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Quarry on Frankford Creek (unnamed), Frankford, Philadelphia, Philadelphia Co., Pennsylvania, USA

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Unnamed quarry on west side of Frankford Creek, N.E. of Juniata Park, about Wingohocking and L streets (Idle). Hornblende gneiss (meta-gabbro) and pegmatite. Observations made by Benge and Wherry (XII, 1905, 106 & XIII, 1906, 92). Frankford, PA, is now part of the city of Philadelphia.





Mineral List:
  		•  Albite
    var: Oligoclase
    (Na,Ca)[Al(Si,Al)Si
     
    2
    		O
     
    8
    		]
    Reference: [Benge and Wherry, XIII, 1906, 92]
  		•  'Apatite'
    Reference: [Benge and Wherry, XIII, 1906, 92]
  		•  Biotite
    Reference: [Benge and Wherry, XIII, 1906, 92]
  		•  Calcite
    CaCO
     
    3
    Reference: [Benge and Wherry, XIII, 1906, 92]
  		•  'Chabazite'
    Reference: [Benge and Wherry, XIII, 1906, 92]
  		•  Epidote
    {Ca
     
    2
    		}{Al
     
    2
    		Fe
    3+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    Reference: [Benge and Wherry, XIII, 1906, 92]
  		•  'Heulandite'
    Reference: [Benge and Wherry, XIII, 1906, 92]
  		•  'Hornblende'
    Reference: [Benge and Wherry, XII, 1905, 106]
  		•  Limonite
    FeO(OH)·nH
     
    2
    		O
    Reference: [Benge and Wherry, XIII, 1. c.]
  		•  Microcline
    K[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [Benge and Wherry, XII, 1905, 106]
  		•  Molybdenite
    MoS
     
    2
    Reference: [Benge and Wherry, XIII, 1906, 92]
  		•  Pyrite
    FeS
     
    2
    Reference: [Benge and Wherry, XIII, 1. c.]
  		•  Riebeckite
    var: Crocidolite
    Reference: [Benge and Wherry, XIII, 1906, 92]
  		•  Scapolite
    var: Wernerite
    Reference: [Benge and Wherry, XIII, 1906, 92]
  		•  Schorl
    [Na][Fe
    2+
    3
    		][Al
     
    6
    		][(OH)
     
    3
    		|OH|(BO
     
    3
    		)
     
    3
    		|Si
     
    6
    		O
     
    18
    		]
    Reference: [Benge and Wherry, XIII, 1906, 92]
  		•  'Stilbite'
    Reference: [Benge and Wherry, XII, 1905, 106]
  		•  Titanite
    CaTi[O|SiO
     
    4
    		]
    Reference: [Benge and Wherry, XIII, 1906, 92]


    17 entries listed. 7 valid minerals.

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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Jobs in Pennsylvania, USA 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: 29th Nov 2009 13:59:30