sedimentary rocks
It is called a delta
sedimentary rocks
Wet rocks.
dark, rich and soft
A river delta is formed from the deposition of sediments carried by a river as the river enters an ocean, sea, lake, or another river. This is because the flow velocity decreases significantly and the fluid loses the ability to transport sediment.
wet ones
A Delta about 160 kms wide including about 500 channels.
sedimentary
sedimentary
metamorphic
limestone
yes they can it takes 100's of years usally river rocks do that because a surface of water is sliding against it andit forms shapes