"The Evolution of the Igneous Rocks" is a classic book written by Norman L. Bowen, a Canadian petrologist and one of the most influential geologists of the 20th century. The book was first published in 1928 and has been a cornerstone of petrology and the study of igneous rocks.

In this book, Bowen presents his research on the crystallization of magma and the formation of igneous rocks. He introduced several important concepts and principles, including the "Bowen's Reaction Series," which describes the sequence of mineral crystallization in cooling magmas. The reaction series is divided into two branches: the continuous and discontinuous series. The continuous series describes the crystallization of plagioclase feldspars, while the discontinuous series explains the formation of mafic minerals like olivine, pyroxene, amphibole, and biotite.

"The Evolution of the Igneous Rocks" had a significant impact on the field of petrology, and it remains an essential reference for understanding the formation, composition, and classification of igneous rocks. Many of the concepts introduced by Bowen are still widely used today, and his work has had a lasting influence on the study of Earth's crust and the processes that shape it.

Heat Transport and Energetics of the Earth and Rocky Planets