Yes, this is true! This cultural blend is partially the legacy of the Mali Empire which was a rich, Muslim country from 11th to 14th century. During this time, Mali was a place full of merchants who contributed to the richness of cultural activities.
Mali was a French colony (as a part of French Sudan) from 1880 until 1960
Pyroclastic textures occur when explosive eruptions blast the lava into the air resulting in fragmental, typically glassy material which fall as volcanic ash, lapilli and volcanic bombs.
