 | | Journal (article/letter/editorial) | | distinct minerals belonging to the montmorillonite group, and are analogous to the magnesian clay mineral...minerals to other members of the montmorillonite group are discussed. A zinc clay from Saucon Valley, Pennsylvania...accepted for this member of the montmorillonite group' Zinc-bearing clay materials, commonly referred...members of the montmorillonite-nontronite-saponite group, and the ionic substitutions within the groupl indicated...analogous to saponite, the magnesian member of the group, was to be expected, and so led to a detailed study |  | | Book (edition) | | commonly have several variants, such as Great Smoky Group, Great Smoky Conglomerate, Great Smoky Formation...the total of 4,284 new Terms were United States county and city Terms. Counties and Cities in the United...States Earlier editions had Terms such as Washington County and Portland for counties and cities of the United...for example: Washington County Arkansas and Portland Maine. Each new county Term can now autopost its...to counties was a major task. The scope of U.S. county and city Terms can now be clear even when they |  | | Journal (issue) | | from the Apache Mine, Gila County, Arizona. The largest crystals in the group are about 4 mm in diameter...types and coordinate systems, application of point group sym metries to crystals, characteristics of space...have seen are labeled Shullsburg, which is in Lafayette County, southern Wisconsin, continued on page 284...284 5. Marcasite, Shullsburg, Lafayette County, Wisconsin. William Howe specimen. 6. Marcasite, Shullsburg...Shullsburg, Lafayette County, Wisconsin. William Howe specimen. 248 the Mineralogical Record THE COLLECTOR |  | | Report (issue) | | 4, A1 2 O 3 26.8, Na 2 O 16.3, Lenni, Delaware County. Crystals. Eyerman, 1911, 11. Composition: Analysis:...Sp.gr LOCALITIES: Berks County: Birdsboro, and Gickerville; Delaware County: Leiperville, Lenni (druses...Felton's farm (Chester), and Ward's quarry; Montgomery County: Sumneytown, and Perkiomenville ; Philadelphia:...cut east of Reading (probably Birdsboro), Berks County. White, Smith, 1910, 540. silky mass of radiating...42 9.86 4.77 13.60 100.69 2.277 LOCALITY: Berks County: Birdsboro. MESOLITE m Na Al Si3Oio.2H O 2 2 |  | | Book (edition) | | The largest groups of new terms have been U.S. county names; rock-formation names (mostly North American);...Thesaurus. These include local geographic terms, U.S. county names, rock-formation names, and fossil names.... a. Geographic Coordinates peridot BA olivine group nesosilicates orthosilicates silicates BT minerals...term must be a name unique to one area. Lincoln County is not assigned coordinates in the Thesaurus, because...(BT-NT) relationship is that of a group to an individual in the group, e.g., BT minerals to NT silicates |  | | Report (volume) | | Forresgeologic processes: Perry, ter, J. D., 3. T. G., 3. Mississippi River and Gulf Industrial minerals: Gillson,...P., 15. California, Barstow quadrangle: Trenton group, Ordovician: Bowen, O. E., Jr. , 5. Clark, T. H...4. also Limestone; Dolomite; Western, Claiborne group: Miss. Phosphate. Geol. Soc., 2. California: Calif...described. Div. Mines, 1; Jenkins, O. P., Choctaw County, Highway 17 area: 3. Toulmin, L. D., Jr., 3. Minor:...analysis: KelH. D., 5. ler, W. D., 3. Talladega County, hematiteOklahoma, potash agstone, granite magnetite |
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