第十章地球内外动力作用及 其它问题
第十章 地球内外动力作用及 其它问题
1.外动力作用 风化作用 剥蚀 搬运 沉积
1. 外动力作用 ▪ 风化作用 ▪ 剥蚀 ▪ 搬运 ▪ 沉积
IIGURE 5.4 reefing is cause tn the expansin of cru nock as erron nies the t nerium owers Icu eu mush orally the sardar topograpy ctmm in Lase, arume wanke masses (Pao n EJ Truck) FIGURE 5.5 Half fxmr an exl duena dhome in Venite Naonal Park tMv ty I c Cime tIs enaw Suney)
FIGURE 5.3 veer Irou wedging korn ns rock fragments o a steep rk expcewie, the angular pieces fall o the hase of the cliff and produce a talus sixe (Bowo by E J. Tarbuck)