HGS by Thomas McClellan

1 of 7

Slide Notes

HGS

Published on Nov 19, 2015

No Description

PRESENTATION OUTLINE

HARRY HESS

1906--1969

Harry was a geology professor at Princeton University.

Photo by Srevatsan

When he was in the navy he discovered he could map the ocean floor using sonar technology.

Photo by John-Morgan

In 1962 he published a book with a theory of how the continents could
actually drift.

Photo by mandoft

Hess stated that the oceans grew from their centers by having basalt ooze out and cover the old ocean floor.

Photo by Ondablv

He said that the ocean trenches were where the old floor was destroyed and recycled.

Photo by NeilsPhotography

BROUGHT TO YOU BY:

THOMAS MCCLELLAN

Photo by Billy Wilson Photography

Thomas McClellan