Assertion: seamount | /r/MadeOf | volcanic activity
Facets:
value: over the hot spot
type: LOCATION
Source sentences:
text: Seamounts are formed by volcanic activity and can be taller than 10,000 feet .
text: A seamount will be formed through volcanic activity over the hot spot, then the plate will move and displace the seamount before the hot spot produces the next seamount, and so on.
text: If most seamounts are formed by volcanic activity why are volcanoes found on land not so rich in rare earth minerals and especially tellurium?
text: Seamounts are underwater mountains, formed by volcanic activity, that rise from the ocean floor but do not reach the surface.