Crust (geology) Mars comprise secondary crust, as do the lunar maria. On Earth, we see secondary crust forming primarily at mid-ocean spreading centers, where the adiabatic rise of mantle causes partial melting. Tertiary crust is more chemically-modified than either primary or secondary. It can form in several ways: The only known example of tertiary crust is the continental crust of the Earth. It is unknown whether other terrestrial planets can be said to have tertiary crust, though the evidence so far suggests that they do not. This is likely because plate tectonics is needed to create tertiary crust, and Earth is the
What We Do in Secret What We Do in Secret What We Do In Secret is an American Christian hardcore band from Memphis, Tennessee. They have toured with bands such as War of Ages, Phinehas, Silent Planet, Sleepwave, We Came As Romans, '68, For Today and Norma Jean. They have released two EPs. What We Do In Secret was formed in Memphis in March 2012 by Josh Adams, Drew Nance, Devin Harris and Nathan Moody. They recorded their first EP, "New Eyes", and released it on August 31, 2013. Moody left the band after this and was replaced by Clay Crenshaw and Austin Barnes. The