Bulletin of the Geological Society of America . Figure 16.—Great Rockji Mountain and narroiv Pacific Geosynclines and Gulfof Mexico Overlap of early Ipper Cretaceous Time ILLUSTRATIONS 229. (^^> VNi 7L PiGURE 17.—Great Rocky Mountain and narrow Pacific GeosyncUnes and Gulfof Mexico Overlap of late Upper Cretaceous {Pierre) Time Shading indicates areas of greatest subsidence. BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA Vol. 34, pp. 231-242 June 3o. 1923 ? KOBEFS THEORY OF OEOGEXY^ BY CHESTER R. LOXGWELL {Presented before the Society Decernher 28, 1922) CONTENTS outline of Kobers
Bulletin of the Geological Society of America . Figure 16.—Great Rockji Mountain and narroiv Pacific Geosynclines and Gulfof Mexico Overlap of early Ipper Cretaceous Time ILLUSTRATIONS 229. (^^> VNi 7L PiGURE 17.—Great Rocky Mountain and narrow Pacific GeosyncUnes and Gulfof Mexico Overlap of late Upper Cretaceous {Pierre) Time Shading indicates areas of greatest subsidence. BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA Vol. 34, pp. 231-242 June 3o. 1923 ? KOBEFS THEORY OF OEOGEXY^ BY CHESTER R. LOXGWELL {Presented before the Society Decernher 28, 1922) CONTENTS outline of Kobers theory 231 Theory and work of Suess 232 Comparison of views of Suess and Kober on tlie Mediterranean mountain system 232 Characteristics of the Mediterranean ranges 233 Comparison of the Mediterranean orogen with other mountain 236Mountain growth 238 Brief Outlixe of Kobers Theory Professor Kober has attempted to fit all parts of the earths crust intoa broad structural scheme, recognizing major units of two kinds: greatplates or shields, continental in size, which behave as essentially rigidmasses; and between them sinuous, comparatively narrow zones, whichare relativ
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectgeology, bookyear1890
