Environments change through geologic time. When sea level rises or falls, sediments which were deposited adjacent to each other end up stacked on top of each other. The following is a stratigraphic representation of the rocks you just identified. Based on what you know about where certain rock types are deposited, and relative geologic time, place the depositional events in the correct order. 1. Low sea level, rocks deposited in high energy terrestrial environment; 2. Sea level rises, rocks deposited at sandy beaches; 3. Sea level continues to rise, rocks deposited in low energy, marine environment; 4. Sea level begins to fall; 5. Sea level continues to fall, rocks again deposited in high energy terrestrial environment. 1. Low sea level, rocks deposited in low energy terrestrial environment; 2. Sea level rises, rocks deposited in deep water marine environment; 3. Sea level continues to rise, rocks deposited in low energy, marine environment; 4. Sea level begins to fall; 5. Sea level continues to fall, rocks again deposited in high energy terrestrial environment. 1. High sea level, rocks deposited in marine environment; 2. Sea level rises, rocks deposited in deep water marine environment; 3. Sea level falls, rocks deposited in shallow marine environment; 4. Sea level continues to fall, rocks again deposited in sandy beach environment; 5. Sea level continues to fall, rocks deposited in high energy terrestrial environment.
Environments change through geologic time. When sea level rises or falls, sediments which were deposited adjacent to each other end up stacked on top of each other. The following is a stratigraphic representation of the rocks you just identified. Based on what you know about where certain rock types are deposited, and relative geologic time, place the depositional events in the correct order.
1. Low sea level, rocks deposited in high energy terrestrial environment; 2. Sea level rises, rocks deposited at sandy beaches; 3. Sea level continues to rise, rocks deposited in low energy, marine environment; 4. Sea level begins to fall; 5. Sea level continues to fall, rocks again deposited in high energy terrestrial environment. |
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1. Low sea level, rocks deposited in low energy terrestrial environment; 2. Sea level rises, rocks deposited in deep water marine environment; 3. Sea level continues to rise, rocks deposited in low energy, marine environment; 4. Sea level begins to fall; 5. Sea level continues to fall, rocks again deposited in high energy terrestrial environment. |
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1. High sea level, rocks deposited in marine environment; 2. Sea level rises, rocks deposited in deep water marine environment; 3. Sea level falls, rocks deposited in shallow marine environment; 4. Sea level continues to fall, rocks again deposited in sandy beach environment; 5. Sea level continues to fall, rocks deposited in high energy terrestrial environment. |
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