(Redirected from List of longest bridges in the world) This is a list of the world's longest bridges more than three kilometres long sorted by their full length above land or water. Span refers to the longest spans without any ground support. Note: There is no standard way to measure the total length of a bridge.
But the smaller crystals mean that the rest of the cooling happened very quickly. If a rock has both crystal types, it means that the mamga spent some time in a magma chamber, where the large crystals grew, then was violently erupted onto the surface, where the small crystals were formed.
As stated previously igneous rocks form from the crystallization of magma. This occurs as magma cools and the intermolecular bonds that were broken during melting are now able to reform. Just as with melting, individual minerals have specific temperatures at which they will crystallize.