EARTHSC 1105 Lecture Notes - Lecture 10: Paleogene, Unconformity, Oligocene
10 Sep 2017
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Document Summary
Outline for great sand dune national park and preserve. Great sand dunes history: 11,000 years bp ancient native americans hunted in the area, leaving. Folsom/clovis type artifacts: 1694 first europeans visited. 10 inches per year: the prevailing winds are from the southwest, the sand dunes form a dune field six miles across, with 39 square miles of dunes, many sand dunes reach 600 feet in height. The tallest dune is star dune which is. 2: dunes began to form as glaciers of the pleistocene epoch retreated from the northern regions of the present-day united states, park includes mountain peaks and alpine meadows in the sangre de cristo. Sand deposits: sand dunes, barchan dunes crescent shaped dunes that lie across the direction of the prevailing winds. Arabic for ram"s horn : transverse dunes asymmetrical dunes elongated perpendicular to the prevailing wind direction, star dunes isolated hills of sand, the base of dune is shaped like a star.
