The Riphean-Vendian-Cambrian sedimentogenesis zone at the southeastern margin of the North Asian Craton: The geostructural setting and regionalization

2011 ◽  
Vol 5 (5) ◽  
pp. 433-445 ◽  
Author(s):  
V. G. Varnavsky ◽  
V. E. Kuznetsov
2012 ◽  
Vol 445 (2) ◽  
pp. 947-950 ◽  
Author(s):  
A. A. Sorokin ◽  
A. P. Sorokin ◽  
V. A. Ponomarchuk ◽  
Yu. A. Martynov ◽  
A. M. Larin ◽  
...  

2014 ◽  
Vol 458 (2) ◽  
pp. 1230-1235 ◽  
Author(s):  
A. A. Sorokin ◽  
A. V. Ponomarchuk ◽  
A. V. Travin ◽  
V. A. Ponomarchuk ◽  
K. D. Vakhtomin

2016 ◽  
Vol 10 (1) ◽  
pp. 13-27
Author(s):  
M. V. Goroshko ◽  
B. F. Shevchenko ◽  
V. A. Guryanov ◽  
G. Z. Gil’manova

2009 ◽  
Vol 4 ◽  
pp. 201-221 ◽  
Author(s):  
S. D. Sokolov ◽  
G. Ye. Bondarenko ◽  
P. W. Layer ◽  
I. R. Kravchenko-Berezhnoy

Abstract. Geochronologic and structural data from the terranes of the South Anyui suture zone record a protracted deformational history before, during and after an Early Cretaceous collision of the passive margin of the Chukotka-Arctic Alaska continental block with the active continental margin of the North Asian continent. Preceding this collision, the island arc complexes of the Yarakvaam terrane on the northern margin of the North Asian craton record Early Carboniferous to Neocomian ages in ophiolite, sedimentary, and volcanic rocks. Triassic to Jurassic amphibolites constrain the timing of subduction and intraoceanic deformation along this margin. The protracted (Neocomian to Aptian) collision of the Chukotka passive margin with the North Asian continent is preserved in a range of structural styles including first north verging folding, then south verging folding, and finally late collisional dextral strike slip motions which likely record a change from orthogonal collision to oblique collision. Due to this collision, the southern passive margin of Chukotka was overthrust by tectonic nappes composed of tectono-stratigraphic complexes of the South Anyui terrane. Greenschists with ages of 115–119 Ma are related to the last stages of this collision. The postcollisional orogenic stage (Albian to Cenomanian) is characterized by sinistral strike slip faults and an extensional environment.


1991 ◽  
Vol 55 (379) ◽  
pp. 263-276 ◽  
Author(s):  
Sang Longkang

AbstractBased on geological studies, 141 rock analyses and 5 trace element analyses of metabasites, the present paper deals with the rock association, chemical features, protolith formation and the original tectonic settings upwards through the Lower Proterozoic metamorphic strata in the Dabieshan-Lianyungang area, in the south-east of the North China Platform. The results of the study indicate that the lower and middle parts of the metamorphic strata comprise terrigenous clastics, phosphoritic and aluminous sedimentary formations which formed under stable continental margin conditions. In the middle-upper part a calc-alkaline volcano-sedimentary formation under the active continental margin was developed. The Lower Proterozoic meta-strata of sedimentary-volcanosedimentary origin from bottom upwards suggest that the tectonic evolution of the south-eastern margin of the North China Platform is a process from stabilization to mobilization. This process suggests a northward subduction of the Yangtze Plate under the North China Plate during the later part of the early Proterozoic.


2019 ◽  
Vol 324 ◽  
pp. 1-17 ◽  
Author(s):  
Bin Wan ◽  
Qing Tang ◽  
Ke Pang ◽  
Xiaopeng Wang ◽  
Zhian Bao ◽  
...  

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