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Publication Extents

Not all publications have extents, not all extents are completely accurate
The physiographic provinces of Alaska
Clyde Wahrhaftig
1960, Open-File Report 60-146
The wealth of recently accumulated geographic information on Alaska has made desirable a new classification of the state into physiographic divisions. Most of Alaska is now covered by topographic maps of high quality at scales of 1:63,360 and 1:250,000, prepared by multiplex methods from aerial photography. A classification made now...
Metallization and post-mineral hypogene argillization, Lost River tin mine, Alaska
C.L. Sainsbury
1960, Economic Geology (55) 1478-1506
The Lost River tin and tungsten deposit occurs in a buried granite pluton and in associated rhyolite dikes that intrude Paleozoic limestone. The dikes and parts of the granite were greisenized and then argillized irregularly. Metallization accompanied greisenization rather than argilli-zation, although both processes probably were closely related in time. Iron-zinc ratios...