The Freshwater Tertiary Formations of the Rocky Mountain Region |
Common terms and phrases
abundant accumulation aggrading alluvial Arapahoe Archean basin deposits central deposits climate coarse conglomerate coarser Colorado conglomerates considerable Cretaceous cross-bedding deformation Denver Basin Denver formations depression described as lacustrine Dinocerata discussion elevation Eocene erosion evidence feet finer floor fluviatile deposits fluviatile origin fluviatile plain fossils frequently fresh-water lakes fresh-water Tertiary formations Geol geological geologists Green river basin High Plateaus Himalayas inferred interior basins lacustrine deposits lacustrine origin lake deposits lake waters land large lake layers limestones marginal deposits marine fossils marls miles molluscs Monogr northern India observations occur pebbles peneplains piedmont plains Pliocene probably Quaternary referred reports river deposits Rocky mountain region sands sandstones sandstones and clays sediments shales shallow lakes shore line Siwalik slopes so-called lacustrine strata stratified deposits streams structure subaerial deposits subaerial origin surface Surv Tertiary lakes Tertiary period texture thickness tiary Uinta Mountains unconformities unstratified valleys variable Vermillion creek Vols Wahsatch western Tertiaries