Geology: The Science of the Earth's Crust

John Stuart Mill · en
PLATE                                                    FACING PAGE

   1 Granite Weathering to Soil Leaving Residual
       Cores of Joint Blocks (_Upper picture_)                 32

     Looking-Glass Rock, Utah. Stratified Sandstone
       Sculptured by Wind Erosion (_Lower picture_)            32

   2 Grand Canyon of the Yellowstone River. A
       Channel Worn by Erosion                                 33

   3 Gorge of the Niagara River Below the Falls.
       A Sample of Recent Erosion                              64

   4 Winding Stream in the St. Lawrence Valley
       with Flood Plain (_Upper picture_)                      65

     Davidson Glacier, Alaska, Showing Action on
       the Valley's Walls and Floor (_Lower picture_)          65

   5 Swift Current Valley in Glacier National
       Park, Formed by Stream and Glacier Action               96

   6 Yosemite Valley from Western Entrance. The
       Result of Glacial Action                                97

   7 An Upbend Fold or Anticline in Maryland                  128

   8 Ledge of Igneous Rock Showing Joints
       (_Upper picture_)                                      129

     Fault Fracture in Limestone Formations
       (_Lower pictures_)                                     129

   9 Molten Lava Flowing Over a Cliff in Hawaii
       (_Upper picture_)                                      160

     Dikes of Granite Cutting Old Rock
        (_Lower picture_)                                     160

  10 Lassen Peak, California, in Eruption
        (_Left picture_)                                      161

     Devil's Tower, Wyoming, Once a Mass of Molten
       Rock Forced Through Strata (_Right picture_)           161

  11 Mammoth Hot Springs Terrace in Yellowstone
       National Park (_Upper picture_)                        224

     Crater Lake, Oregon, Formed by the Subsidence
       of a Volcano (_Lower picture_)                         224

  12 Archeozoic Rock, Oldest Known Rock Formation
       on Earth (_Upper picture_)                             225

     Twisted Mass of Stratified Limestone, Surrounded
       by Granite (_Lower picture_)                           225

  13 Paleozoic Rock, Covered with Oldest Known
       Animal Remains                                         256

  14 "Stone-Lily" Stems in Ordovician Strata (_Upper
       left picture_)                                         257

     Various Brachiopods in Ordovician Strata (_Upper
       right picture_)                                        257

     Stratified Limestone of Middle Ordovician Era
       Containing Fossils (_Lower picture_)                   257

  15 A Landscape of the Coal Age (_Upper picture_)            288

     Fossil Fern on a Piece of Shale (_Lower picture_)        288

  16 Restoration of Huge Animals of the Mesozoic Era          289

  17 Skeleton of Two-Legged Carnivorous Dinosaur
       (_Large picture_)                                      320