Age and Composition of Igneous Rocks from the Cenozoic Sedimentary Cover of the Sakhalin Shelf

被引：0

作者：

Kovtunovich, P. Yu ^{[1
]}

Rudnitskaya, E. S. ^{[1
]}

Safronova, L. S. ^{[1
]}

Lebedev, V. A. ^{[2
]}

Levin, A., V ^{[3
]}

Malyshev, N. A. ^{[4
]}

Verzhbitskiy, V. E. ^{[4
]}

Obmetko, V. V. ^{[4
]}

Borodulin, A. A. ^{[4
]}

机构：

[1] RN Shelf Arct Ltd, Yuzhno Sakhalinsk 693004, Russia

[2] Russian Acad Sci, Inst Geol Ore Deposits Petrog Mineral & Geochem I, Moscow 119017, Russia

[3] NOC SakhalinNIPImorneft Ltd, Yuzhno Sakhalinsk 693009, Russia

[4] PJSC Rosneft Oil Co, Moscow 115054, Russia

来源：

RUSSIAN JOURNAL OF PACIFIC GEOLOGY | 2022年 / 16卷 / 03期

关键词：

K-Ar isotope age; shelf; Anivskiy volcanic complex; Orlovskiy volcanic complex; Lamanonskiy volcanic complex; Chekhovskiy volcanic complex; Lesogorskiy intrusive complex; shelf of the Sakhalin Island;

D O I：

10.1134/S1819714022030046

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

The K-Ar isotope age and petrological-geochemical data were obtained for the first time on igneous rocks from a core recovered from previously drilled wells on the Sakhalin shelf. Based on these data, the igneous rocks were compared to the rocks of the Anivskiy, Orlovskiy, Lamanonskiy, and Chekhovskiy volcanic complexes. The isotopic ages obtained on rocks from the Lesogorskiy Complex of hypabyssal small intrusions exposed on the western coast of Sakhalin Island allowed tighter constraints to be placed on the timing of its formation (8.9-16.2 Ma).

引用

页码：188 / 204

页数：17

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