Geology of San Francisco and Vicinity: San Francisco Bay Region, California: July 1-7, 1989

GEOGRAPHIC SETTING......Page 9
Regional Geology......Page 10
Geologic History......Page 12
Introduction......Page 15
Tectonostratigraphic Terranes......Page 16
Sandstone and Conglomerate......Page 18
Basalt......Page 19
Serpentinites......Page 20
Metamorphism and Metamorphics of the Franciscan Complex......Page 21
COAST RANGE OPHIOLITE......Page 24
GREAT VALLEY SEQU......Page 25
Salinian Basement......Page 29
Sedimentary Cover......Page 30
Travels of the Salinian Block......Page 31
PALEOGENE OF CENTRAL CALIFORNIA......Page 34
Origin of the Modern SAF......Page 36
The Proto-SAF......Page 37
Companion Faults. The Humboldt Plate......Page 38
Other, Varied Tectonics of the Late Transform Period......Page 41
NEOGENE BASINS AND SEDIMENTS OF THE CENTRAL COAST RANGES......Page 42
COAST RANGE UPLIFTS AND STRUCTURAL VALLEYS......Page 46
THE MERCED BASIN ON THE SAN FRANCISCO PENINSULA......Page 49
LATE CENOZOIC VOLCANIC ROCKS OF THE CENTRAL COAST RANGES......Page 51
Sonoma Volcanics......Page 52
Clear Lake Volcanics......Page 53
Land Subsidence......Page 54
Seismic Hazards......Page 55
SLOPE MORPHOLOGY AND EROSION PROCESSES......Page 58
GEOCHEMISTRY OF IGNEOUS ROCKS FROM MARIN HEADLANDS......Page 60
BAKER BEACH AMPHIBOLITE......Page 62
HIGH-GRADE BLUESCHISTS AND ECLOGITES IN FRANCISCAN SERPENTINITE MELANGE AT RING MOUNTAIN, TIBURON......Page 64
RING MOUNTAIN AMPHIBOLITES......Page 65
SAN FRANCISCO BAY......Page 66
BERKELEY HILLS......Page 68
STOP 1: TYPE LOCALITY OF THE CLAREMONT SHALE......Page 70
STOP 4: EXPOSURE OF RHYOLITE TUFF OF THE MORAGA FORMATION ON GRIZZLY PEAK BLVD......Page 71
STOPS 6 AND 7: THE HAYWARD FAULT......Page 73
TRIP LOG DAY 5 July 5, 1989: MONTICELLO DAM-NAPA VALLEY......Page 76
STOP 2 1.2 mi. W of Stop 1......Page 77
STOP 5: PETRIFIED FOREST......Page 78
TRIP LOG DAY 6 July 6, 1989- SAN ANDREAS FAULT AND POINT REYES PENINSULA......Page 79
STOP 2: SAN ANDREAS FAULT AT THE VEDANTA RETREAT......Page 80
STOP 5 KEHOE BEACH......Page 82
TRIP LOG: DAY 7 July 7, 1989 - COAST SOUTH OF SAN FRANCISCO......Page 85
ACKNOWLEDGMENTS......Page 87
REFERENCES......Page 88