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Because Oregon sits on the leading edge of a moving crustal plate, a striking diversity of geologic events have molded its topography. After a century of study, a deeper understanding of the region's tectonic overprint has emerged. In this revised and updated edition of Oregon Geology, Elizabeth and William Orr incorporate recent research, addressing current environmental problems and detailing tectonic hazards. "Caught between converging crustal plates, the Pacific Northwest faces a future of massive earthquakes and tsunamis," they write.
A comprehensive treatment of the state's geologic history, Oregon Geology closely examines the unique geologic features of each of Oregon's regions, from the Blue Mountains to the Willamette Valle, from the High Lava Plains to the Coast Range.
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