Assertion: ridge | /r/CapableOf | jump prevent some of the plume magma
Facets:
value: from reaching the rr
type: TRANSITIVE-OBJECT
Source sentences:
text: (1997) hypothesis argues that the RR is normally very elevated, with the V-shaped ridges actually being defined by the valleys between them which result from magmatic deficiency during times that ridge jumps prevent some of the plume magma from reaching the RR.