Crust (geology) centers, where partial-melting of the underlying mantle yields basaltic magmas and new ocean crust forms. This "ridge push" is one of the driving forces of plate tectonics, and it is constantly creating new ocean crust. That means that old crust must be destroyed somewhere, so, opposite a spreading center, there is usually a subduction zone: a trench where an ocean plate is being shoved back into the mantle. This constant process of creating new ocean crust and destroying old ocean crust means that the oldest ocean crust on Earth today is only about 200 million years old. In contrast, the
Between the Earth and the Stars "All I Wanted Was You". Jeffrey B. Remz of "Country Standard Time" described the album as "pleasant enough sounding" and "usually maintain[ing] country sensibilities" although Remz said that it "produce[d] no surprises". Allmusic critic Jack Leaver, who gave the album two-and-a-half stars out of five, called it "a mostly mellow set[…]that should appeal to the fans of the Dave Loggins-meets-John Berry school of country pop." The San Antonio "Express-News" called it an "impressive debut". As listed in liner notes. Between the Earth and the Stars Between the Earth and the Stars is the debut album of American country music singer