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Deep subsidence of the early catagenesis zones of organic matter in the sedimentary rocks of Northeastern Sakhalin shelf at high thermal regime of the basin

Deep subsidence of the early catagenesis zones of organic matter in the sedimentary rocks of... ISSN 1028-334X, Doklady Earth Sciences, 2009, Vol. 425A, No. 3, pp. 444–447. © Pleiades Publishing, Ltd., 2009. Original Russian Text © Yu.I. Galushkin, K.A. Sitar, A.V. Kunitsyna, 2009, published in Doklady Akademii Nauk, 2009, Vol. 425, No. 4, pp. 535–538. GEOPHYSICS Yu. I. Galushkin, K. A. Sitar, and A. V. Kunitsyna Presented by Academician A.N. Dmitrievskii September 8, 2008 Received September 17, 2008 DOI: 10.1134/S1028334X09030210 Heat flux measurements in the shelf zone of Northern Sakhalin reveal strong heating of the sedimentary complexes with a temperature gradient of the order of 36°C/km along the entire length of the Okhotsk Sea margin of the North Sakhalin basin [2]. However, despite the high thermal regime of the lithosphere in the region, the fact that initial stages of catagenesis gradations PC3–MC1 (Ro = 0.50–0.64%) are confined to great depths (3800–5000 m) is a characteristic property of the deep distribution of the organic matter catagenesis of sedimentary rocks in the boreholes of Northern Sakhalin. It is likely that this fact is related to a high rate of sediment accumulation in the Neogene-Quaternary time. In order to check this supposition and estimate the rate of variations in the degree of transformation of organic matter http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Doklady Earth Sciences Springer Journals

Deep subsidence of the early catagenesis zones of organic matter in the sedimentary rocks of Northeastern Sakhalin shelf at high thermal regime of the basin

Galushkin, Yu.; Sitar, K.; Kunitsyna, A.
Doklady Earth Sciences , Volume 425 (2) – Apr 1, 2009
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References (2)

Publisher
Springer Journals
Copyright
Copyright © 2009 by Pleiades Publishing, Ltd.
Subject
Earth Sciences; Earth Sciences, general
ISSN
1028-334X
eISSN
1531-8354
DOI
10.1134/S1028334X09030210
Publisher site
See Article on Publisher Site

Abstract

ISSN 1028-334X, Doklady Earth Sciences, 2009, Vol. 425A, No. 3, pp. 444–447. © Pleiades Publishing, Ltd., 2009. Original Russian Text © Yu.I. Galushkin, K.A. Sitar, A.V. Kunitsyna, 2009, published in Doklady Akademii Nauk, 2009, Vol. 425, No. 4, pp. 535–538. GEOPHYSICS Yu. I. Galushkin, K. A. Sitar, and A. V. Kunitsyna Presented by Academician A.N. Dmitrievskii September 8, 2008 Received September 17, 2008 DOI: 10.1134/S1028334X09030210 Heat flux measurements in the shelf zone of Northern Sakhalin reveal strong heating of the sedimentary complexes with a temperature gradient of the order of 36°C/km along the entire length of the Okhotsk Sea margin of the North Sakhalin basin [2]. However, despite the high thermal regime of the lithosphere in the region, the fact that initial stages of catagenesis gradations PC3–MC1 (Ro = 0.50–0.64%) are confined to great depths (3800–5000 m) is a characteristic property of the deep distribution of the organic matter catagenesis of sedimentary rocks in the boreholes of Northern Sakhalin. It is likely that this fact is related to a high rate of sediment accumulation in the Neogene-Quaternary time. In order to check this supposition and estimate the rate of variations in the degree of transformation of organic matter

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Doklady Earth Sciences – Springer Journals

Published: Apr 1, 2009

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