A horizontally bedded succession of thick, well sorted sands, containing moderately dipping layers between the flatlying upper and lower surfaces of each bed are called _________.
A) oscillation ripple marks indicating reversing tidal currents
B) current ripple marks caused by reversing current directions or tides
C) graded beds and indicate deep water turbidity currents off the continental slope
D) cross- beds and indicate dunes, deltas, or migrating channels
Correct Answer:
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