底形

底形（英語：）是一種在流體在底界面處形成的結構[1]。是由於流體流動水底沉積物而造成的。 例如同波痕和沙丘[2]。 底形通常被保留在岩石中，故可用於推斷流體深度和速度[3]。

參考文獻
  1. Venditti, J. G.; Church, M. A.; Bennett, S. J. (2005). "Bed form initiation from a flat sand bed". Journal of Geophysical Research. 110: F01009. Bibcode:2005JGRF..110.1009V. doi:10.1029/2004jf000149
  2. Prothero, D. R. and Schwab, F., 1996, Sedimentary Geology, pg. 45-49, ISBN 0-7167-2726-9
  3. Southard, J B (1991). "Experimental Determination of Bed-Form Stability". Annual Review of Earth and Planetary Sciences. 19: 423–455. Bibcode:1991AREPS..19..423S. doi:10.1146/annurev.ea.19.050191.002231
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