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Scroll down to see animation. Deposition of Sediment… Sedimentary Rock Layers. By Principle of Superposition, Oldest is on bottom… youngest on top. Tilting by tectonic activity. Tilting must be after deposition by Principle of Original Horizontality.
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Scroll down to see animation Deposition of Sediment… Sedimentary Rock Layers By Principle of Superposition, Oldest is on bottom… youngest on top
Tilting by tectonic activity Tilting must be after deposition by Principle of Original Horizontality
Faulting of layers… after deposition and tilting by Principle of Cross-Cutting Relationships Deposition of Sediment… Sedimentary Rock Intrusion of magma last by Principle of Cross-Cutting Relationships Erosion of layers creates an Unconformity