ETYM Greek, divided, divisible, from schizein to divide: cf. French schiste. Related to Schism.
Any metamorphic rock that can be split into thin layers.
Foliated metamorphic crystalline rock.
Metamorphic rock containing mica or another platy or elongate mineral, whose crystals are aligned to give a foliation (planar texture) known as schistosity. Schist may contain additional minerals such as garnet. + prikaži više

ETYM as. scealy, scalu. Related to Scalme, Shell.
A sedimentary rock formed by the deposition of successive layers of clay.
Laminated rock of consolidated clay or mud.
Fine-grained and finely layered sedimentary rock composed of silt and clay. It is a weak rock, splitting easily along bedding planes to form thin, even slabs (by contrast, mudstone splits into irregular flakes). Oil shale contains kerogen, a solid bituminous material that yields petroleum when heated. + prikaži više