Author Question: If an igneous rock is heated, which mineral melts first according to Bowen's reaction series? A) ... (Read 90 times)

lbcchick · **on:** Jul 16, 2018

If an igneous rock is heated, which mineral melts first according to Bowen's reaction series?

A) Quartz
B) Pyroxene
C) Potassium feldspar
D) Olivine

Question 2

Which of the following statements best describes the formation of secondary magmas?

A) Decompression melting creates a mafic magma from mantle material.
B) Iron-rich minerals will form in a cooling magma and leave the remaining melt with a more silicic composition.
C) Partial melting of felsic rocks creates a silica-rich magma.
D) Water dehydrating from a subducted plate will melt mantle material.