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Page 7184, results 179576 - 179600

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Publication Extents

Not all publications have extents, not all extents are completely accurate
The 21 and 27 fluorspar mines, Zuni Mountains, Valencia County, New Mexico
E. N. Goddard
1945, Open-File Report 45-3
The 21 and 27 mines, near the southeastern end of the Zuni Mountains and about 14 miles southwest of Grants, Valencia County, N. Mex., are in one of the most productive fluorspar areas in the West. They were named after sections 21 and 27, respectively, of T. 9 N., R....
Structural and economic characteristics of New England mica deposits
Eugene N. Cameron, David M. Larrabee, A.H. McNair, James J. Page, Vincent E. Shainin, G. W. Stewart
1945, Economic Geology (40) 369-393
In connection with the intensive wartime exploitation of domestic mica deposits, the Geological Survey has been engaged in a comprehensive investigation of New England mica pegmatites. More than 200 pegmatites have been mapped and studied in detail and some hundreds of others have been given brief examination. The opportunity for...
Solution effects on elevated limestone terraces
J. E. Hoffmeister, H. S. Ladd
1945, Geological Society of America Bulletin (56) 809-818
Limestone terraces on a number of islands in the southwest Pacific show a well-developed wall or rampart along their seaward edges that apparently is formed by solution. Such rimmed terraces resemble, on a much enlarged scale, the solution facets developed on flat-lying joint blocks of limestone, recently described by Smith...
Stratigraphy and structure of west-central Vermont
Wallace M. Cady
1945, GSA Bulletin (56) 515-588
The lithologic units recognizable in the fossiliferous succession along southern Lake Champlain are structurally continuous with and traceable eastward into the “marble belt” of west-central Vermont immediately west of the Green Mountain Front. They are also traceable northward through west-central Vermont into a succession in northwestern Vermont bounded on the...