Convection Plumes in the Lower Mantle
http://www.mantleplumes.org/Morgan1971.html

Morgan W., Princeton University


This is the classic 1971 Nature paper in which W.J. Morgan proposed deep mantle plumes for the origin of hotspots.

This resource is referenced here:
Subject: Geoscience:Geology:Geophysics, Structural Geology
Topics: Chemistry/Physics/Mathematics, Solid Earth:Structural Geology