Journey to the Center of the Earth (2008 direct-to-video film) Earth's crust and into the very mantle of the Earth. This is where the operators encounter hidden dangers awaiting them at the Earth's core. The team has to deal with prehistoric creatures in order to both save the research team and to return safely to the surface of the Earth. Journey to the Center of the Earth (2008 direct-to-video film) Journey to the Center of the Earth (released in the UK as Journey to Middle Earth) is a 2008 direct-to-DVD film created by The Asylum and directed by David Jones and Scott Wheeler. The film is a loose adaptation of
Continental crust this reason the oldest rocks on Earth are within the cratons or cores of the continents, rather than in repeatedly recycled oceanic crust; the oldest intact crustal fragment is the Acasta Gneiss at 4.01 Ga, whereas the oldest oceanic crust (located on the Pacific Plate offshore of Kamchatka) is from the Jurassic (~180 Ma). Continental crust and the rock layers that lie on and within it are thus the best archive of Earth's history. The height of mountain ranges is usually related to the thickness of crust. This results from the isostasy associated with orogeny (mountain formation). The crust is