Illustrations of the Huttonian Theory of the EarthPlayfair, John
Science
Illustrations of the Huttonian Theory of the Earth
Playfair, John
Geology; Hutton, James, 1726-1797. Theory of the earth
p. 171
The transportation of materials, objected to by the Neptunists, is
implied in their own system, § 156, 157, 158. Proofs of great
transportation from the animal and vegetable remains, found in
rocks, § 160.
NOTE VI.--Kirwan's Notion of Precipitation.
p. 180
Difficulty, of precipitating the materials dissolved in the chaotic
fluid, § 162. Insufficiency of the explanation attempted, _ib._
NOTE VII.--Compression in the Mineral Regions.
p. 181
Effects ascribed to compression by Newton, compared will the
effects ascribed to it in this theory, § 163. Fallacy of Kirwan's
argument concerning the fusion of Carrara marble, § 165, 166.
Heat of the mineral region may be supported without fuel, § 167.
Quotation from Newton's Optics, _ib._ General remarks, § 169.
NOTE VIII.--Sparry Structure of Calcareous
Petrifactions.
p. 190
Sparry and organic structure co-exist in certain fossils, § 171.
Sparry and stratified structure co-exist in gneiss, marble, &c. §
172.
NOTE IX.--Petroleum, &c.
p. 194
Petroleum, &c. from the distillation of coal, § 173. Gradation from
petroleum to coal often met with, § 174. Connection of amber and
coal, § 175. Why mines of blind coal have not always petroleum
mines near them, § 176.
NOTE X.--The Height above the Level of the Sea,
at which Marks of
Aqueous Deposition are now found.
p. 199
These marks consist either in stratification or in marine objects,
§ 177. The marks of stratification observed, 14739 feet above
the sea, § 178. Shells in Peru, 14190, § 179. Kirwan's mistake
concerning these shells, § 180. His error similar to VOLTAIRE'S,
§ 181.
NOTE XI.--Fracture and Dislocation
of the Strata.
p. 204
Slips, § 182. Rib of limestone in a slip near Huddersfield, § 183,
184. Singular fracture of pudding-stones at Oban in Argyleshire,
§ 185. Similar phenomena observed by Saussure between Nice and
Genoa, _ib._ Remarks on it, § 186.
NOTE XII.--Elevation and Inflection
of the Strata.
p. 209
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