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5.7A

Formation of Sedimentary Rocks and Fossil Fuels

TermDefinition
Weathering process by which exposed rock and other surfaces are broken down; may be caused by wind, water, or ice
Erosion process by which weathered material is moved by wind, water, or ice
Deposition process by which weathered and eroded material is deposited by wind, water, or ice
Compaction process by which overlying pressure from rocks and soil reduces the size or volume of sediments
Cementation process of binding and hardening sediments into hard rock
Fossil preserved parts or traces of animals and plants that lived in the past
Sediment small pieces of rock
Sedimentary Rock rock made of layers of compressed organic and inorganic sediments
Decay to rot and break down into small parts
Imprint a mark or depression made by pressure
Coal is formed when steamy swamps, full of dying plants, were covered over with other materials. Layer after layer of plant remains sank to the bottom of the swamp, forming peat. Heat and pressure squeezed water from the peat that later turned into coal.
Oil and Natural Gas is formed from an abundance of microscopic plant or bacterial organisms that sank to the bottom of the sea and accumulated in mud leaving a layer of mud rich in organic matter. The matter that was less dense than water in the source rock migrated upwards
Created by: ediehagler
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