New insights into multiple provenances evolution of the Jurassic from heavy minerals characteristics in southern Junggar Basin, NW China
Tianqi ZHOU,Chaodong WU,Bo YUAN,Zhongkui SHI,Jialin WANG,Wen ZHU,Yanxi ZHOU,Xi JIANG,Jinyong ZHAO,Jun WANG,Jian MA
Table 2 Distribution of heavy mineral assemblages in different sedimentary areas of the southern Junggar Basin.
Formation Current location Sample number Average content of main heavy minerals/% Main heavy mineral assemblages Inferred parent
rock type
Leuco-
xene		 Zircon Tour-
maline		 Garnet Epidote Ilme-
nite		 Mag-
netite		 Apatite
Qigu+Toutunhe North margin of
Sikeshu sag		 242 0.91 4.84 0.20 2.42 0 89.10 1.82 0 Ilmenite+
zircon+garnet		 Basic magmatic rock+
medium-low rank
metamorphic rock
Qigu fault belt 447 3.10 2.75 0 3.92 70.94 1.88 15.00 0.05 Epidote+
magnetite+
leucoxene+
zircon+garnet		 Medium-low rank
metamorphic rock+
intermediate acidic-
acidic magmatic rock
Fukang fault belt 513 15.31 3.06 0 0.68 69.82 9.09 0 0 Leucoxene+
epidote+
ilmenite		 Medium-low rank
metamorphic rock+intermediate acidic-acidic-
basic magmatic rock
South margin of
Sikeshu sag		 146 15.82 4.00 0 2.04 40.82 36.33 0 0
Xishanyao North margin of
Sikeshu sag		 17 1.22 4.41 0.30 2.59 0 91.03 0 0 Ilmenite+
zircon+
a little garnet		 Basic magmatic rock+
medium-low rank metamorphic rock
Qigu fault belt 41 40.63 26.20 0 9.94 0 0 10.56 8.63 Leucoxene+
magnetite+
zircon+
garnet+apatite		 Medium-low rank metamorphic rock+
intermediate-acidic magmatic rock
Fukang fault belt 64 20.20 20.76 2.94 18.51 0 35.51 0 0 Zircon+
garnet+
leucoxene+
ilmenite		 Medium-low rank metamorphic rock+
intermediate acidic- acidic-basic magmatic rock
South margin of
Sikeshu sag		 37 30.09 23.48 1.47 9.72 0 27.85 0 4.31
Sangonghe+Badaowan North margin of
Sikeshu sag		 63 2.63 31.37 0.08 16.63 10.96 36.37 1.02 0 Ilmenite+
zircon+garnet+
epidote		 Basic magmatic rock+
medium-low rank metamorphic rock
South margin of
Sikeshu sag		 207 34.54 20.25 0.51 20.20 0 8.20 16.20 0 Leucoxene+magnetite+zircon+garnet+tourmaline+apatite+a little epidote Medium-low rank metamorphic rock+
intermediate acidic-
acidic magmatic rock
Qigu fault belt 223 47.60 9.43 5.36 18.42 3.60 0 3.20 10.58
Fukang fault belt 418 22.68 14.39 4.71 13.00 1.52 39.23 0 3.78 Zircon+
garnet+
leucoxene+
ilmenite		 Medium-low rank metamorphic rock+
intermediate acidic- acidic-basic magmatic rock