Cross Section through Arbuckle Mountains

CROSS SECTION THROUGH THE ARBUCKLE MOUNTAINS ALONG HIGHWAY NUMBER 77 SHOWING THEIR GEOLOGIC STRUCTURE SOUTH+ CANEY SHALE SYCAMORE IME STONE ISSISSIPPI LIME) WOODFORD CHERT HUNTON LIMET SYLVAN SHALE VIOLA LIME WILCOX SAND SIMPSON FORMATION ARBUCKLE LIMESTONE REAGAN SANDSTONE (CAMBRIAN COLBERT RED BEDS ARBUCKLE LIMESTONE FAULT FORMATION SIMPSON FAULT) NORTH VIOLA LIME RED BEDS SIMPSON. FORMATION ARBUCKLE LIMESTONES THESE BEDDED ROCKS, ORIGINALLY LAID DOWN AS NEARLY HORIZONTAL LAYERS OF MUD AND SAND UNDER THE SEA, FOLDED INTO A HIGH MOUNTAIN RANGE ABOUT THE TIME THE APPALACHIAN MOUNTAINS WERE FORMED. THIS WAS WORN DOWN BY STREAMS AND BURIED BENEATH LATER SEDIMENTS, WHICH HAVE BEEN STRIPPED AWAY BY EROSION, EXPOSING THE ROOTS OF THE OLD MOUNTAINS. THESE GEOLOGIC SIGNS WERE ERECTE BY THE LIONS CLUB OF ARDMORE AT THE SUGGESTION OF DR. CHAS.N. GOULD, DIRECTO OF THE OKLAHOMA GEOLOGICAL SURVEY, WITH THE APPROVAL OF THE STATE HIGHWAY COMMISSION AND ARDMORE GEOLOGICAL SOCIETY.