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- https://geo.libretexts.org/Sandboxes/ajones124_at_sierracollege.edu/Geology_of_California_(DRAFT)/04%3A_Geologic_Structures_and_Seismology/4.03%3A_Jointing_and_FaultingThis page examines brittle deformation in rocks, emphasizing jointing and faulting processes. Joints are fractures formed under tension or cooling, while faults involve the relative movement of rock b...This page examines brittle deformation in rocks, emphasizing jointing and faulting processes. Joints are fractures formed under tension or cooling, while faults involve the relative movement of rock bodies, leading to earthquakes. Various fault types are described, including dip-slip (normal and reverse) and strike-slip, each linked to specific stress conditions. Strike-slip faults are characterized by lateral movements, with left-lateral and right-lateral distinctions.
- https://geo.libretexts.org/Sandboxes/ajones124_at_sierracollege.edu/Geology_of_California_(DRAFT)/11%3A_Coast_Ranges/11.07%3A_Representative_Coast_Range_RocksThis page discusses various geological rock types found in California, including Serpentinite, Eclogite, Blueschist, radiolarian chert, and Greywacke sandstone. Serpentinite, the state rock, originate...This page discusses various geological rock types found in California, including Serpentinite, Eclogite, Blueschist, radiolarian chert, and Greywacke sandstone. Serpentinite, the state rock, originates from metamorphosed mafic rocks, while Eclogite forms under extreme conditions. Blueschist arises in subduction zones from basaltic protoliths, and radiolarian chert is composed of marine plankton silica. Greywacke, the predominant rock in the Franciscan Complex, results from underwater landslides.
- https://geo.libretexts.org/Sandboxes/ajones124_at_sierracollege.edu/Geology_of_California_(DRAFT)/01%3A_Introduction_to_the_Geology_of_California/1.01%3A_How_to_Read_California's_Geologic_MapCalifornia is made up of a wide variety of rock types and geological units (unique, mappable packages of rocks). This section describes the spatial distribution of those rocks with the aid of geologic...California is made up of a wide variety of rock types and geological units (unique, mappable packages of rocks). This section describes the spatial distribution of those rocks with the aid of geologic maps, a product of geological work and a primary tool in a geologist's toolkit.
- https://geo.libretexts.org/Sandboxes/ajones124_at_sierracollege.edu/Geology_of_California_(DRAFT)/03%3A_Plate_TectonicsThe page introduces the theory of plate tectonics, explaining how it accounts for the Earth's geological features and changes over time. It highlights the difficulties in the theory's acceptance due t...The page introduces the theory of plate tectonics, explaining how it accounts for the Earth's geological features and changes over time. It highlights the difficulties in the theory's acceptance due to lack of a driving mechanism for continental movement and geographic biases among early 20th-century geologists. The text also outlines learning objectives related to understanding different plate boundaries, the driving forces behind plate movements, and California's plate boundaries.
