. The encyclopædia of geography: comprising a complete description of the earth, physical, statistical, civil, and political. When the strata of the superimposed formation is parallel with the strata of the fimdamentalor subjacent rock, the stratification is said to be conformable, asjig. 60 where a formation a, 60. we shall say of limestone, rests on b, of sandstone. If the strata of the superimposedformation are disposed as at c, fig. 61., they are said to be unconformable. Lastly, if the

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