e/West Antarctic Rift

Information
has gloss	eng: The West Antarctic Rift is a major, active rift valley lying between East and West Antarctica. It encompasses the Ross Sea, the area under the Ross Ice Shelf and a part of West Antarctica. Its evolution is due to lithospheric thinning of the non-cratonic area of West Antarctica.
lexicalization	eng: West Antarctic Rift
instance of	e/Rift