A Succession of Beds Containing Small Scale Asymmetric Ripples That

question 76

Multiple Choice

A succession of beds containing small scale asymmetric ripples that alternate their orientations are likely to be_________ .

• A) current ripple marks caused by reversing current directions or tides
• B) oscillation ripple marks from gentle wave action in a shallow near shore environment
• C) hummocks and indicates a deposit formed by storm enhanced waves or currents
• D) cross- beds and indicates dunes, deltas, or migrating channels

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