 | | Journal (issue) | | costs and raises pellet output at Babbitt and Silver Bay > 20 ANACO N DA'S deep shaft program underway...ARE ENDORSEMENTS... PH is the no.1 choice of the mining industries In recent years shovels 68% of all...P&H has earned such widespread acceptance in the mining industries because of lower per-ton loading cost... 4.5 to 9 yard the world have electric been mining PsH 2. Vastly superior service and parts availability... W. S. Tyler St. Catharines, Ontario Yorks City « San Company « of Philadelphia Francisco |  | | Report (volume) | | development of chalcocite and covelliteSources of the sulphur of secondary sulphides and generation of hydrogen...Arizona__________________________ 208 Note on the Bisbee district, Arizona, by F. L. Ransome_ 209 Globe and Miami...Mexico____________________ 22J Burro Mountain district, New Mexico_____________ 222 , Cananea, Mexico...__ 233 Shasta County, California______ _ __ 234 Snowstorm lode, Coeur d'Alene district, Idaho__ _ 235...235 Encampment district, Wyoming_____________;___ 236 Ducktown, Tennessee______________________ Gossan |  | | Report (volume) | | anonymous papers, placed at the end of Part I Co. county cos. · counties CORPORATE AUTHORS. Am G American...Miners' Association Cal St :M Bur California State Mining Bureau Can G S Canada, Geological Survey Can :M...Adams (F D), 18 Federal Government, relation to the mining industry: Hayes, 06 Fossil insects: Cockerell,...to geology: Davis ( W M), 12a Geologic bases of mining law: De Kalb, 10 Geologic basis for artesian prediction:...relations: Branner, 90a; relations to successful mining: Winslow, 9lc Geological work in the Southwest: |  | | Journal (article/letter/editorial) | | been considered as iron sulphide (FeS,) with the sulphur partly replaced by As”, o r as iron arsenide (FeAs...experiments were made. When heated in hydrogen, all the sulphur is expelled as hydrogen sulphide, whilst the iron...all the arsenic remain; this indicates that the sulphur is less intimately combined with the iron than...arsenic. Pyrites and marcasite lose half their sulphur when heated in hydrogen. Heating with ammonium...therefore seems t o be three tellurides of gold and silver with the formula (Au,Ag)Te,, namely, the orthorhombic |
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