Outline of the Geology of the Globe, And of the United States in Particular: With Two Geological ...
Outline of the Geology of the Globe, And of the United States in Particular: With Two Geological ...
Edward Hitchcock
The book Outline of the Geology of the Globe, And of the United States in Particular: With Two Geological ... was written by author Edward Hitchcock Here you can read free online of Outline of the Geology of the Globe, And of the United States in Particular: With Two Geological ... book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Outline of the Geology of the Globe, And of the United States in Particular: With Two Geological ... a good or bad book?
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Jdur. Science, vol. xlv. p. 131. AFRICA. Of central Africa we know but little from actual observation. On the river Zaire, however, crystal- line slates and granite predominate, as well as in the kingdom of Sackatoo and at the Cape of Good Hope. In the interior of this last colony there are secondary calcareous sandstones, with tertiary strata, yet the region is destitute of igneous rocks. On the Nile, however, and between that river and the Red Sea, extinct volcanoes are described. In Egypt an...d Ethiopia generally, however, we find crystalline schists with dioritic and syenitic eruptions, which are flanked by ancient secondary formations, and 56 THE GEOLOaY OF THE GLOBE. above these a cretaceous formation, with nummulites. Associated with a recent sandstone there exist, especially near Cairo, large quantities of silicified dicotyledonous trees. The Great Desert, Sahara, is represented on the map as tertiary. In Ethiopia is a lake sunk below the ocean, like the Dead Sea. Along the western coast gold is washed from the sands.
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