Geochemical features and geological significance of the leucosomes in the quartzofeldspathic gneisses of Fuping Complex,Hebei,China

As a product of crustal anatexis, leucosomes in a migmatite provide a unique opportunity to investigate the factors that affects the migration and transportation of crustal melts in the lower and middle continental crust.

The formation of leucosomes with pronounced negative Ce anomalies from metasediment partial melting: Implications for the origins of Ce anomalies in oceanic island arc lavas;

Four types of leucosomes are recognized for the North Dabie complex in Huangtuling area, of which the second type leucosome is adamellitic in the biotite gneisses, and the third type of alkali-feldspar granitic composition developes synchronously with the hypersthene-bearing corona around garnet porphyroblasts in the felsic granulite.

Comprehensive studies of the field observations, petrology, mineral spatial distribution statistics and geochemistry have been carried out, and the results show that the leucosomes of the Yunkai migmatites were derived from anatexis.

Based on the principle of refolding transecting and overprinting, and eliminating the refolding pseudomorph resulting from the effect of viscous folds, 8-generation leucosomes have been distinguished in the Fenghuangguan migmatites in Luotian, Hubei Province, central China.