Show aix C I 1 th e 0 brigil rigil 0 f 0 re ts Is an exceedingly useful and interesting book which comes just at the right time it fills a need seri seriously felt by mining men and it will have i its place in the 11 vest pocket of every mining mining n operator many a mine superintendent has been puzzled at times ty by 1 formation of igneous rocks 2 chemistry and metallurgy ot the behavior of the ore body he was mining and has felt that a igneous rocks 3 relation of eruptive rocks to ore deposits better knowledge of ore deposition would be of immense value 4 fissures and their filling veins and shoots 5 origin of the to him but he is a busy man and ices does not have time to sit solutions that deposit the ore 6 formation of ore bodies by down for long hours and peruse some large and cumbersome aqueous solutions 7 role of in the deposition of text book ore 8 superficial alteration 9 secondary enrichment index what lie he wants is a book lilie like the origin of ore deposits and glossary with a flexible linen cover which he can put in his coat pocket the book is well illustrated and the illustrations add greatly and carry everywhere to the clearness of the text A book of 84 pages only which tells him in the simplest and if the bool is invaluable to the mine superintendent it Is plainest language all he wants to know without burdening him just as useful to the up to date mining investor who wishes to with unnecessary details be able to judge dudl ge for himself of mining conditions the author of the book mr etienne A ritter is a mining the knowledge of the chief features of ore deposition enables engineer of great repute and one of the highest recognized authorities him to ask the mine manager questions to the point and ties on mining geology he has written a clear comprehensive to judge the value of a mining engineers report book which goes right into the heart of the subject at the end of the book is a glossary explaining the meaning the book is divided into the following nine chapters of the most important terms used in mining geology 1 price boc postage prepaid L 5 50 address the mit mining review C P 0 box 1137 salt lake city utah THE WILD W MILL operates on ya H P per ton of ore crushed makes the least slimes screens before J grinding and after grinding and we guarantee that the wear will not exceed 5 cents per ton crushed itis it is self contained and is the simplest crushing NIL mill on the market is rapidly coming into favor by the excellent work ork accomplished shed send for particulars catalogue and letters of endorsement to THE MORSE BROS M S CO builders denver colo U S A automatic cyaniding Cyan iding machinery machinery M THE BLAISDELL SYSTEM consisting of excavators Excava tors distributors belt conveyors and tailing St ackers will transfer sand from a collecting to a leac leaching bing vat or a dump at the bate rato of tons per hour bour at a cost of one cent per ton BLAISDELL SAND shower the sand lightly and emetil evenly I 1 in I 1 leaching 11 vats in an ideal condition for rapid and uniform percolation adle and 11 leaching a C kin BLAISDELL SLIME FILTERS filter and wash thoroughly at a minimum cost of installation and operation arat E FOR far OU alar R NE NEW EW cataloger CATA A LOGEl BLAISDELL COMPANY MAIN OFFICE pacific electric los angeles cal NEW YORK OFFICE 2600 park row building new york butte copper age only mining paper WEEKLY e PER YEAR send for sample copy BUTTE COPPER AGE N main street if you want to reach the mine owner the mine manager the mine superintendent the general mining public advertise in the mining review |