Geological Society, London, Memoirs最新文献

East Siberian Sea Composite Tectono-Sedimentary Element, Siberian Arctic 东西伯利亚海复合构造沉积元素，西伯利亚北极地区

Geological Society, London, Memoirs Pub Date : 2024-08-09 DOI: 10.1144/m57-2023-29

S. Drachev, V. Ershova, R. Myklebust, Pavel V. Rekant

{"title":"East Siberian Sea Composite Tectono-Sedimentary Element, Siberian Arctic","authors":"S. Drachev, V. Ershova, R. Myklebust, Pavel V. Rekant","doi":"10.1144/m57-2023-29","DOIUrl":"https://doi.org/10.1144/m57-2023-29","url":null,"abstract":"The East Siberian Sea Composite Tectono-Sedimentary Element (ESS CTSE) occupies most of the central and southern parts of the East Siberian Sea (ESS) and extends onshore into the Chukchi Peninsula. The first multichannel seismic reflection data, acquired in this region in 1989 and 1991 revealed its structural complexity and the presence of a deep sedimentary depocentre in its central part. In the 2010s, the first long-offset seismic data provided a much better understanding of the geology of this remote segment of the Arctic shelf. It includes a large extensional basin that started to form in the Albian (?)-Cenomanian, postdating the Barremian-Aptian Chukotkan orogeny and formation of the New Siberian-Chukchi Fold-and-Thrust Belt (FTB). The latter experienced extensional collapse and developed into the tectonic basement that underlies the CTSE over its entire extent. The ESS CTSE is mainly composed of Upper Cretaceous-Holocene siliciclastic sedimentary strata with a total thickness up to 14 km. This succession has not been drilled deep enough to test its hydrocarbon potential since the beginning of exploration around 2013. However, the strata contain abundant terrestrial organic matter and are considered as potential source rocks sufficient for generating gas accumulations.","PeriodicalId":472270,"journal":{"name":"Geological Society, London, Memoirs","volume":"6 5","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-08-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141922115","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Jan Mayen Microcontinent Composite Tectono-Sedimentary Element and Jan Mayen Prograded Margin Tectono-Sedimentary Element, Greenland Sea 扬马延微大陆复合构造沉积要素和扬马延渐变边缘构造沉积要素，格陵兰海

Geological Society, London, Memoirs Pub Date : 2024-07-03 DOI: 10.1144/m57-2023-12

H. Brekke

{"title":"Jan Mayen Microcontinent Composite Tectono-Sedimentary Element and Jan Mayen Prograded Margin Tectono-Sedimentary Element, Greenland Sea","authors":"H. Brekke","doi":"10.1144/m57-2023-12","DOIUrl":"https://doi.org/10.1144/m57-2023-12","url":null,"abstract":"The Jan Mayen Micro-Continent (JMMC) is the result of two Cainozoic phases of continental breakup, and subsequent seafloor spreading. The first established a spreading ridge system consisting of the Reykjanes, Ægir, and Mohn spreading ridges between Norway and Greenland in early Eocene. The second phase established the Kolbeinsey Ridge in Oligocene/Miocene separating the JMMC form Greenland. Two major stratigraphic elements are established accordingly, the Jan Mayen Micro-Continent Composite Tectono-Sedimentary Element (JMMC CTSE) for the Middle Devonian to Miocene succession, and the Jan Mayen Prograded Margin Tectono-Sedimentary Element (JMPM TSE) for the Miocene to Holocene succession. OBS refraction data show that the JMMC is underlain by a generally thickened crust. Plate reconstructions show that this crust most likely is a remnant of continental crust rifted off East Greenland, and thereby, consist of rocks that correlates with the Late Palaeozoic and Mesozoic strata stratigraphy of the conjugate margins of East Greenland and Norway known to be hydrocarbon. The arrival of the Iceland hot spot and the breakup magmatism greatly influenced the historic and current heat flow. Published maturation models and play analysis, show that there is a potential for oil and gas in the Jan Mayen Ridge within the JMMC.","PeriodicalId":472270,"journal":{"name":"Geological Society, London, Memoirs","volume":"99 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141682889","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Chapter 2. Terrestrial magnetism. I. Understanding the magnetic field – from mystification to quantification 第 2 章地磁地球磁场。I. 了解磁场--从神秘化到量化

Geological Society, London, Memoirs Pub Date : 2024-06-13 DOI: 10.1144/m60-2022-19

R. J. Howarth

引用次数: 0

Chapter 7 Heat of the Earth 第 7 章地球的热量

Geological Society, London, Memoirs Pub Date : 2024-06-13 DOI: 10.1144/m60-2022-32

R. J. Howarth

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Chapter 6. Shaking the earth: From vulcanology to seismic surveys 第 6 章撼动地球：从火山学到地震勘测

Geological Society, London, Memoirs Pub Date : 2024-06-13 DOI: 10.1144/m60-2022-31

R. J. Howarth

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Chapter 5. Gravity surveying and the Figure of the Earth from Newton to CHAMP 第 5 章从牛顿到 CHAMP 的重力测量和地球图

Geological Society, London, Memoirs Pub Date : 2024-06-13 DOI: 10.1144/m60-2022-30

R. J. Howarth

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Chapter 3. Terrestrial magnetism. II. Into the field 第 3 章地磁地磁。II.进入磁场

Geological Society, London, Memoirs Pub Date : 2024-06-13 DOI: 10.1144/m60-2022-20

R. J. Howarth

引用次数: 0

Chapter 4. Applied electrical and electromagnetic methods 第 4 章应用电气和电磁方法应用电气和电磁方法

Geological Society, London, Memoirs Pub Date : 2024-06-13 DOI: 10.1144/m60-2022-29

R. J. Howarth

引用次数: 0

Chapter 9. Radioactivity 第 9 章放射性

Geological Society, London, Memoirs Pub Date : 2024-06-13 DOI: 10.1144/m60-2023-31

R. J. Howarth

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Chapter 8. Aspects of Geodynamics 第 8 章地球动力学的各个方面地球动力学的各个方面

Geological Society, London, Memoirs Pub Date : 2024-06-13 DOI: 10.1144/m60-2022-33

R. J. Howarth

引用次数: 0