Show GOLD in WAR has driven the lesson in ill i europe war to the world that in times of home as well as in times of peace stress is the most sought for article GOLD FOLD to Inan mankind kind and that mining known I 1 fundamental find industries gold ls is one of 01 tile ne for tries upon which progress and prosperity dus depend we issue weekly biweekly bi information of our clients who tie forthe for I 1 are interested in gold mining the NEVADA 1111 MINING NING NEWS which contains all the real news aws f from rm all tile the mines of nevada ri all the time and points out now and then some extraordinary money mak ing opportunities upon request we wil mail this publication to you regularly as issued for six months absolutely LY FREE write for it today an and ask us for any information you may desire about any mine in nevada we know the state from one end to the th other and have personal represent representatives stives in all important camps TUB THE G S JOHNSON COMPANY mining investments phelan san francisco ca cal 1 2 r v IEN SALT LAKE 11 gave aled f ei g HOTEL STANFORD san francisco Francis cos new leading hotel KEARNY STREET SAN FRANCISCO between sutter butter and bush ADJOINING THE MINING STOCK EXCHANGE ANGE the most centrally located hotel in the city ALL MODERN improvements headquarters FOR MINING MEN we carry a stock of technical books and can furnish any book boo k in print THE SALT LAKE MINING REVIEW we are arc western distributors for CLASON MAPS KROGH if interested PUMPS IN A PUMP are power savers in irrigation which Is central fool proof station get our or power bulletin no 82 plants Are Absolutely 0 avral balanced water OUR SLIME KROGH MOTOR DRIVEN PUMP PUMP no set collars or thrust which Is also bearings illustrated employed has easily removable fitted with liners no ring oiling through bolts bearings and are employed gland and get our removable bulletin which gives bushings full details KROGH PUMP MFG CON CO SAN FRANCISCO BEALE STREET CALIF PUBLISHED SEPTEMBER 1913 MINERAL DEPOSITS by WALDEMAR LINDGREN william barton rogers professor of economic geology in charge of the department of geology massachusetts institute of technology geologist united states geological survey pages illustrations 5 00 postpaid et CONTENTS introduction deposits formed by concentration of substances contained deposition of minerals in the surrounding rocks by the flow of underground waters means of circulating waters deposits formed by regional the composition of underground Alet metamorphism formed by waters the chemical work of underground deposits of native copper in waters basic lavas lead and zinc deposits in sedimentary the origin of underground water Inen tary rocks in their genetic and its dissolved substances connection with igneous rocks the spring deposits at the surface deposits formed near the surface by ascending thermal relations of mineral deposits to waters and in genetic connection with igneous rocks mineral springs deposits formed at intermediate folding and faulting depths by ascending thermal openings in rocks waters and in genetic connection form structure and texture of with intrusive rocks mineral deposits veins and replacement deposits formed by hot ascending A waters Ore shoots and at high temperature classification of mineral deposits dep pressure and in genetic connection deposits formed by mechanical with intrusive rocks process of transportation and deposits formed by processes of concentration deposits igneous Alet metamorphism mineral deposits of pegmatite deposits formed by chemical dikes processes of concentration in mineral deposits formed by concentration bodies of surface waters cent ration in molten folten IN hagmas magmas deposits formed by evaporation metamorphosed deposits of metallic ores waters oxidation bodies of surface of and representation calculation of analysis of rock formed by bv process deposits tation by diagrams resen decay and weathering bering for sale by THE SALT LAKE MINING REVIEW gm emr ma aj NUYS HOTEL rr los angeles california european plan rates and up per day C H KNAPPE manager E L POTTER COMPANY |