Show utah an alluring J geological exposure how the earth looks to ta a geologist the state ot of utah presents probably the most alluring ceolo leal ical exposure in the world geology la 13 unique in that there are out cropping strata recording every period ot of the geological history from rom to the present if J one drives from the northern parts ot of the state to the south lie he may easily observe along the road strata as old as precambrian pre cambrian in box elder county to as young as tertiary in kane county and then drift again to the south from kane county to the colorado river and view the outcrop ot of strata which covers the period from the youngest to the oldest from cedar breaks which Is tertiary to the granite gorge in grand canyon which is it Is in this geology that has been found some of 0 the outstanding mines of 0 the world the areas of 0 the wasatch the tintic the iron springs and the Tu shares have been specially productive ot of metals in the early days the discoveries were easily made as many mineral deposits aut out cropped on the surface but today the situation Is vastly different the surface deposits are ara gone and deeper and more hazardous prospecting Is necessary to bring forth new ore bodies it Is a credit to the operators ot at mines in utah that many ot of the properties have enjoyed long life longer than is common tor for metal mines this has been due in a measure to a wise policy ot of development it if the industry Is to be preserved in the future more and more of 0 the return must be set aside tor for development work as the ore is becoming harder and harder to find rising costs otten often result in curtailment of 0 development and this will soon result in a general curtailment ot of mint mining ng an inexorable law ot of mining |