Rocks (Geology: Landforms, Minerals, and Rocks) pdf

约翰.拉弗蒂撰写有关地球作业和环境的文章。 他目前担任地球与生命科学编辑，涵盖气候学、地质学、动物学和其他与自然世界相关的主题。 在 2006 年加入大英百科全书之前，他曾在路易斯大学、罗斯福大学和伊利诺伊大学厄巴纳-香槟分校任教。

Rocks (Geology: Landforms, Minerals, and Rocks) pdf 约翰.拉弗蒂

Often concealing millennia worth of Earths history, rocks seem to project an impression of durability and permanence that belies their transformation over time. Seen in all shapes and sizes and found in many of the planets ecosystems, rocks have been subject to various natural forces that have affected such attributes as their elasticity, strength, and ductility (that is, their ability to be fashioned into a new form). The general properties as well as the three major categories of rockigneous, sedimentary, and metamorphicare all examined in depth in this penetrating volume.