What is slate? - Definition, Uses, Geology

Slate is a metamorphic rock of sedimentary origin, of Ordovician age (550 million years) and its main components are quartz, sericite and minerals from the chlorite group. Resource center What is slate? Is believed that the word “slate” comes from the Old French word scalar meaning fragment, from the verb slater, to shatter. Slate is […]

Geology - rocks and minerals

Rocks and minerals - British Geological Survey

Phyllite, Metamorphic, Foliated, Schist

Slate, Definition, Composition & Uses

Slate, Metamorphic Rock, Sedimentary Origin, Uses in Construction

Frontiers Geological characteristics and genesis of the Late Carboniferous extremely thick slate in the Shuangjianzishan Ag-Pb-Zn district, southern Great Xing'an Range, NE China: constraints on metallogenesis and tectonic setting

The geology of building stone, 2018-09-21

Slate, Metamorphic Rock, Sedimentary Origin, Uses in Construction

Slate Rock, History

Slate: Most Up-to-Date Encyclopedia, News & Reviews

PDF) Slate Rock Mines: from formation to Extraction

Volcanic Tuff - Geology Superstore

slate and shale - Students, Britannica Kids

A Geologist Tongue Twister