OCR Text |
Show Volcano Blowholes Blowlloles AieValuable Al e eValuable Valuable Ore SourcesNew Sources _ New YorkBlowholes York Blowholes -Blowholes - that once onceconducted onceconducted onceconducted conducted volcanic volcamc gases and later laterwere laterwere latelwere were filled with metallic romerals minerals romeralsnow mineralsnow mineralsnow now are mined mmed for their valuable valuablecon valuablecontents valuabkcontents valuabkcontentsOre con contents tents tentsOre contentsOre Ore deposits like l11.e l11e . the rich nch Cana Cananea Cananea Cananea I CanaI nea thePatch Sonora mines mmes in Mexico thi the thePatch the thiPatch Patch at Central City Colo and an ancthe d the anthe Espiritu SPlrltu Santo mine mme in Panama Panamawere Panamawere were formed m in this way Gases Gasesboring Gasesbormg bormg boring their theIT way upward created create createthe createcthe d the hole in the overlying over1ymg rock rock . , an anat and andat anat d < at a later date solutions broughtminerals brought in inmmerals iiminerals mmerals minerals depositing them in the thecracks th thcracks thicracks cracks and crevices of the loose looserock loos loosrock loosirock e rock filling fill1ng the blowhole _ _ |