Table of ContentsMethods of Vein FormationSummary and Conclusions A vein may be defined as an aggregation of mineral matter, more or less tabular or lenticular in form,
Table of ContentsGranulating SlagSlag CementPortland Cement made from Slag and LimestoneIron Portland CementSpecial CementsSlag BricksDiscussion The successful establishment of iron blast-furnace plants at Newcastle and Lithgow
The Quarto Mine and preparation plant of Quarto Mining Company is based on the production of coal from the Pittsburgh seam. At this location the
Table of ContentsEarly MethodsIllustration of SegregationKind of Tailings that may be SegregatedStoring and Importance of Milling SiteThe Cost of Segregation It is not my purpose to
The Committee on Technical Nomenclature, of which John T. Faig, Professor of Mechanical Engineering at the University of Cincinnati, is Chairman, appointed by the Society
The furnace described in this paper was installed and has been used by the writer for the melting of rich gold-bearing material, and has given
Table of ContentsWhat is the Effect of Zinc o Gold AssayDoes Cadmium Impact Assaying of GoldHow does Copper Affect Gold AssaysWhat does Lead do to
The building is a lofty, well-ventilated one of hardwood frame, with galvanized-iron walls and roof, and consists of five spans running north and south, covering
Table of ContentsCCD Wash Ratio DefinitionTheoretical ConsiderationsVariables Affecting Decantation ProcessMechanical FeaturesDorr ThickenerDiaphragm PumpsMeasurement of Solution PrecipitatedTray ThickenersDecantation Plant LaborPowerCostExtraction and RecoveryDiscussionGrade of Ore That Can Be
I consider the lead and zinc deposits of the Mississippi Valley to be the result of descending waters. There are many features that we have