The Elements of Geology: Adapted to the Use of Schools and Colleges

abridgment abundant accumulation action amount animal argillaceous argillaceous slate basalt beautiful become biblical Boston carbonate carboniferous causes cents change of level character clay climate coal color consists contains coral cretaceous crust crystalline denudation deposited depth dikes earth earthy matter effect elevation eruption Europe evidence exist extend felspar formation fossiliferous fossils fracture furnished geological glacier gneiss granite greensand heat hornblende hundred feet Hypersthene igneous igneous rocks illustrations instances interest islands land lava layers limestone literature marine currents mass materials melted metamorphic metamorphic rocks mica miles mineral moral mountain nearly occur ocean Old Red Sandstone oölite particles peculiar phenomena portion present principal produced reader red sandstone river sand School SECTION sediment sedimentary silurian slate solid solidified species specific gravity strata stratified rocks structure substances surface Teachers temperature thickness tion valley valuable vegetable veins volcanic rocks volume Wayland York