Tectonic and Structural Tectonic and Structural Landforms Landforms • Both endogenic Both endogenic • Create large-scale landforms Create large-scale landforms • Tectonic Tectonic – produced by deep Earth process produced by deep Earth process without erosion without erosion • Structural Structural – the result of exogenous forces the result of exogenous forces acting on tectonic landforms acting on tectonic landforms
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Tectonic and Structural Landforms Both endogenic Both endogenic Create large-scale landforms Create large-scale landforms Tectonic Tectonic –produced by.
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Tectonic and Structural Tectonic and Structural LandformsLandforms
• Both endogenicBoth endogenic• Create large-scale landformsCreate large-scale landforms• TectonicTectonic
– produced by deep Earth process without produced by deep Earth process without erosionerosion
• StructuralStructural– the result of exogenous forces acting on the result of exogenous forces acting on
• Compressive or tensional forces produce Compressive or tensional forces produce faultingfaulting– fault scarps, horsts, grabensfault scarps, horsts, grabens
• Faults and folds impart relief to the Faults and folds impart relief to the landscape (until erosion gets to them)landscape (until erosion gets to them)
StructureStructure
• the attitude of a bed or stratum of the attitude of a bed or stratum of beds or strata of sedimentary rocks, beds or strata of sedimentary rocks, as indicated by the dip and strike.as indicated by the dip and strike.
• the disposition of the rock the disposition of the rock formations; i.e., the broad dips, folds, formations; i.e., the broad dips, folds, faults, and unconformities at depth faults, and unconformities at depth