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Filters: Tags: Onondaga County, New York (X) > partyWithName: Bradley, W.H. (X)

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Thin section of a recent algae reef from Green Lake: showing the typical spongy structure of the microcrystalline calcite produced by a felt of fresh water algae. This also shows a portion of the recrystallized and denser surface layer in the upper left quadrant. Enlarged 30 diameters. Onondaga County, New York. July 1926. Plate 30-B in U.S. Geological Survey. Professional paper 154. 1929.
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Recent algal deposit from Green Lake, the upper rough part is grayish green, owing to the dense felt algae, whose tips were only incrusted with lime. The lower, smoother part, which was buried in a soft limy mud is yellowish gray, dense and without living algae. Onondaga County, New York. July 1926. Plate 29-B in U.S. Geological Survey. Professional paper 154. 1929.
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Thin section of a recent algae reef from Green Lake, showing the tubular molds of the thalli of a filamentous alga. microcoeleus paludosa (Kutzing) Gommont in a matrix of microcrystalline calcite. The darkest molds contain bakelite with which the specimen was impregnated for sectioning. Enlarged 75 diameters. Onondaga County, New York. July 1926. Plate 30-A in U.S. Geological Survey. Professional paper 154. 1929.
    map background search result map search result map Recent algal deposit from Green Lake. Onondaga County, New York. 1926. Thin section of a recent algae reef from Green Lake. Onondaga County, New York. 1926. Thin section of a recent algae reef from Green Lake. Onondaga County, New York. 1926. Recent algal deposit from Green Lake. Onondaga County, New York. 1926. Thin section of a recent algae reef from Green Lake. Onondaga County, New York. 1926. Thin section of a recent algae reef from Green Lake. Onondaga County, New York. 1926.