Contents 1
.The Earth (1) 1
.The Outer Part of the Earth's Crust (8) 2
.The work of Running Water (14) 3
.Weathering and Soils (20) 4
.Minerals (27) 5
.Common Minerals(1) (35) 6
.Common Minerals(2) (42) 7
.Three Great Classes of Rocks (49) 8
.Igneous Rocks and Metamorphic Rocks (54) 9
.Sedimentary Rocks(1) (60) 10
.Sedimentary Rocks(2) (65) 11
.Mountains (71) 12
.Volcanic Eruptions (77) 13
.Earthquakes (85) 14
.Glaciers (92) 15
.Folds and Faults (99) 16
.Erosion (106) 17
.Movements of the Earth's Crust (113) 18
.Geology and the Search for Petroleum (121) 19
.Coals (126) 20
.Ore Deposits(1) (134) 21
.Ore Deposits(2) (138) 22
.Ore Deposits(3) (144) 23
.Underground Water (153) 24
.The Hydrologic Cycle (159) 25
.Ocean Resources (167) 26
.Ocean-Floor Sediments (174) 27
.The Present is the Key to the Past (181) 28
.Fossils (186) 29
.The ∈ Type (194) 30
.The Geologic Time Scale(200) 31