. Annual report of the Regents. New York State Museum; Science. 556 NEW YORK STATE MUSEUM 3 An overthrust of the eastern wing over the western, bring- ing the Oambric beds in contact with the Dicellograptus beds in the core of the fold (fig. 4). ' ^'^^--'A^^^W '^. 'n.'Q rig. 4 Overthrust fault. 4 Reduction to a plain. The erosion, working proportionally to the elevation of the beds and, later, on the abrasion by the seas of upper Siluric and Devonic time, as evinced by the uncon- formable deposition of the limestones at Becraft mountain (Columbia county), on the " Hudson river'' shales, r
. Annual report of the Regents. New York State Museum; Science. 556 NEW YORK STATE MUSEUM 3 An overthrust of the eastern wing over the western, bring- ing the Oambric beds in contact with the Dicellograptus beds in the core of the fold (fig. 4). ' ^'^^--'A^^^W '^. 'n.'Q rig. 4 Overthrust fault. 4 Reduction to a plain. The erosion, working proportionally to the elevation of the beds and, later, on the abrasion by the seas of upper Siluric and Devonic time, as evinced by the uncon- formable deposition of the limestones at Becraft mountain (Columbia county), on the " Hudson river'' shales, reduced the surface of the disturbed area to nearly or entirely the condition of a plain, leaving the steeply dipping conformable and inverted series of beds and the overthrust fault as witnesses of the former powerful activity of orogenic forces (fig. 5).. 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; University of the State of New York. Board of Regents. Albany : J. B. Lyon, State Printer
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Keywords: ., bookauthorne, bookcentury1800, bookdecade1880, booksubjectscience
