Search Documents
Search Again
Search Again
Refine Search
Refine Search
-
New York Paper - Economic and Geologic Conditions Pertaining to Occurrence of Oil in North Argentine-Bolician Field of South America (with Discussion)
By S. C. Herold
Considerable interest has been shown, during recent years, in the possibilities of developing oil fields in the South American Republics, now that the exhaustion of our present fields can be seen in t
Jan 1, 1920
-
Discussion
Discussion WEDNESDAY AFTERNOON, FEBRUARY 21, 1951 Ralph E. Grim presiding R. E. GRIM, CHAIRMAN-Has anyone a particularly fruitful point to make or question to ask on any of the papers that have
Jan 1, 1952
-
Discussions - Of Mr. Emmons' Paper on the Secondary Enrichment of Ore-Deposits (see Trans., xxx., In)
George Smith, Sydney, N. S. Wales (communication to the Secretary): The very interesting paper by Mr. Emmons on " The Secondary Enrichment of Ore-Deposits " has just come under my notice; and its refe
Jan 1, 1903
-
New York Paper - Mine Fires and Hydraulic Filling (with Discussion)
By H. J. Rahilly
Mine fires, in the Butte district, have been a source of trouble and expense for the past thirty years, for while the actual fire area in most of the mines has been comparatively small, the handling o
Jan 1, 1923
-
Washington D.C. Paper - The Mining Work of the United States Geological Survey
By S. F. Emmons
In the yew 1879, Congress, acting tinder the advice of tile National Acdemy of Sciences, discontinued the temporary surveys or explorations under Hayden, powell, and Wheeler, and established as a perm
Jan 1, 1882
-
New York Paper - Mine Fires and Hydraulic Filling (with Discussion)
By H. J. Rahilly
Mine fires, in the Butte district, have been a source of trouble and expense for the past thirty years, for while the actual fire area in most of the mines has been comparatively small, the handling o
Jan 1, 1923
-
Lake Superior Paper - The Origin and Mode of Occurrence of the Lake Superior Copper Deposits
By M. E. Wadsworth
The region about the south shore of Lake Superior is to geologists one of the most interesting districts of the United States, embracing as it does, in a limited area, old crystalline rocks, together
Jan 1, 1898
-
Recent Improvements in Mining Practice on the Mesabi Range
By Arthur Anderson
OUT of the depths of each business cycle we emerge with a stimulus for greater efficiency and a realization of progress in industrial technique. The recent years have not been an exception to this rul
Jan 1, 1938
-
Alumina From Clay By The Lime-Sinter Method
By F. R. Archibald, C. F. Jackson
THE prospect of winning aluminum from clay was recorded almost a century ago at a time when the metal was no more than a curiosity.? As the industry developed, and it has probably developed faster tha
Jan 1, 1944
-
Papers - Five Years of Progress in Southern Blast-furnace Practice (With Discussion)
By Francis H. Crockard
During the past five years we have probably witnessed greater technological advances than in any similar period. Industry and science have steadily marched ahead. The makers of iron and steel products
Jan 1, 1936
-
Papers - Five Years of Progress in Southern Blast-furnace Practice (With Discussion)
By Francis H. Crockard
During the past five years we have probably witnessed greater technological advances than in any similar period. Industry and science have steadily marched ahead. The makers of iron and steel products
Jan 1, 1936
-
Discussion of Papers Published Prior to 1956 - Coal Preparation with the Modern Feldspar Jig
By L. L. Mohier
Mr. Vissac's study is very elaborate and complete and gives a clear idea both of phenomena occurring during operation of the feldspar jigs and results ob- tained by some of them in Europe. I
Jan 1, 1957
-
New York Paper - Some Practical Suggestions Concerning the Genesis of Ore-Deposits
By Max Boehmer
The first and most lasting impression made upon the mind of him who examines a mine or a mining district consists in the observation that in each and every case there is an intimate association of the
Jan 1, 1904
-
Ballability Index to Quantify Agglomerate Growth by Green Pelletization
By Douglas W. Fuerstenau, Kalanadh V. S. Sastry
Based on an analysis of green pellet size distributions and kinetic data on ball growth with taconite concentrates, a ballability index has been developed to quantify ball growth behavior as a functio
Jan 1, 1973
-
Institute of Metals Division - An Electron-Transmission Study of Rolled and Annealed Silicon-Iron Crystals with (111) [112] Orientation
By Hsun Hu
The microstructural changes during rolling and at various stages of recrystallization in (111)[112] oriented single crystals of Si-Fe have been studied by transmission electron microscopy. At very low
Jan 1, 1964
-
Papers - Progress Notes on the Iron-silicon Equilibrium Diagram (With Discussion)
By Earl S. Greiner, Bradley Stoughton
As a part of the systematic study of the alloys of iron under the auspices of the Engineering Foundation, and preliminary to the commencement of comprehensive work on this larger subject, the authors
Jan 1, 1930
-
The Ammonium Sulphate Process For The Extraction Of Alumina From Clay And Its Application In A Plant At Salem, Oregon
By W. R. Seyfried
THE problem of extracting alumina from clay and low-grade bauxites has been the subject of considerable interest for some time. The basic reason, of course, lies in the fact that known reserves of hig
Jan 1, 1947
-
Institute of Metals Division - Internal Friction Studies on Silver and Certain Silver-Base Solid Solutions
By J. H. Frye, S. G. Holder, E. E. Stansbury
Internal friction studies on annealed and cold-worked pure silver and alloys of silver with 4.5 atomic pct each of Cd, Sn, and Sb are reported. Small amounts of cold work, introduced by stretching pur
Jan 1, 1957
-
History, Geology And Planned Expansion Of Mount Isa Mines Properties
By E. M. Bennett
HISTORY In 1923 John Campbell Miles discovered the Mount Isa deposit after finding and submitting for assay some “unusual and heavy rocks”. Six months after submission he received the assays of hi
Jan 1, 1970
-
The Development Of The Northwest
In 1803 the purchase of the immense territory called the province of Louisiana wm arranged between Thomas Jefferson, President of the United States, and Napoleon Bonaparte, First Consul of France. Thi
Jan 1, 1932