 That the Kaibab limestone is of early Permian age is now admitted by most American stratigraphers. This view, however, has been attained rather from its field relations than through a study of its marine 'fossils, for these in several forms are very much...  The American Journal of Science - Page 3141918Affichage du livre entier - À propos de ce livre
 | 1919 - 294 pages
...limestones, the Coconino sandstone and even the upper part of the Supai formation are Permian. He says: "That the Kaibab limestone is of early Permian age...collected by Noble in the Shinumo quadrangle is listed by Girty and he here correlates the Kaibab limestone with the Manzano group of New Mexico. He also suggests... | |
 | Geological Society of America - 1919 - 710 pages
...undoubted Permian). Schuchert21 maintains the Permian age of this formation still more strongly, saying "that the Kaibab limestone is of early Permian age...relations than through a study of its marine fossils." Throughout Europe the Permian is characterized by a fauna very similar in its general composition to... | |
 | 1922 - 504 pages
...others may know what is really meant. On this very point Prof. Charles Schuchert recently observed: "That the Kaibab limestone is of early Permian age...marine fossils, for these in several forms are very like those of the Pennsylvanian." If ever there were antipodal rock sequence, and representative faunas... | |
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