MICROFOSSILS

作品数：40被引量：135H指数：6
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相关领域：天文地球生物学更多>>
相关作者：徐兆良更多>>
相关机构：中国科学院植物研究所更多>>
相关期刊：《Progress in Natural Science:Materials International》《Journal of Palaeogeography》《Acta Geologica Sinica(English Edition)》《Science China Earth Sciences》更多>>
相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金俄罗斯基础研究基金更多>>
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The 3-billion fossil question:How to automate classification of microfossils
《Artificial Intelligence in Geosciences》2024年第1期137-145,共9页Iver Martinsen David Wade Benjamin Ricaud Fred Godtliebsen 
supported by the Research Council of Norway,through its Centre for Research-based Innovation funding scheme (grant no.309439),and Consortium Partners.
Microfossil classification is an important discipline in subsurface exploration,for both oil&gas and Carbon Capture and Storage(CCS).The abundance and distribution of species found in sedimentary rocks provide valuabl...
关键词：Self-supervised learning PALYNOLOGY Deep learning MICROFOSSILS 
Structural and Chemical Characterization of the Ediacaran Embryo-Like Fossils via the Combination of 3D-XRM and FIB-SEM Approaches
《Journal of Earth Science》2024年第4期1204-1214,共11页Qian Chen Weichen Sun Suping Wu Zongjun Yin 
founded by the National Natural Science Foundation of China(No.42022010);the National Key Research and Development Program of China(No.2022YFF0800100);the CAS Interdisciplinary Innovation Team(No.JCTD-2020-18)and the Youth Innovation Promotion Association.
The three-dimensional(3D)morphology,anatomy,and in-situ chemical composition analysis of fossils are crucial for systematic paleontology and determining their phylogenetic positions.Scanning electron microscopy(SEM)co...
关键词：Embryo-like microfossils structural and chemical characterization 3D-XRM FIB-SEM 3D reconstruction 
Biological sources, paleoenvironment, and organic matter enrichment in source rocks of the Ordovician Majiagou Formation, Ordos Basin, China:Evidence from biomarkers,microfossils, and inorganic geochemical analyses
《Journal of Palaeogeography》2024年第1期92-115,共24页Jing-Jing Cao Wen-Zhe Gang Shang-Ru Yang 
supported by the PetroChina Changqing Oilfield Company (Qitan 2019-022)。
Carbonate deposits in the Ordovivian Majiagou Formation are significant source rocks for natural gas generation in the Ordos Basin, northwestern China. Previous studies mainly focused on the organic matter enrichment ...
关键词：Biological source MICROFACIES Trace elements Organic matter Majiagou Formation Ordos Basin 
Strain Geometry and Vorticity Analysis of the Deformed Radiolarian Rocks in the Abade-Tashk Area,the Zagros Suture Zone,Iran
《Journal of Earth Science》2022年第2期525-540,共16页Roghyeh Tavakkoli Khalil Sarkarinejad Saeede Keshavarz Seyed Rahim Hosseini 
Deformation in the Zagros suture zone is a result of the oblique collision of the AfroArabian continent with the Central Iranian microcontinents.Various types of folding and faulting are characteristic features of the...
关键词：transpression Zagros suture zone deformed radiolarian microfossils vorticity analysis Abade-Tashk area tectonicstranspression Zagros suture zone deformed radiolarian microfossils vorticity analysis Abade-Tashk area tectonics 
Sedimentological and microfossil records of modern typhoons in a coastal sandy lagoon off southern China coast
《Journal of Palaeogeography》2021年第4期529-549,共21页Hong-Shuai Qi Min Chen Lin-Nan Shen Feng Cai Ai-Mei Zhang Qi Fang 
the Key Program of National Natural Science Foundation of China(Grant No.41930538);the National Science Foundation of China(Grant No.41306083);the National Key Research and Development Program of China(Grant No.2019YFE0124700);the Scientific Research Foundation of Third Institute of Oceanography,Ministry of Natural Resources of China(Grant Nos.2019018,2019026,and 2020017)。
To determine the characteristics and potential indicators of modern typhoon deposition in a sandy lagoon off the coast of Guangdong Province(southern China),we analysed the ^(210)Pb,sedimentology,and microfossils of s...
