They are in solution.
sediments are transported by ocean rift, streams, river currents, wind (air). they are deposited according to size. The largest sediments are deposited first. The sediments settle into the sand and are carried by the stream. Near the mouth of the stream where the water moves slowly the small sediments settle out. The larger sediments get carried by the river into the sea then the samller sediments. The sea water dissolved minerals and soak the sediments and cement together. This eventually forms sediments.
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Because oceans exist at the lowest points on the planet.
Since human appeared, the amount of sediments carried by rivers has increased dramatically
Common sedimentary rocks include sandstone, limestone, and shale. These rocks often start as sediments carried in rivers and deposited in lakes and oceans. When buried, the sediments lose water and become cemented to form rock.
Sediments are carried as the following loads: dissolved, suspended, and bed. A dissolved load is composed of ions in solution. These ions are usually carried in the water all the way to the ocean. ... Particles that are too large to be carried as suspended loads are bumped and pushed along the stream bed, called bed load.
Sediment is dirt, rocks, and sand carried by a river.
When sediments deposit in lakes or oceans, they typically settle in layers on the bottom of the body of water. Over time, these layers can build up and form sedimentary rock.
Sea rocks are typically sedimentary rocks that form from the accumulation and cementation of sediments carried by water in oceans or seas. These rocks can include sandstone, shale, limestone, and conglomerate, depending on the composition of the sediments and the conditions under which they were deposited.
Sediments carried by gravity are typically coarse-grained and unsorted. These sediments include boulders, cobbles, pebbles, and sand that are transported downhill by mass wasting processes such as landslides, rockfalls, and debris flows.
dissolved solids were carried from land into oceans