 In weathering it absorbs a large amount of water and increases greatly in volume, forming a frothy mantle on the surface which often resembles hoarfrost. When this dries it becomes a soft white powder. Mixed with the proper amount of water it is exceedingly...  Cenozoic Mammal Horizons of Western North America - Page 55by Henry Fairfield Osborn, William Diller Matthew - 1909 - 138 pagesFull view - About this book
 | Geological Survey (U.S.) - Geology - 1906 - 552 pages
...of water it is exceedingly plast'c and with the addition of more water it becomes a perfect'paste. Tests show that it completely absorbs over three times...seven times its volume of water, and twice as much glycerin as diatomaceous earth will absorb. COMPOSITION. Bentonite falls under the kaolin group of... | |
 | Materia medica - 1906 - 696 pages
...amount of water. It is exceedingly plastic, and with the addition of more water becomes a perfect paste. Tests show that it completely absorbs over three times...seven times Its volume, of water and twice as much glycerin as diatomaceous earth will absorb. The chief use of the clay so far developed Is as a material... | |
 | Geological Survey (U.S.), Samuel Franklin Emmons - Geology, Economic - 1906 - 542 pages
...piastre and with the addition of more water it becomes a perfect paste. Tests show that it com-' pletely absorbs over three times its weight or seven times its volume of water, and twice as much glycerin as diatomaccous earth will absorb. COMPOSITION. Bentonite falls under the kaolin group of... | |
 | Geological Survey (U.S.) - Geology - 1909 - 110 pages
...portion of the Benton formation. In the Laramie Basin it occurs near the member known as the Mo wry shale, as a rule above it and overlain by 20 feet...Analyses of bentonite from the Laramie Basin, Wyoming. Analyst unknown. Analysis by HL Hodges. c Analyses by John Ogden d Analyses by Thomas T. Read. Taylor.u... | |
 | United States - 1909 - 738 pages
...in the lower portion of the Benton formation. In the Laramie Basin it occurs near the member known as the Mowry shale, as a rule above it and overlain...considers it a variety of montmorillonite. Analyses of bentonile from the Laramic Basin, Wyoming. a Analyst unknown. t> Analysis by II. L. Hodges. c Analyses... | |
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