eby, and Winter, 2004.]
  		•  'Chlorite Group'
    Reference: [Wall, Eby, and Winter, 2004.]
  		•  'Hornblende'
    Reference: [Gleba, 1978. Mass. Mineral Loc.]
  		•  Magnetite
    Fe
    2+
     
    		Fe
    3+
    2
    		O
     
    4
    Reference: [Wall, Eby, and Winter, 2004.]
  		•  'Soapstone'
    Reference: [Wall, Eby, and Winter, 2004.]
  		•  Talc
    Mg
     
    3
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    2
    Reference: [Wall, Eby, and Winter, 2004.]
  		•  Talc
    var: Steatite
    Mg
     
    3
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    2
    Reference: [Gleba, 1978. Mass. Mineral Loc.]


    8 entries listed. 3 valid minerals.

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