Geology

arrangement Ben Nevis bottom Britain brook buried chalk clay cliff coal coal-seam coarse coarser conglomerate crag crumbling crust deep deposits earth edges example feet finer flat floor fossils fragments gather glass globe grains granite gravel groups hardened hills Igneous Rocks imbedded Julius Cæsar kinds of stone laid lake Lake of Geneva land lava layers Lessons limestone look lying mass materials moss mountains muddy muddy water oldest once Organic Rocks peat peat-moss Physical Geography Primer piece of sandstone piece of shale pieces of stone plants and animals plants or animals quarry rain raised beach remains of animals remains of plants resembles river rounded sand and mud Scotland sea-bottom sedi sediment sedimentary rocks shallow shells shore side silt sink slope soft soil strata stream suppose surface terrace trace trilobites under-clay valleys vegetation volcanos waves worn