Composed mainly of feldspars and quartz, this rock is light-colored and coarse-grained.
Research in the Lachlan Fold Belt led to this rock's classification system, which was developed by Chappell and White. That system divides this rock into high-sodium I types and low-sodium S types. This rock is located in the upper left of the plutonic QAPF diagram. This rock is the intrusive equivalent of rhyolite, and some are formed by the slow cooling of magma underneath the Earth's surface. Composed mainly of feldspars and quartz, this rock is light-colored and coarse-grained. For 10 points, name this rock featured in some countertops and the state nickname of New Hampshire.
Research in the Lachlan Fold Belt led to this rock's classification system, which was developed by Chappell and White.
{granites}