Table 1.  Withdrawal time and temperature table for the separation of
silt and clay (<2 micrometers) fractions by decantation (Folk, 1974;
Poppe and others, 2000). All depths are assumed to be 5 cm; temperatures
are in degrees C.  Hours: h; minutes: m; seconds: s.

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TEMPERATURE          TIME
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    20             4h6m

    24            3h54m

    32            2h58m
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