TY - JOUR
T1 - The enigmatic Yinshan fold-and-thrust belt of northern China
T2 - New views on its intraplate contractional styles
AU - Davis, Gregory A.
AU - Cong, Wang
AU - Yadong, Zheng
AU - Jinjiang, Zhang
AU - Changhou, Zhang
AU - Gehrels, George E.
PY - 1998/1
Y1 - 1998/1
N2 - The east- to east-northeast-trending Yinshan belt lies within North China, extending westward at least 1100 km from China's eastern coast to Inner Mongolia. This intraplate Jurassic-Cretaceous belt underwent contractional and normal faulting, folding, and contemporaneous terrestrial sedimentation and magmatism. Current views on its contractional deformational style favor relatively limited "thick-skinned" faulting of Archean basement and cover units. These views are challenged, however, by recent discoveries in the eastern part of the belt of south-directed ductile nappe formation and large-displacement (>40-45 km) "thin-skinned" northward thrust faulting, both involving Archean and younger rock units. Collision of the Siberian and North China plates upon closure of a Jurassic and Early Cretaceous Mongolo-Okhotsk ocean more than 800-1100 km to the north may have been responsible for Yinshan north-south contraction. Some patterns of contraction, e.g., Jurassic-Cretaceous ductile nappe formation, appear to have been influenced by a superposed magmatic regime related to westward subduction of a Pacific basin plate beneath the North China plate.
AB - The east- to east-northeast-trending Yinshan belt lies within North China, extending westward at least 1100 km from China's eastern coast to Inner Mongolia. This intraplate Jurassic-Cretaceous belt underwent contractional and normal faulting, folding, and contemporaneous terrestrial sedimentation and magmatism. Current views on its contractional deformational style favor relatively limited "thick-skinned" faulting of Archean basement and cover units. These views are challenged, however, by recent discoveries in the eastern part of the belt of south-directed ductile nappe formation and large-displacement (>40-45 km) "thin-skinned" northward thrust faulting, both involving Archean and younger rock units. Collision of the Siberian and North China plates upon closure of a Jurassic and Early Cretaceous Mongolo-Okhotsk ocean more than 800-1100 km to the north may have been responsible for Yinshan north-south contraction. Some patterns of contraction, e.g., Jurassic-Cretaceous ductile nappe formation, appear to have been influenced by a superposed magmatic regime related to westward subduction of a Pacific basin plate beneath the North China plate.
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U2 - 10.1130/0091-7613(1998)026<0043:TEYFAT>2.3.CO;2
DO - 10.1130/0091-7613(1998)026<0043:TEYFAT>2.3.CO;2
M3 - Article
AN - SCOPUS:0031961212
VL - 26
SP - 43
EP - 46
JO - Geology
JF - Geology
SN - 0091-7613
IS - 1
ER -