Gold and other elements are sometimes found in
veins in igneous rocks. What best explains how
the veins form?
A They contain high levels of feldspat, which
bonds with the leftover elements in magma.
B They contain high levels of pegmatite, which
does not mix with the magma.
C They contain no water.
D They contain high levels of silica and water.
which crystallize late in magma formation.
