This is the fourth and last volume of Johannsen's great work on descriptive petrography.

This content is PDF only. Please click on the PDF icon to access.

First Page Preview

First page of A Descriptive Petrography of the Igneous Rocks, Volume IV—The Feldspathoid Rocks and the Peridotites and Perknites.
You do not have access to this content, please speak to your institutional administrator if you feel you should have access.