GEOL 104 Study Guide - Midterm Guide: Igneous Differentiation, Peridotite, Andesite

• School: Queen's University
• Department: Geological Sciences and Geological Engineering
• Course: GEOL 104
• Professor: Daniel Layton- Matthews

Document Summary

Distributing prohibited | downloaded by scarlet choi (choia980806@gmail. com) lomoar cpsd| 1578061. Bowen(cid:1685)s reaction series- the minerals start off as an isolated tetrahedron. Magmatic differentiation, the thermal contrast between cool rock and hot magma causes the magma to cool down and crystalize. The more the magma crystalizes into different minerals, the more it effects the rocks above coming out => magmatic differentiation. Changing a magma(cid:1685)s composition by the incorporation of foreign matter (surrounding rock bodies) into a magma. If the magma is hot enough it breaks off the rock around it and (cid:1684)digests(cid:1685) it which is how the magma then changes its composition. Hot magma mixes with cold magma that then also changes the composition magma mixing. Partial melting and magma formation incomplete melting of rocks is known as partial melting diverging plates melt the mantle, but only 10% of it melts, partial melting also changes composition. Distributing prohibited | downloaded by scarlet choi (choia980806@gmail. com)