Description

An essential trailside reference with full-color photographs, Rocks, Minerals & Geology of the Pacific Northwest highlights 100 rocks, minerals and fossil types found in Oregon and Washington.

Ключевые факты

• Profiles more than 100 minerals and rocks in detailed entries with photos, descriptions, identification graphics and mini indexes
• Each entry has color photography, showing a range of possibilities in appearance, as well as a description of the defining physical properties and textures
• Covers the geologic composition and 13 physiographic regions of Washington and Oregon
• Includes 40 landscape features viewable along trails in Washington and Oregon, empowering hikers to make observations and interpretations about how these features came to be
• More than 400 photographs, illustrations, tables and maps showcase and explain everything from minuscule crystals to planetary tectonics
• Includes lists of minerals organized by physical properties like habit, hardness and cleavage