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from The Century Dictionary and Cyclopedia

  • n. In petrography, a term introduced by Grabau (1904) for an indurated rock of any composition or origin.


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  • The two year contract covers an area of 10.000 kilometres in the north of the country and will try to locate formations of lutite


  • "The minimum exploration program includes the analysis of samples, lutite maturing models and a feasibility study", said German Riet, Ancap chairman of the board.


  • US company Schuepbach Energy from Dallas will be looking for possible traces of natural gas in lutite sedimentary rocks during a two year period in an area of 10.000 square kilometres.


  • These carbonaceous dark lutite with intercalated graphite, manto-like units can carry extremely high silver and gold grades, such as in hole BD-08-3 which had a manto section that graded 9.87 gms gold / tonne and 3,090 gms silver / tonne.

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