Assertion: magma | /r/AtLocation | the mantle
Facets:
value: at a depth of 100 kilometres
type: LOCATION
Source sentences:
text: (Magmas originate in the mantle.
text: The magma originates on the mantle, at a depth of 100 kilometres, at a particular temperature and pressure conditions.
text: The magma involved in the 1815 eruption originated in the mantle and was further modified by melts derived from subducted sediments, fluids derived from the subducted crust and crystallization processes in magma chambers.