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Page 7091, results 177251 - 177275

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Structural history of the fracture systems at Grass Valley, California
W. D. Johnston Jr., E. Cloos
1934, Economic Geology (29) 39-54
In the foregoing outline of the structural history of the Grass Valley intrusive the vein fractures are regarded as elements of the internal tectonics of the intrusive body itself. They originated in an early stage of the structural development of the region, and are equivalent to the marginal thrusts observed in the Yose-mite and along the Mother Lode system....
Determination of the common and rare alkalies in mineral analysis
R.C. Wells, R.E. Stevens
1934, Industrial And Engineering Chemistry Analytical Edition (6) 439-442
Methods are described which afford a determination of each member of the alkali group and are successful in dealing with the quantities of the rare alkalies found in rocks and minerals. The procedures are relatively rapid and based chiefly on the use of chloroplatinic acid, absolute alcohol and ether, and...
The chemical disinfection of trout ponds
F. F. Fish
1933, Transactions of the American Fisheries Society (63) 158-163
The need for knowledge concerning the prevention and control of fish diseases has never been greater than it is in this present era of economy when two fish must be raised in the same water which once supported but one. Fish pathologists have contributed a great deal to our knowledge...
Some mining districts of eastern Oregon
James Gilluly, J. C. Reed, C. F. Park Jr.
1933, Bulletin 846-A
This report presents the results of a reconnaissance of most of the mining districts of Oregon east of the Cascade Range, with the exception of the districts in the Sumpter quadrangle. The districts described are distributed through an area roughly coincident with the Blue Mountains, which extend over much of...