e/Blake River Megacaldera Complex

Information
has gloss	eng: The Blake River Megacaldera Complex is a giant caldera cluster that spans across the Ontario-Quebec border in Canada. It is considered to be a supervolcano because of its great size (3,000 km2) and its numerous dikes and vents. The cluster is about 2700 million year old.
has gloss	eng: The Blake River Megacaldera Complex, also called the Blake River Group, is a giant subaqueous caldera cluster or a nested caldera system that spans across the Ontario-Quebec border in Canada.
lexicalization	eng: Blake River Megacaldera Complex
instance of	(noun) a fissure in the earth's crust (or in the surface of some other planet) through which molten lava and gases erupt vent, volcano

Media
media:img	Blake River Megacaldera Complex map.jpg