Glossary: Shale
A fine-grained, finely laminated, sedimentary rock, formed by the compaction of clay, silt, or mud. Its laminated structure makes it fissile, or easily split along close-spaced planes, especially on weathered surfaces.
A fine-grained, finely laminated, sedimentary rock, formed by the compaction of clay, silt, or mud. Its laminated structure makes it fissile, or easily split along close-spaced planes, especially on weathered surfaces.