Crust (geology) magma ocean and floated to the top; however, it is unlikely that Earth followed a similar pattern, as the Moon was a water-less system and Earth had water. The Martian meteorite ALH84001 might represent primary crust of Mars; however, again, this is debated. Like Earth, Venus lacks primary crust, as the entire planet has been repeatedly resurfaced and modified. Secondary crust is formed by partial melting of silicate materials in the mantle, and so is usually basaltic in composition. This is the most common type of crust in the Solar System. Most of the surfaces of Mercury, Venus, Earth, and
The Crust Brothers The Crust Brothers The Crust Brothers, a band formed by Stephen Malkmus and members of Silkworm (Michael Dahlquist, Tim Midgett, and Andy Cohen), released one album, "Marquee Mark", a live recording of their December 5, 1997, show at the Crocodile Cafe in Seattle, Washington. MTV reporter Tayloe Emery wrote an article for MTV Music News and reported that the show was a benefit for the Washington Wilderness Coalition organized by Trevor FitzGibbon to protect roadless areas. "One of the goals of the coalition is to pressure government officials to push forward laws that would serve to protect the wilderness area,