Basics--Plate Boundaries Table

Boundary Type	Regional Stress	Main Fault Type	Rock Types	Landforms
divergent	tension	normal	pillow basalt gabbro serpentinite	mid-ocean spreading ridges rift valleys
transform	shear	strike-slip	pre-existing rocks sheared & fractured in fault zones	major strike-slip fault zones transverse mountains(folded & faulted, no volcanoes)
convergent	compression	thrust	andesite dacite rhyolite diorite granodiorite granite	oceanic trenches volcanic arcs accretionary complexes forearc basins

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Geology 101 - Introduction to Physical Geology
Basics Table--Tectonic Plate Boundaries
Created by Ralph L. Dawes, Ph.D. and Cheryl D. Dawes, including figures unless otherwise noted
updated: 7/10/11

Unless otherwise specified, this work by Washington State Colleges is licensed under a Creative Commons Attribution 3.0 United States License.