Transitional Environments 7. Take a virtual visit to a beachside environment of

Question

Transitional Environments 7. Take a virtual visit to a beachside environment of your choice, could be anywhere in the world. Describe the surface processes and the types of sediments that can be found on your beach of choice. 8. What is the source of the sediments on "your" beach? 9. In geologic time, what sedimentary rocks and structures could form from your chosen beach environment? 10. What is the difference between a delta and an estuary? Explain the difference and find a delta and an estuary in the United States.

Explanation / Answer

1 . the surface processes near a beach is the bimodal wave action to the beach area. the wave comes and goes from the beach. the sand size sediments are there near the beach .

2.the source of sediments are mainly river sediments whch came from the land area ..

3. sandstone can be formed near the beach after a geologic time. the structure may be cross beds ripple marks can form over there.

4. Delta - delta is formed at the junction of river and sea but here the sediments migretion is towards the sea and it is a triangluar shaped.

estuary - when the sea water enters into the river channnel due to trangression the estuary formed .

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