Osialfecanakmg is an acronym made up of the chemical symbols of the 8 most abundant elements in the Earth's crust. Because they are so important, geologists sometimes refer to the elements named below as the BIG 8.

Element Volume proportions are:

This article is issued from Wikipedia - version of the 10/16/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.