 The region is made up of a complex of schists, gneisses, and granites, with, in places, minor interfoliations of slates, quartzites, and limestones. This complex is further intersected by intrusions of basic eruptive rocks belonging, so far as they have...  Bulletin of the United States Geological Survey - Seite 70von Geological Survey (U.S.) - 1910Vollansicht - Über dieses Buch
 | Geological Society of America - 1906 - 1010 Seiten
...is made up of a complex of schists, gneisses, and granites, with, in places, minor interfoliations of slates, quartzites, and limestones. This complex...in the extreme southern part of the region, is an area of altered andesite which extends into North Carolina and is regarded as pre-Cambrian in age.... | |
 | 1907 - 668 Seiten
...region is made up of a complex of schists, gneisses and granites, with, in places, interfoliations of slates, quartzites and limestones. This complex...studied, to the diabasic, dioritic and gabbroic types. The bulk of the rocks composing this region, the oldest in the State, were mapped by the older geologists... | |
 | Thomas Leonard Watson - 1907 - 840 Seiten
...complex of schists, gneisses and granites, with, in places, areas of slate, quartzite, and limestone. This complex is further intersected by intrusions...diabasic. dioritic, and gabbroic types. To the east of Danvillo, in the extreme southern portion of the region, is an area of altered volcanic rocks — andesite... | |
 | American Institute of Mining, Metallurgical, and Petroleum Engineers, American Institute of Mining Engineers - 1908 - 1044 Seiten
...region is made up of a complex of schists, gneisses, and granites, with, in places, interfoliations of slates, quartzites, and limestones. This complex...studied, to the diabasic, dioritic, and gabbroic types. The bulk of the rocks composing this region, the oldest in the State, were mapped by the older geologists... | |
 | 1909 - 568 Seiten
...complex of schists, gneisses, and granites, with, in places, areas of slate, quartzite, and limestone. This complex is further intersected by intrusions...studied, to the diabasic, dioritic, and gabbroic types. Over parts of the eastern and central portions of the region are areas of altered volcano-sedimentary... | |
 | Virginia. Division of Mineral Resources - 1909 - 166 Seiten
...complex of schists, gneisses, and granites, with, in places, areas of slate, quartzite, and limestone. This complex is further intersected by intrusions...studied, to the diabasic, dioritic, and gabbroic types. Over parts of the eastern and central portions of the region are areas of altered volcano-sedimentary... | |
 | George Samuel Rice - 1910 - 820 Seiten
...its geology. The rocks occupying the region are the oldest in the State, and, except in the Triussie areas, they are all crystalline. Rogers mapped the...andesite and acidic porphyries, and their associated pyroclastic rocks (tuffs), which extends into North Carolina and is regarded as pre-Cambrian in age.... | |
 | Thomas Leonard Watson - 1905 - 360 Seiten
...complex of schists, gneisses, and granites, with, in places, areas of slate, quartzite, and limestone. This complex is further intersected by intrusions...been studied, to the diabasic, dioritic, and gabbroic type?. Over parts of the eastern and central portions of the region are areas of altered volcano-sedimentary... | |
 | Geological Society of America - 1906 - 980 Seiten
...is made up of a complex of schists, gneisses, and granites, with, in places, minor interfoliations of slates, quartzites, and limestones. This complex...in the extreme southern part of the region, is an area of altered andesite which extends into North Carolina and is regarded as pre-Cambrian in age.... | |
| |
