Abstract

Eight distinctive but little-known ripple mark varieties have been recognized in shallow water (less than 1 m. deep) along the Florida panhandle coast. Three additional well-known varieties have been seen in water up to 20 m. deep. The shallow-water varieties are thought to be caused by falling water level, direct wind effects, or a combination of 2 or more wave sets. One of these varieties, a symmetrical ripple mark, is shown to deviate in plan by as much as nearly 45 degrees from the waves which produce it. Since this latter type is difficult to identify, its lithified counterparts might be easily misinterpreted.

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