Principles of Geology: Being an Inquiry how Far the Former Changes of the Earth's Surface are Referable to Causes Now in Operation, Volume 1 |
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Principles of Geology: Being an Inquiry How for the Former Changes of the ... Charles Lyell No preview available - 2019 |
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ages analogy ancient Apennines appear arctic ation Auvergne beds calcareous carboniferous catastrophes causes century chap climate continued Cosmogony creation crust currents delta deluge deposits depth districts doctrine earth earthquakes elevation Eocene epoch Europe existing extinct flood formations former changes fossil fossil remains fossil shells genera geographical geologists geology globe gradual heat height igneous imagined infer inhabitants Ischia islands Italy Journ lakes land and sea latitudes lava limestone living marine mass Mediterranean Melville Island miles mineral modern mountains naturalists nature northern hemisphere observations ocean opinions organic remains origin period phenomena philosopher present produced progress proofs quadrupeds quantity recent regard regions revolutions rivers rocks sand secondary Sicily snow species Spitzbergen springs Steno Strabo strata stream Subapennine subterranean successive supposed temperature tertiary tertiary strata testacea theory tion travertin tropical Val di Noto valleys vegetable volcanic whole writers zone