The American Journal of Science and ArtsS. Converse, 1875 |
Contents
NUMBER | 1 |
On some points in the Geology of the Blue Ridge in Vir | 78 |
Jeffries Wyman Address of Professor A GRAY | 81 |
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acid American apparatus appears argillites barometer beds belt Blue Ridge carbon character Chemical Chemistry chlorite color contains County Cretaceous crystalline crystals DANA deposits described distance east Eocene epidote examination experiments fact feet feldspar fossils genera genus Geological given gneiss green hematite hornblende hydrogen images inches iron Journal Lake latter layers light limestone limonite lower magnetic mass Mastodon metamorphic mica miles mineral Miocene molar mountain natural nearly observations obtained occur Oreodon outcrop oxide paper pass plates portion position premolar present prism probably produced Prof Professor published pyrites quartz quartzites rays region Report River Rockfish Gap rocks sandstone schists seen shales Silurian silver iodide slates solution species specimens spectrum strata suckers surface Survey syenite temperature thickness tion Transverse diameter tube upper valley velocity vibrations violet volume weight