Determination of lithium in rocks by distillation
M. H. Fletcher
1949, Analytical Chemistry (21) 173-175
A method for the quantitative extraction and recovery of lithium from rocks is based on a high temperature volatilization procedure. The sample is sintered with a calcium carbonate-calcium chloride mixture at 1200° C. for 30 minutes in a platinum ignition tube, and the volatilization product is collected in a plug...
Part 3: Volcano investigations on Umnak Island, 1946
F. M. Byers Jr., D.M. Hopkins, K. L. Wier, Bernard Fisher
1947, Report, Alaskan Volcano Investigations Report No. 2
Umnak Island is a dumbbell-shaped island in the eastern part of the Aleutian Islands. The island is 70 miles long and trends northeast-southwest. During 1946 volcano investigations were begun on the island and geologic mapping of most of northeastern Umnak Island was completed.Okmok Volcano, a large, broad volcanic mountain rising...
Mica deposits of the Petaca district, Rio Arriba County, New Mexico
R. H. Jahns
1946, Bulletin 25
Wartime increases in demand for mica of strategic quality, beryllium, tantalum, columbium, tin, lithium, and uranium have focused attention on pegmatite deposits more sharply during recent years than ever before. Not only have numerous technical developments of the past few decades involved new uses for these commodities, but during the...
