. Annual report of the Regents. New York State Museum; Science. PLEISTOCENE GEOLOGY OF NASSAU CO. AND BOROUGH OF QUEENS 029 A small exposure of a bed of till also existed in the summer oi 1900 near Rocky point at the northwestern extremity of the so-called Center island in Oyster bay. The annexed sketches illustrate the varying conditions seen at this locality. In fig. 3 the beds in the bluff west of Rocky point show again the transition from till to stratified beds. A detail of the western part of the sec- tion is given in fig. 4, showing loesslike sands at top, inclosing boulders, beneath wh


. Annual report of the Regents. New York State Museum; Science. PLEISTOCENE GEOLOGY OF NASSAU CO. AND BOROUGH OF QUEENS 029 A small exposure of a bed of till also existed in the summer oi 1900 near Rocky point at the northwestern extremity of the so-called Center island in Oyster bay. The annexed sketches illustrate the varying conditions seen at this locality. In fig. 3 the beds in the bluff west of Rocky point show again the transition from till to stratified beds. A detail of the western part of the sec- tion is given in fig. 4, showing loesslike sands at top, inclosing boulders, beneath which comes a bed of gravelly sand from 6 to 10 feet thick, with pockets /4;^/^'\'/\-^\zfe) of clay. A gravelly till 10 feet thick underlies this bed, below which again appear ^^^r,-I. X-\ VA-^/A^-'v>^^^/\\ compound gravels and sand. pig. 2 southwestern face of Barker point. Near the headland underlying ^' cross-bedded ferruginous sands; b, the tiu . bed 5 or 6 feet thick, resting uncon form ably blue clays rise up ni a knob, on the sands, and overlaln by sands; C, sands; with sands cut off on the east, I>. surface till and boulders, the fine materials ^ being largely rearranged sands the whole being overlain uncon- formably by till with boulders up to 2 feet in diameter. At the headland on the southwest, the sections shown in fig. 5 and 6 exhibit an earthy gravel (as in fig. 6) evidently a phase of the till bed or the till as in fig. 5, resting unconformably on tilted yellow sands, which in turn repose on disturbed 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