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Physical Geography Study Guide – Final Exam lithosphere athenosphere geomorphology tectonic/volcanic processes rock igneous magma intrusive extrusive sedimentary strata clastic – types chemical precipitation metamorphic foliation rock cycle uniformitarianism geologic time plate tectonics continental drift Pangaea sea floor spreading divergent convergent transform San Andreas Fault hot spots folding & faulting earthquake focus epicenter normal fault hanging wall foot wall thrust/reverse fault strike-slip, transform rift valleys horst graben folding anticline & syncline volcanism pyroclastics/tephra lava effusive basaltic shield volcano aa/pahoehoe flood basalt explosive eruptions composite volcano cinder cones caldera volcanic neck columnar jointing gradational processes weathering mass wasting erosion joints mechanical weathering frost wedging salt wedging pressure release exfoliation biologic weathering chemical weathering solution karst sinkhole caves/caverns stalactite/stalagmite mass wasting angle of repose falls/avalanches talus slides rotational translational creep fluvial interfluve drainage basin dendritic Q=wdv transportation dissolved load suspended load bedload meandering stream cutbank point bar braided stream stream gradient rejuvenation entrenched meander alluvium floodplain levees yazoo delta exotic stream tsunami desert rock outcroppings inselberg bornhardt flash floods dry streams/wadi dry lakes/playas alluvial fan bajada erg reg hamada desert pavement abrasion/ventifact transportation deposition dunes barchan seif star windward leeward/slipface types loess differential erosion Zion NP coastal processes waves littoral zone sea level changes tidal movements spring tides neap tides breaking waves wave generation fetch swell refraction erosional features sea arches sea stacks wave-cut platform terrace longshore current beach drift littoral drift groins jetty depositional features beach spits lagoon coral CaCO3 glaciers continental glacier icebergs alpine glacier valley glacier firn movement U shape valley drift, till moraine end, lateral medial erratics kettle, drumlin, eskers permafrost