F Fans, alluvial, [19] Fault, buried, [24] Fault, eastern border, [19], [25] Fault fissure, [66] Faulting, at Notch, [73], [75] Fault movement, [25], [26], [60] Faults, Turners Falls, [44] Fish, extinction of Triassic, [68] Fish fossils, Durham, Conn., [22] Fish fossils, Sunderland, Mass., [22], [68] Fish, living conditions, [68] Fish, Triassic, [22] Fish, Whittemore’s Ferry, [69] Flood level, 1936, [82], [96], [97] Floodplain, [3], [4], [79] Floods, [1], [3], [4], [6] Floor, Triassic basin, [30] Folds, [34], [36], [40], [42] Footprint localities, [66], [68] Footprints, dinosaur, [22], [22] P, [67], [84] Fore-set beds, [8] Forests, oldest, [40]
G Galena, [20], [30], [63], [108] Garnet, [111] Glacier, [8], [9], [21], [42], [46] Glacier recession, [9], [49] Glacier slope, [48] Glaciers, Permian age, [42] Gneiss, [28], [118] Gneiss, horizontal, [97] Gneiss, Pelham, [79] Gorge, Cold River, [92] Gorge, Deerfield River, [56], [92], [92] P Gorge, Little Westfield, [105] Gorges, buried, [10] Gorges, Pliocene age, [48] Grade of rivers, [15] Granite, [21], [28], [33], [34], [42], [54], [116] Granite, pre-Triassic, [100] Granite quarry, [88] Granodiorite, [116] Granodiorite porphyry, [116] Granodiorite, Williamsburg, [64] Graywacke, [114]
H “Horse sheds,” [76] Hot springs, [30], [42] Hudson drainage, [15] Hurricane, [12]
I Ice Age, [10], [48], [56] Icebergs, [8] Ice-cakes, [8] Ice dispersal centers, [48] Ice recession, rate, [49] Ice sheet, [5], [9], [52], [72] Ice thickness, [48] Indian campsites, [3] Indian graves, [3] Intrusive, [33] Inundation, [3] Iron ore, [34], [35]
J Joints, Mt. Sugarloaf, [56] Jurassic period, [46]
K Kame terraces, [82], [95] Kaolinite, [111] Kettle holes, [82], [83], [100] Kyanite, [111]
L Labradorite, [110] Lake Bascom, [93] Lake beds, [22] Lake deposits, Triassic, [55] Lake Hadley, [5], [49], [52], [70] Lake Hadley, glacial bed, [59], [79] Lake, ice margin, [82] Lake shore, Amherst, [79] Lake shore, old, [7] Lake shore, slope of, [7], [49] Lake Springfield, [5], [49], [103] Lake Springfield, antiquity, [70] Lake Springfield, frozen, [70] Lakes, post-glacial, [49] Lakes, Triassic, [46], [56], [68], [101] Landslide deposits, [46] Landslide, Triassic, [56] Landslides, ancient, [19], [21] Lava, amygdaloidal, [104] Lava, columnar, [32] P, [60], [60] P, [71] Lava, Deerfield flow, [101] Lava field, [72] Lava flow, [25], [26], [28], [43], [44], [48], [60] Lava, Holyoke flow, [26], [44], [81], [85] Lava, pillow type, [96] Lava, “second,” [85] Lead veins, [30], [63], [65] Limestone, [35], [40], [114] Limestone, Bernardston, [40] Limestone, Cambrian, [38] Limestone, Devonian, [34], [35] Limonite, [111] Longmeadow sandstone, [18] Lowland, excavated, [13] Lowland, Miocene age, [55] Lowland relief, [53]
M Malachite, [64] Marble, [118] Marble, Westfield, [61], [105] Maturity, [14] Meander, [3], [62] Meander scarps, [56], [57], [104] Meander scarps, Sunderland, [57] Meanders, Westfield River, [62] Microcline, [109] Microcline granite, [117] Mine, West Farms, [64] Mineral, definition, [106] Minerals, genetic classification, [107] Minerals, metamorphic, [111] Minerals, pegmatite, [109] Minerals, sedimentary, [111] Minerals, soil, [111] Minerals, vein, [63], [107] Mine shaft, [64] Miocene, [11], [14], [30], [55] Miocene lowland, [14] Monadnocks, [12] P, [55] Moraine, terminal, [8], [48] Mountain, eastern block, [19], [28] Mountain, exhumed, [48], [100] Mountain, Triassic, [21], [54] Mt. Warner rocks, [87] Muscovite, [109]
N Natural levee, [2], [3] New England landscape, [15] New England peneplain, [12] P, [15], [45], [74], [92] P New England upland, [51], [55], [90], [94] New England upland, monadnocks, [55] Notch, [25] Notch, origin, [44], [74] Notch quarry, [84]
O Olivine, [110] Ophicalcite, [118] Orchard land, [8] Ordovician, [36], [33], [39] Ox-bow, [3] Ox-bow Lake, [4] P, [82]