Speed of tectonic plates

Range 5 - 10 cm/year
Organism Biosphere
Reference Glenn Elert, editor, written by his students, Speed of the Continental Plates link 4th row from top
Primary Source 1995,1996 Rosanna L. Hamilton. All rights reserved. Earth's Interior & Plate Tectonics, link bottom paragraph
Comments Primary source: "Earth's lithosphere is divided into eight large plates with about two dozen smaller ones that are drifting above the mantle at the rate of 5 to 10 cm/yr."
Entered by Uri M
ID 110286