There are two sample types used to construct these LCC estimates, exhumed granulite terrains and granulitefacies xenoliths brought to the surface by rapidly rising magmas [1,2,3,4,5]. Samples collected from granulite terrains are typically more felsic than granulite xenoliths [ 1, 2, 6, 7 ], and many of the terrains have been involved in ...