关键词：Sediment record MICROFOSSILS Typhoon Rammasun LAGOON Southern China coast 
Biostratigraphy,Depositional and Diagenetic Processes in Carbonate Rocks from Southern Lebanon:Impact on Porosity and Permeability被引量：1
《Acta Geologica Sinica(English Edition)》2021年第5期1668-1683,共16页Hammad Tariq JANJUHAH Josep SANJUAN Mohammad ALQUDAH Mohamed K.SALAH 
funded by the URB of the American University of Beirut(Award#103603,Project#24687)。
Carbonate rocks contain prolific hydrocarbon reserves all over the world,particularly in the Middle East.For exploration and production strategies,it is essential to understand carbonate reservoirs in terms of their i...
关键词：lithofacies DIAGENESIS MICROFOSSILS NANNOFOSSILS reservoir quality Middle East carbonates 
Multi-proxy evidence of environmental change related to collapse of the Liangzhu Culture in the Yangtze Delta,China被引量：5
《Science China Earth Sciences》2021年第6期890-905,共16页Keyang HE Houyuan LU Guoping SUN Xiang JI Yonglei WANG Kaikai YAN Xinxin ZUO Jiangping ZHANG Bin LIU Ningyuan WANG 
supported by the National Natural Science Foundation of China(Grant Nos.41830322,41902187);the Strategic Priority Research Program of Chinese Academy of Sciences(Grant No.XDB26000000);the China Postdoctoral Science Foundation(Grant No.2020M670444)。
The Liangzhu Culture(5300–4300 cal.a BP)has been regarded as the culmination of the Neolithic Age in the Yangtze Delta and as an archaic state.However,the reason behind the collapse of the Liangzhu Culture remains co...
关键词：Collapse of the Liangzhu Culture Yangtze Delta Yellowish silt MICROFOSSILS GEOCHEMISTRY 
Marine transgression(s) to evaporite basin:The case of middle Miocene (Badenian) gypsum in the Central Paratethys, SE Poland
《Journal of Palaeogeography》2020年第3期335-352,共18页Danuta Peryt Przemyslaw Gedl Tadeusz Marek Peryt 
jointly supported by the National Science Centre, Poland,grant No. UMO-2017/27/B/ST10/01129 to the first author;the statutory funds of the PGI-NRI (project 62.9012.1948.00.0 to the third author)。
The middle Miocene Badenian evaporite basin of the Carpathian Foredeep Basin was a saline lake, separated by a barrier from the sea and supplied with seawater seeping through the barrier or overflowing it occasionally...
关键词：Evaporite basins TRANSGRESSION MICROFOSSILS BADENIAN PALAEOGEOGRAPHY PARATETHYS 
An Early Paleozoic Tectonic Mélange at the Western Margin of West Cathaysia: Constraints from Organic-walled Microfossils被引量：3
《Acta Geologica Sinica(English Edition)》2020年第4期1060-1070,共11页WANG Lijun ZHANG Kexin HE Weihong YIN Leiming Shoufa LIN 
funded by the National Natural Science Foundation(No.41772107 and No.41472166);the Geological Survey Program(No.DD20190370 and No.DD20190811)of the People’s Republic of China;the 13th Five-year Plan of the Ministry of Science and Technology of China(2016ZX05034-002-003);the Natural Sciences and Engineering Research Council of Canada。
The Jiangshan-Shaoxing-Pingxiang Fault(JSP Fault) is traditionally considered as the boundary between the Yangtze and Cathaysia blocks in South China. Whether the previously defined Shenshan and Kuli formations locate...
关键词：ACRITARCH Shenshan and Kuli formations Shenshan tectonic mélange West Cathaysia 
Artificial Intelligence Identification of Multiple Microfossils from the Cambrian Kuanchuanpu Formation in Southern Shaanxi, China
《Acta Geologica Sinica(English Edition)》2020年第1期189-197,共9页ZHANG Tao WANG Bin LI Dedong NIU Ben SUN Jie SUN Yifei YANG Xiaoguang LUO Juan HAN Jian 
supported by the Strategic Priority Research Program of Chinese Academy of Sciences [No. XDB26000000];the Natural Science Foundation of China [Nos. 41621003, 41772010, 41572017, 41672009, 41720104002].
The Cambrian Kuanchuanpu Formation in southern Shaanxi, China is a critical window for the understanding of the Cambrian explosion, because of abundant and various exceptionally preserved metazoans and embryo fossils ...
关键词：WATERSHED segmentation scale INVARIANT feature transform visual vocabulary support vector machine 
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