| Show how wasatch mountains were thrown up in the overland route guidebook recently published by the united states geological survey the history of the formation of the wasatch mountain range which overlooks 0 s salt lake city is graphically told long before there were any mountains in this region most of the rocks in the wasatch range ringe were laid down as sand and mud on the bottom of the ancient sea where they became compacted and hardened haid ened into sandstone shale and limestone the sea bottom eventually became lind As mother earth has aged her skin has cracked and wrinkled in the utah nevada region many long cracks were formed ard and the rocks on one side or the other were moved moed slowly upward or downward downa ird forming long ridges along the cracks steep on one sida and gently sloping on the other such breas in the faiths crust are called faults A fault may be a few feet or hundred of miles long and the distance which the rock beds on one side slip past thoo on the other may range from a fraction of an inch to thousands of feet fee when the rocks on one side ae shoved up over those on the other side swe the break is called a reverse c cr fault overland Gulde guidebook took bulletin S G S c |
