Geology of the San Francisco Bay Region, by Doris Sloan University of California Press/California Natural History Guides, 2005
Geology of the San Francisco Bay Region, by Doris Sloan University of California Press/California Natural History Guides, 2005 Abbotts Lagoon, 92 basement rocks, 49, 55–70 accretion, 31 See also Franciscan Complex; Great Valley accretionary wedges, 30 (figure), 31 Complex; Salinian Complex; specific regions actinolite, 269 and types of rock Alameda Creek, 218, 224, 225 basins Albany Hill, 231 fore-arc basins, 30 (figure), 64 Alcatraz Island, 125, 151–152, 152 (plate), 153 (plate) formed by transpression, 42–43, 42 (figure) Alcatraz Terrane, 65 (table), 104, 124 (map), 125–126, 152, landslide basins, Mount Tamalpais, 107 153 (plate), 233 sag ponds, 36 (figure), 37, 84, 167, 194, 262 (plate), Alexander Valley, 273 263 alluvial deposits See also lakes; San Francisco Bay; specific lakes and East Bay, 218, 219, 225, 231, 248 valleys North Bay, 255, 264, 283 Bay Block. See San Francisco Bay Block San Francisco Bay floor, 142, 143, 143 (figure) beach pebbles, 57, 58 (plate), 102, 271 San Francisco Bay shore, 146–147, 218, 225, 255 beach sands, 19–23, 20 (plate), 21 (figure) South Bay, 192, 205–206, 206–207 Bodega Head, 22 (plate), 266 See also geologic maps Marin Headlands, 102 Almaden Quicksilver County Park, 66, 200, 211–215 San Francisco, 22 (plate), 122–123 Almaden Reservoir, 201, 203 Bean Hollow State Beach, 60 (plate), 170 Alpine Lake, 96, 107 Bear Creek, 273 Altamont Hills, 233, 234, 234 (plate), 238–239 Berkeley, 37, 38 (plate), 230, 249 (plate) Alum Rock, 210, 211 (plate) Berkeley Hills, 219 (plate), 251 Alum Rock Block, 196–197 (map),
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