from The Century Dictionary and Cyclopedia
- n. In petrography, a term introduced by Grabau (1904) for an indurated rock of any composition or origin.
Sorry, no etymologies found.
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.