Millions of years ago there was an ancient lake. This lake was fed by a creek that came from the nearby mountains.

At first, this was only a creek that carried many small particles of dirt and rock. These particles were deposited onto the bottom of the lake and formed a layer of silt.

Thousands of years later the climate changed and the creek became a river. This river carried larger rocks, and deposited them on the bottom of the lake where they formed a thick a layer of rock.

After thousands of more years, the river changed into a large creek. It now deposited only sand on top of the layer of rock. This formed another layer of sediments on the lake bed.

The climate changed again, and the rainfall increased. This allowed the creek, now a river again; it deposited rocks on the lake bed forming yet another layer on top of the original lake bed.

Once again, the climate changed and the river slowed until it was only depositing silt on the lake bed. This formed a thick layer of silt on top of the rocks.

Water levels continued to fall until the lake had dried completely. After millions of years of the lake being dry the sediments had compacted to form a sedimentary rock.

Again the rain started, but this time it eroded the rock. This continued until a canyon had been formed in the rock.

Magma seeped into cracks that were beneath the sedimentary rock. With this heat and pressure that the sedimentary rock had been subject to the rock was transformed into a metamorphic rock.

The creek continued to grow into a river and slowly eroded the metamorphic rock. These pieces of rock were washed into the ocean over thousands of years. The deposited metamorphic rock is deposited into five different layers.

Over the next few million years the oceanic crust collided with the much larger continental crust. The oceanic plate was forced beneath the continental plate; melting it. This formed a magma pocket beneath the continental plate.

After millions of more years, fishers formed that forced magma into crack in the continental crust forming fishers. Eventually, the fishers pushed themselves to the surface forming a volcano.

This collision causes a line of volcanoes to come up in a line that are active for thousands of years. Rivers that were going in the volcanoes directed were forced to change their course.

All of the volcanic activity ceases after millions of years because the plates stop moving. The rain increases and cuts into the rock forming many impressive valleys in the rock. This erosion continues over the next few thousand years.

When only a third of the volcano is left, the rivers that were diverted begin to come back on their old courses. These rivers deposited many new rocks that were very different from that of the volcano. Eventually, the rest of the volcano is washed and eroded away.

The soil and rock have now piled up to be more that five miles thick. Millions of years later the layers at the bottom have been cemented into sedimentary rocks. The oceanic crust collides with the continental crust, forcing drastic changes to take place. The layers are compacted even more and the bottom rocks are forced even lower and partially melted.

Millions of more years pass and the faults form. The pressure is pushes the rocks straight up and exposes the rock that has been buried for many years. These rocks form a metamorphic mountain range.