CAS ES 142 Lecture Notes - Lecture 13: Cumulate Rock, Ria, Sediment Gravity Flow
22 Mar 2017
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Document Summary
When earth axis of rotation is point toward vega, northern hemisphere has warmer summers and cooler winters because no. Hemisphere is having summer when it closest to the sun. The greater tilt, the warmer summers and colder winters. Direct and indirect effects of glaciation: direct effects: Ice sheets: strip away sediments cover to bedrock, materials move with ice. Beaches: sediments brought down by major rivers due to deglaciation. Valleys can be board by founding of moving glaciers. Formed by ice conveyor belt piling up sediments. Consist material of till(sediments dumped by glacier/ deposits due to lose of energy) Pick up sediments and transport with ice sheet glacier. When not moving to south, sediments start to cumulate. Consist of till! (p26-28, reading material) same as terminal moraine. Black areas are end moraine, grey areas refer to out-washed plate(southern position) Indirect product of glaciation: drowned river valley: river systems.
