You learn that expose rock layers are the evidence that there was erosion and disturbances going on in that area.
Uneven rock layers.
sedimentary rock
Sedimentary rock layers are used by scientist help learn by the texture and shapes
following the continuity of the layers
it is a sloping layer of permeable rock sandwiched between two layers of impermeable rock and exposed at the surface.
Erosion, caused by wind and water.
cool
it is a sloping layer of permeable rock sandwiched between two layers of impermeable rock and exposed at the surface.
Plate shifting that causes previously unseen rock layers to be exposed by secondary succession. Primary succession is number 1.
mierda
mierda
(Intrusion) You can learn how old the rock layers are around it. the rock layers around under and all around the intrusion are always older than the intrusion itself. (EXTRUSION) the layers of rock bellow the extrusion is older than the extrusion.