Show undersea uranium geologists think that ome some years ago the uranium was u under der a vast lc ic sea which was then an arm of the pacific ocean and d during t the h e following years that sea ea filled with sediment some of which can now be seen as rocks that form the cliffs of the canyon east of glenwood springs the scenery at that time was geml t r 0 p I 1 c a I 1 with heavy rain falling failing on tense cense forests of ferns heavy moss and 0 other t her soft plants T theu h ea the conditions changed and the earths crust trust began to crack and wrinkle in a matter of a few million years a mountain chain appeared along what Is now th the e utah nevada border these b hills ils cut oft ff the moist warm winds from the pacific and the plateau eau area became a v vast st arid pa de desert e rt of shifting and drifting sand wind dunes which cao can still be seen frozen in canyon walls all over the plateau this was about years ago geologists call these deposits ago the and the chinle which now contain pitchblende ur urani tite and primary uranium orea ores S the dust storms the new mew prospectors find down on the four corners desert must be puny compared to the red sand whipped up by the triassic winds into to dunes 1500 feet high |