A layered intrusion is a large sill-like body of igneous rock which exhibits horizontal layering or differences in composition and texture. These intrusions can be many kilometres in area covering from around 100 km2 (39 sq mi) to over 50,000 km2 (19,000 sq mi) and several hundred metres to over one kilometre (3,300 ft) in thickness.
A layered intrusion is a large sill-like body of igneous rock which exhibits horizontal layering or differences in composition and texture. These intrusions can be many kilometres in area covering from around 100 km2 (39 sq mi) to over 50,000 km2 (19,000 sq mi) and several hundred metres to over one kilometre (3,300 ft) in thickness.
Source: Wikipedia "Layered intrusion" · CC BY-SA 4.0
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