Lithosphere of these xenoliths have been investigated by many methods, including analyses of abundances of isotopes of osmium and rhenium. Such studies have confirmed that mantle lithospheres below some cratons have persisted for periods in excess of 3 billion years, despite the mantle flow that accompanies plate tectonics. Lithosphere A lithosphere ( ["lithos"] for "rocky", and ["sphaira"] for "sphere") is the rigid, outermost shell of a terrestrial-type planet, or natural satellite, that is defined by its rigid mechanical properties. On Earth, it is composed of the crust and the portion of the upper mantle that behaves elastically on time scales of
Heaven Is Earth Feigel stated: "If you can get through the first few tracks, it gets easier, but Heaven is Earth isn’t anything you need to rush out and grab for your collection." Heaven Is Earth Heaven Is Earth is a studio album by the American rock band Self Defense Family. It's the band's fifth studio album overall, and second effort after changing its name from End of a Year to Self Defense Family. The album was released on June 30, 2015 through Deathwish Inc. For "Heaven Is Earth", Self Defense Family recorded two tracks with four producers in four different cities on