Geology QAP Diagram- Plutonic Rock ID T-Shirt
- from our Affiliates
What kind of rock is that? Figure it out yourself, based on its mineral composition! QAP diagrams are used to classify igneous rocks (plutonic, in this case) based on the modal percentage of Quartz, Alkali Feldspar, and Plagioclase! Fun times. This science diagram shirt features a basic, colorful figure of a plutonic QAP diagram, for your reference.