Multiple Choice
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) cross-beds and indicate dunes, deltas, or migrating channels
B) graded beds and indicate deep water turbidity currents off the continental slope
C) oscillation ripple marks indicating reversing tidal currents
D) current ripple marks caused by reversing current directions or tides
Correct Answer:

Verified
Correct Answer:
Verified
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