River rock can be composed of any rock type, or any combination of rock types.
it is a sedimentary rock, my good chap
Bodies of water.
When cemented together, clastic sedimentary rock.
No limestone is sedimentary. It can be either an organic sedimentary rock, or a clastic sedimentary rock.
yes, graywacke is a sedimentary rock
By heat and pressure
a copper ore is ither a metamorphic, sedimentary or igneious rock
no it can also be metaphoric or igneous rock
volcanic rock , or even a type of rock in a classified section , sedimentary , metaphoric , or even igneous. the answer is volcanic rock a type of metaphoric rock. :)
A piece of granite can be changed from an igneous rock to a sedimentary rock, and then to a metamorphic rock as it gets buried deeper within the Earth's crust.
Sedimentary rock.
Siltstone is a sedimentary rock. It forms on river beds when silt compressed together.
it is a sedimentary rock, my good chap
metaphoric
River beds
No, the Grand Canyon is a river valley eroded into rock - as such it is an absence of rock. However the rocks through which the river has eroded are, in the main, of sedimentary origin.
sedimentary rock or metamorphic rock