Geology: Chemical, Physical, and Stratigraphical, Τόμος 1

acid action Alps altered Alumina angles Archæan augite basalt beds calcareous carbonate of lime Carboniferous cause Chalk chemical clay cleavage Coal-measures coast colour composition consist copper coral Cornwall crater Cretaceous crust crystalline crystals débris decomposed decomposition denudation deposits depth Devonian distance district disturbance dolerite dykes earthquake Eocene eruption extend faults felspar felspathic fissures fossils fragments Geol geological periods geologists glacier gneiss granite heat height hills hornblende igneous rocks instance iron islands joints Journ Jurassic land lava less limestone lines lodes magnesia mass matter metallic metamorphism mica miles mineral veins mountain occur Oolitic origin oxide Palæozoic pebbles Permian porphyries portion present pressure proportion protoxide quartz range rise rivers sand Sandstone schists Section sedimentary strata shells silica Silurian slates soluble springs strata structure sulphate sulphides surface temperature Tertiary trachytic traversed Triassic valley volcanic rocks