Igneous rocks are formed from the cooling of molten ... the weight of the layers on top compacts the layers below. 5 Cementation In the final process of sedimentary rock formation, some of the ...

The Journal of Geology, Vol. 23, No. 8, Supplement: The Later Stages of the Evolution of the Igneous Rocks (Nov. - Dec., 1915), pp. 1-91 (91 pages) ...