Lava solidifies to rock. New Zealand has 3 main types of volcanoes, and each has been formed from a different type of magma. Once the lava has erupted, it cools and solidifies into rock: 1  Basalt magma often forms shield volcanoes. 2  Andesite magma often forms cone volcanoes.asalt is associated with great rock columns that are found in many places around the Earth, for example, the Organ Pipes in Dunedin or the Giantâs Causeway in Ireland. Basalt magma is formed at high temperatures (around 1,200ÂºC). When it comes out of the volcano, it is hot and liquid.
Continental/Continental: The Himalayas. The Himalayan mountain range and Tibetan plateau have formed as a result of the collision between the Indian Plate and Eurasian Plate which began 50 million years ago and continues today.ontinental/Continental: The Himalayas. The Himalayan mountain range and Tibetan plateau have formed as a result of the collision between the Indian Plate and Eurasian Plate which began 50 million years ago and continues today.
The uplifted part forms a mountain, and the lowered parts are filled in with eroded material. An example of this is the Sierra Nevada mountain range in California. Another way that mountains are formed is when magma from beneath the Earthâs surface is pushed up, but doesnât actually crack through.This bulge of magma eventually cools and hardens into hard rock, like granite. The layers of softer rock above the magma erode away and youâre left with a large dome-shaped mountain.he mountain ranges are created because of those crumpling plates. The Indian subcontinent âcrashedâ into Asia 25 million years ago and created the Himalayan mountain range. In fact, the Himalayans are still growing! The next way that mountains are formed is along fault lines.