Chapter 5: Igneous Rocks Last updated Jan 15, 2021 Save as PDF 4.2: PCC Rock and Mineral Guide (optional) 5.1: Introduction Page ID12890 ( \newcommand{\kernel}{\mathrm{null}\,}\) 5.1: Introduction5.2: Igneous Rock Identification5.3: Assignment- Igneous Rock Lab5.4: PCC Rock and Mineral Guide (optional)