. Annual report. New York State Museum; Science; Science. THE GEOLOGICAL HISTORY OF NEW YORK STATE 45 that the western and southern portions of the State were submerged under the Ordovicic sea. In northern New York, however, there is no positive evidence whatever that the whole Adirondack area was ever completely submerged during this period. Accordingly the central Adirondacks formed a persistent island in the Ordovicic sea. Furthermore, in northern New York there were various rather. Fig. 16 Generalized map of North America showing the relations of land and water during the Midordovicic peri


. Annual report. New York State Museum; Science; Science. THE GEOLOGICAL HISTORY OF NEW YORK STATE 45 that the western and southern portions of the State were submerged under the Ordovicic sea. In northern New York, however, there is no positive evidence whatever that the whole Adirondack area was ever completely submerged during this period. Accordingly the central Adirondacks formed a persistent island in the Ordovicic sea. Furthermore, in northern New York there were various rather. Fig. 16 Generalized map of North America showing the relations of land and water during the Midordovicic period. Horizontally lined areas = land; blank areas = water. All of New York State was submerged except the central Adirondacks which stood out as an island. The conditions in Mexico and Central America are practically unknown. local oscillations of level bringing the land around the island now above and now below sea level, but all such details are here omitted. For our purpose it will suffice to say that, except for the Adirondack island, northern New York was mostly below sea level during the Ordovicic. To summarize the above statement: New York State. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original New York State Museum. Albany : University of the State of New York


Size: 1527px × 1636px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1900, booksubjectscience, bookyear1902