A companion volume to the Atlas of Rock-Forming Minerals in Thin Section, this handbook is divided into 2 parts. Part 1 contains photographs of many of the common textures found in igneous rocks with brief descriptions accompanying each photograph. Part 2 illustrates the appearance of examples of some sixty of the commonest igneous rock types.
PART ONE: THE TEXTURES OF IGENOUS ROCKS: Crystallinity. Granularity. Crystal shapes. Mutual relations of crystals (and amorphous materials). PART TWO: VARIETIES OF IGNEOUS ROCKS: Ultrabasic rocks. Basic rocks. Intermediate rocks. Acid rocks. Alkaline and miscellaneous rocks.