Rocks I'm guessing, and how deep would we have to dig ?
2007-08-15 03:48:15 · 5 answers · asked by Anonymous in Science & Mathematics ➔ Earth Sciences & Geology
It depends entirely on the topography and local geomorphology. In some areas, where there are rock shelves near the beach, the sand may be quite shallow; only a few metres or so.
In other areas (eg, near large river mouths) the sand may be quite deep, and may be underlain by many feet of mud and clay, brought down by the river. Under the mud and clay, there will eventually be solid bedrock; but it is not unusual for there to be hundreds of feet of sediment.
2007-08-15 04:17:58 · answer #1 · answered by AndrewG 7 · 4⤊ 0⤋
Second answer is correct. It depends on how long the shore was eroding and how much sand was deposited. Here in California, you would probably have to go a few thousand feet in most of the "beaches". IN San Diego, I have seen bedrock exposed.
2007-08-15 04:50:50 · answer #2 · answered by JimZ 7 · 2⤊ 0⤋
Try digging!! Sand is made up of eroded rocks and shells.
May God bless you.
2007-08-15 05:57:19 · answer #3 · answered by kathleen m 5 · 0⤊ 1⤋
beaches are shorelines or coastlines and those are the beginning of the continental slopes. and each beach locale has their own unique depth measurement of the slope.rock is right.
2007-08-15 06:53:19 · answer #4 · answered by ? 4 · 0⤊ 0⤋
More sand. lol.
2007-08-15 03:58:11 · answer #5 · answered by crashedata 2 · 0⤊ 1⤋