some of them do. It depends on what the rocks are made of – and that’s related to how they were formed. There are three main rock types: igneous, sedimentary and metamorphic. These rocks are ...

on Earth do not always stay the same ... Rock particles can be transported by rivers and form sedimentary rocks. 1 Sediment transport Sediment transport is the first all of the processes by ...

For example, marble is created when limestone is pressure-cooked within the earth, causing the minerals that compose the stone to re-form into new crystals. Sedimentary rock is formed by the ...