SELF-ORGANIZED BREAKUP OF GONDWANA by JIM SEARS UNIVERSITY OF MONTANA MAIN CONCLUSIONS: BREAKUP OF GONDWANA WAS SELF-ORGANIZED TO MINIMIZE WORK ARGUES AGAINST DEEP MANTLE…
Volcanic Process and Landforms Intrusive (within the lithosphere) forces dikes, sills (minor intrusions) batholiths, stocks, laccoliths (major) Extrusive (at the top of the…
Hot Spots A major hot spot in the Pacific ocean created the Hawaiian Island and Emperor Seamount island chains. Radiometric Dating shows that the Hawaiian island volcanic…