Word: rift
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Dates: during 1890-1899
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...drumlins to morainal deposits may be studied. On the seashore there is an admirable exhibition of dike phenomena. The formation of marine pebbles may be studied in those produced from the quarry waste thrown into the sea. The quarries exhibit the phenomena of jointing, and the peculiar accidents of "rift" "lift" and "cut-off," terms used by the quarrymen to indicate available lines of weakness in the stone, which they may use in extracting blocks. If the conditions favor, traces of submerged forests may be found. The excursion is recommended as one of the best which can be made within...
...drumlins to morainal deposits may be studied. On the seashore there is an admirable exhibition of dike phenomena. The formation of marine pebbles may be studied in those produced from the quarry waste thrown into the sea. The quarries exhibit the phenomena of jointing, and the peculiar accidents of "rift," "lift" and "cut-off," terms used by the quarrymen to indicate available lines of weakness in the stone, which they may use in extracting blocks. If the conditions favor, traces of submerged forests may be found. The excursion is recommended as one of the best which can be made within...