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A critical Examination of the first Principles of Geology in a Series of Essays / By G. B. Greenough
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opinion that these beds were originally in-clined : thus at Malvern 8 the inclinationof the sandstone diminishes as it recedesfrom the hill, and then increases ; to thissucceed strata of limestone, the inclinationof which becomes more and more conside-rable ; these are followed by strata of anargillaceous rock which continue to risetill they become vertical, and then dip west-ward with a gradually-diminishing angleof inclination.

6. Secondary rocks are generally inclinedat their junction with the primary.

7. Secondary rocks are often unconform-able to the primitive rocks, on whichthey rest; in Red Bay, Anglesea, the for-mer dip to S.E., the latter to N. W.

At the head of the lac de Joux , in thePays de Vaux, vertical beds are said to reston horizontal ones; perhaps fissure hasbeen confounded with stratification here,as at the Saleve , where the same incon-

Geological Transactions, vol. i. p. 306. See also La Metherie , Theorie de la Terre, vol. v. p. 81. where hedescribes the Coal-measures near Liege .