Soil The product of weathering of rocks

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Presentation transcript:

Soil The product of weathering of rocks Soil is made from rocks, minerals (mainly sand and clay), and organic material. Soil forms layers of different characteristics called horizons. 1

Horizons A - Top Soil = small sediments and organic material B - Sub Soil = lighter in color, no organic material C - Partly-weathered Bedrock = larger rocks

Soil Formation Residual soil = located above the rock that it is formed from (parent rock). Transported soil = has been moved from another location. Most soil on Earth's surface is transported. Climate and parent bedrock most important for type of soil.