scholarly journals Geochronology and geochemistry of Late Cretaceous–Paleocene granitoids in the Sikhote-Alin Orogenic Belt: Petrogenesis and implications for the oblique subduction of the paleo-Pacific plate

Lithos ◽  
2016 ◽  
Vol 266-267 ◽  
pp. 202-212 ◽  
Author(s):  
Jie Tang ◽  
Wenliang Xu ◽  
Yaoling Niu ◽  
Feng Wang ◽  
Wenchun Ge ◽  
...  
Keyword(s):  
Late Cretaceous ◽  
Pacific Plate ◽  
Orogenic Belt ◽  
Sikhote Alin ◽  
Oblique Subduction

Late Cretaceous granitoids of the Sikhote–Alin orogenic belt, southeastern Russia: implications for the Mesozoic geodynamic history of the eastern Asian continental margin

2021 ◽  
pp. jgs2021-109
Author(s):  
Igor V. Kemkin ◽  
Andrei V. Grebennikov ◽  
Xing-Hua Ma ◽  
Ke-Ke Sun
Keyword(s):  
Late Cretaceous ◽  
Pacific Plate ◽  
Orogenic Belt ◽  
Sikhote Alin ◽  
Asian Continent ◽  
Content Type ◽  
Eastern Margin ◽  
Continental Plate ◽  
Supplementary Material ◽  
Cretaceous Magmatism

We present new U–Pb age data for granitoids in the Central Sikhote–Alin orogenic belt in SE Russia, which refute the established opinion about the absence of the Late Cretaceous magmatism at the eastern margin of the Paleo-Asian continent. It was previously thought that a period of magmatic quiescence occurred from 88 to 50 Ma, related to subduction of the Paleo-Pacific Plate under the eastern margin of the Paleo-Asian continent, although this is inconsistent with evidence from the Sikhote–Alin, Sakhalin, and Japan regions. Three suites of plutonic rocks with different ages were identified in this study. The first suite has ages of 105–92 Ma and formed in a syn-orogenic setting. The second (86–83 Ma) and third (ca. 73 Ma) suites formed during the post-orogenic stage of the Sikhote–Alin orogenic belt. The second and third suites were coeval with Late Cretaceous granitoids that formed in a suprasubduction continental arc known as the Eastern Sikhote–Alin volcanic–plutonic belt (ESAVPB). However, the studied rocks are located far inland from the ESAVPB. The ages of the studied granitoids coincide with the timing of a change in the angle of convergence between the Paleo-Pacific Plate and eastern margin of the Paleo-Asian continent. This change in motion of the oceanic plate with respect to the continental plate was probably caused by a rupture in the subducted slab (i.e., a slab tear), followed by asthenospheric upwelling and partial melting of the overlying crust, which ultimately generated post-orogenic intrusive magmatism.Supplementary material:https://doi.org/10.6084/m9.figshare.c.5738616

Evolution of the Late Cretaceous Dadaepo Basin, SE Korea, in response to oblique subduction of the proto-Pacific (Izanagi/Kula) or Pacific plate

2016 ◽  
Vol 39 ◽  
pp. 145-164 ◽  
Author(s):  
Hyeongseong Cho ◽  
Moon Son ◽  
Youngbeom Cheon ◽  
Young Kwan Sohn ◽  
Jong-Sun Kim ◽  
...  
Keyword(s):  
Late Cretaceous ◽  
Pacific Plate ◽  
Oblique Subduction

Late cretaceous pelagic sediments, volcanic ASH and biotas from near the Louisville hotspot, Pacific Plate, paleolatitude ∼42°S

1989 ◽  
Vol 71 (3-4) ◽  
pp. 281-299 ◽  
Author(s):  
Peter F. Ballance ◽  
John A. Barron ◽  
Charles D. Blome ◽  
David Bukry ◽  
Peter A. Cawood ◽  
...  
Keyword(s):  
Late Cretaceous ◽  
Volcanic Ash ◽  
Pacific Plate

scholarly journals Окислительно-восстановительный фон в земной коре Сихотэ-Алиньского орогенного пояса при кристаллизации магматитов мел-палеогенового возраста: связь с геодинамикой

2020 ◽  
pp. 24-38
Author(s):  
Yu. V. Taltykin ◽  
◽  
L. F. Mishin ◽  
E. A. Konovalova ◽  
◽  
...  
Keyword(s):  
Orogenic Belt ◽  
Redox Conditions ◽  
Western Pacific ◽  
Sikhote Alin ◽  
Mechanism Of Formation ◽  
Magma Crystallization ◽  
The Relationship

A new mechanism for the formation of ilmenite and magnetite series of granitoids in the Sikhote-Alin orogenic belt is proposed. The existing distribution zones of these magmatites are associated with the regional redox background, where magma crystallization occurs. The paper shows the relationship between the redox background in the lithosphere of the region and subduction processes in the Cretaceous-Paleogene time. The proposed mechanism of formation of the ilmenite and magnetite zones of Sikhote-Alin also explains the differences in redox conditions during the crystallization of Mesozoic magmatites in the orogens of the Eastern and Western Pacific coasts.

Late Cretaceous to Middle Eocene Magmatism and Metallogeny of a Portion of the Southeastern Anatolian Orogenic Belt, East-Central Turkey

2013 ◽  
Vol 108 (4) ◽  
pp. 641-666 ◽  
Author(s):  
I. Kuscu ◽  
R. M. Tosdal ◽  
G. Gencalioglu-Kuscu ◽  
R. Friedman ◽  
T. D. Ullrich
Keyword(s):  
Late Cretaceous ◽  
Middle Eocene ◽  
Orogenic Belt ◽  
East Central ◽  
Central Turkey
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