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How Are Sedimentary Rocks Formed? Rain
falls in the mountains. The rain washes tiny bits of rock into the river or
stream. The particles are then distributed by waves and currents as beaches, offshore sand bars, or deeper ocean sediments.
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This site is maintained as a public and educational service. Thank you for visiting. The author assumes no liability for any incidental, consequential or other liability from the use of this information. All risks and damages, incidental or otherwise, arising from the use or misuse of the information contained herein are entirely the responsibility of the user. Although careful precaution has been taken in the preparation of this material, the author assumes no responsibility for omissions or errors. R06192007:2200
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The river moves toward the ocean, tearing off more bits of rock as
it flows. Once the river reaches the ocean, the flow speed slows
down. This causes the fine particles of sand, silt and mud to drop out
onto the sea floor.