| Show Wealth in Minerals Brought to Surface by Many Volcanoes Washington Boiling Boiling floods of lava and glowing glowin clouds of gas are not the only prod prod- products products products of volcanoes geologists find Many volcanoes have brought useful and valuable minerals minerals gold gold silver dia dia- diamonds diamonds dia- dia diamonds monds or oil close to the surface where men can get at them Reporting his field findings to the Geological Society of Washington Dr A. A H. H Koschmann of the United States geological survey told of the Cripple Creek volcano near Pikes Peak Cob Colo whose eruption years ago brought millions of ot dollars worth of gold into the rocks near the surface where It could be reached by mining operations After the first eruptions the cra era crater crat ter t r floor collapsed carrying leaves and tree trunks deep Into the earth I where they are ore now found as fos fos- fos- fos sils ails I Source of Big nil Walsh Fortune Near Silverton Colo Cola a similar volcano brought cubic miles of new material to the surface at about the same time lime as the Cripple Creek eruption This created the famous amous Camp Bird mining area which built the fabulous fortune of ot the late Tom Walsh To date more than In gold and silver have been mined In the San Juan area near Silverton of which came from Camp Bird After the first eruption of the Silverton Silver ton volcano one of the craters eight miles in I diameter collapsed opening hun hundreds of fissures in the surrounding I rock which were later filled with rich deposits of ot gold and silver I some of them five to seven miles long Volcanic activity in the ancient Gulf Coastal plain an area which now includes Texas Arkansas and Mississippi brought diamonds to Arkansas and formed oil traps in oUter other areas Erupting years ears ago the ancient volcanoes were discovered during drilling op op- operations operations only since 1915 New Mexico a million or so years ago had a n volcanic lake in the Val- Val Valles Valles Valles les mountains similar to the present Crater lake In Oregon This crater which is the largest explosive crater known was 17 miles long and 13 miles wide |
