Volcano of classifying magmatic volcanoes is by their frequency of eruption, with those that erupt regularly called active, those that have erupted in historical times but are now quiet called dormant or inactive, and those that have not erupted in historical times called extinct. However, these popular classifications—extinct in particular—are practically meaningless to scientists. They use classifications which refer to a particular volcano's formative and eruptive processes and resulting shapes. There is no consensus among volcanologists on how to define an "active" volcano. The lifespan of a volcano can vary from months to several million years, making such a distinction sometimes
Lullabies for the Dormant Mind Lullabies for the Dormant Mind Lullabies for the Dormant Mind is the second studio album by Canadian metal band The Agonist. It was produced by Christian R. Donaldson (Cryptopsy, Mythosis). The album demonstrates a more diverse sound than the Agonist's debut album and features classical, jazz, opera, grindcore, thrash metal, and black metal influences. It features guest violins by Avi Ludmer (Mahogany Rush) and orchestrations by classical pianists Melina Soochan and Jonathan Lefrancois-Leduc (Blackguard). In 2009 the band released two videos from the album, "...And Their Eulogies Sang Me to Sleep" and "Thank You, Pain". "Lullabies for the Dormant Mind"