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Croft Mine, Cardiff Township, Haliburton Co., Ontario, Canada

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Ref.: Geological Survey of Canada Miscellaneous Report 39

In biotite-granite pegmatite cutting gneiss and amphibolite.

"The deposit was explored for uranium mineralization from 1953 to 1955 by Croft Uranium Mines Limited. Development consists of an adit and several trenches."




Group 1 - Elements
  		• Graphite1.CB.05a
    C
  		• Sulphur1.CC.05
    S
     
    8
    Group 2 - Sulphides and Sulfosalts
  		• Molybdenite2.EA.30
    MoS
     
    2
  		• Pyrite2.EB.05a
    FeS
     
    2
    Group 4 - Oxides and Hydroxides
  		• Betafite4.DH.15
    (Ca,U)
     
    2
    		(Ti,Nb)
     
    2
    		O
     
    6
    		(OH)
  		• Pyrochlore4.DH.15
    (Ca,Na)
     
    2
    		Nb
     
    2
    		O
     
    6
    		(OH,F)
  		• Quartz
    var: Smoky Quartz    		4.DA.05
    SiO
     
    2
  		• Uraninite4.DL.05
    UO
     
    2
    Group 9 - Silicates
  		• Sillimanite9.AF.05
    Al
     
    2
    		[O|SiO
     
    4
    		]
  		• Thorite
    var: Uranothorite    		9.AD.30
    (Th,U)SiO
     
    4
  		• Titanite9.AG.15
    CaTi[O|SiO
     
    4
    		]
  		• Zircon
    var: Cyrtolite    		9.AD.30
    Zr[(SiO
     
    4
    		),(OH)
     
    4
    		]
    Unclassified Minerals
  		• 'Allanite'-
  		• 'Apatite'-
  		• 'Chlorite Group'-
  		• 'Clinopyroxene Subgroup'-
  		• 'Garnet Group'-
    X
     
    3
    		Z
     
    2
    		(TO
     
    4
    		)
     
    3
    		 (X = Ca, Fe, etc·, Z = Al, Cr, etc·, T = Si, As, V)
  		• 'Monazite'-
  		• 'Tourmaline'-


    19 entries listed. 12 valid minerals.

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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Jobs in Ontario, Canada 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: 4th Nov 2009 04:19:23