Sedimentary microstructures
Maturity
Fragment shape
Roundness
Composition
Matrix and cement
Diagenetic features
Sorting
Metamorphic microstructure
Foliations and crenulations
Lineations
Ductile shear microstructures
Igneous microstructure
General principles of igneous microstructure
Grain texture
Crystal shapes
Porphyritic structure
Phenocryst shape: implications
Spherulites
Graphic and other intergrowth textures