How come large and igneous rocks usually get collected near rivers and not different types or sizes of rocks?

Igneous rocks can have many different compositions, depending on the magma they cool from. They can also look different based on their cooling conditions. For example, two rocks from identical magma can become either rhyolite or granite, depending on whether they cool quickly or slowly.

tension is the type of stress that results when two tectonic plates diverge .

explanation: