What ways can igneous rock form two ways?
Igneous rocks – got to that stage of your geography or chemistry class already? Well here is a little information for you on the ways in which igneous rocks can form. Igneous rocks are created when melted material crystallizes, e.g. from magma. There are two formation methods, the first is that they form on the surface and these are called extrusive igneous rocks, or they can form inside the crust, and these ones are called intrusive igneous rocks. When does an atoll start to form? This begins to form when tiny marine animals – coral polyps – attach themselves to rocks on the seabed. Where are Mountains of the Moon? These are a mountain range, along Zaire and Uganda in East Africa. Where would you expect to find the oldest basalt on the floor of the Atlantic Ocean? The oldest sea floor in the Atlantic that is made of basalt is to be found closest to the continents, the further into the ocean away from land that you go, the newer the sea floor. This is because new sea floor is still bei
