ROCKS
作者：Dave Brown
1. Metamorphic Rocks
1.1. Foliated
1.1.1. Lines
1.2. NonFoliated
1.2.1. No lines in it
2. Sedimentary Rocks
2.1. Clastic S Rock
2.2. Chemical S Rock
2.3. Organic S Rock
2.3.1. Rocks with dead organisms packed into it
3. Igneous Rocks
3.1. Types of I Rock
3.1.1. Mafic
3.1.1.1. Dark colored
3.1.2. Felsic
3.1.2.1. Light colored