Large mass-independent sulphur isotope anomalies link stratospheric volcanism to the Late Ordovician mass extinction by Dongping Hu, Menghan Li, Xiaolin Zhang, Alexandra V. Turchyn, Yizhe Gong, Yanan Shen

“…Here, the authors report unexpected, large mass-independent sulphur isotopic compositions of pyrite in Late Ordovician sedimentary rocks, which they suggest originates from stratospheric volcanism linked to the first pulse of the Late Ordovician mass extinction.…”
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Analysis of Crack Initiation and Propagation Thresholds of Inclined Cracks under High-Pressure Grouting in Ordovician Limestone by Bin Xu, Shuning Dong, Shangxian Yin, Shuxia Li, Yanling Xu, Zhenxue Dai

“…Control of the grouting pressure within the critical grouting pressure for crack propagation in Ordovician limestone can not only ensure grout penetration length, but also prevent the risk of creating an artificial water channel. …”
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Natural gas migration and accumulation model and favorable exploration targets in Ordovician dolomite in Jingxi, Ordos Basin by Jingdong Liu, Youlu Jiang, Xinshe Liu, Rongwei Zhu

“…The Ordovician dolomite reservoir in Ma5 5 –Ma5 10 sub-members in Jingxi in Ordos Basin is a newly discovered field with multiple natural gas pools. …”
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Discovery of effective scale source rocks of the Ordovician Majiagou Fm in the Ordos Basin and its geological significance by Jianqi Tu, Yiguo Dong, Bin Zhang, Hongli Nan, Chengjian Li, Xiaomei Wang, Xuandong Fei, Wenbao Zhou

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Hydrogeochemical characteristics of Ordovician karst water in North China coalfield and its indicative significance for geothermal energy by Jie ZHANG, Luwang CHEN, Xiaowei HOU, Miao ZHANG, Yongsheng HU

“…Ordovician karst water in the North China coalfield is a green energy source that integrates water and heat. …”
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The enigmatic cnidarian Martsaphyton moxi gen. et sp. nov. from the Darriwilian (Middle Ordovician) of Estonia by Oive Tinn, Olev Vinn, Leho Ainsaar

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Hulterstad brachiopods and associated faunas in the Vormsi Stage (Upper Ordovician, Katian) of the Lelle core, Central Estonia by Nõlvak, Jaak, Nemliher, Reet, Hints, Olle, Hints, Linda

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Characteristics and main controlling factors of Ordovician deep subsalt reservoir in central and eastern Ordos Basin, China by Ling Fu, Jianzhong Li, Wanglin Xu, Wei Guo, Ningxi Li, Yueqiao Zhang, Wei Song, Yuanshi Sun

“…In recent years, the subsalt dolomite reservoirs in the Ordovician strata of the Ordos Basin have indicated good exploration results and are expected to have a high hydrocarbon potential. …”
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Giant trilobites and Other Middle Ordovician Invertebrate Fossils from the Arouca UNESCO Global Geopark, Portugal by Artur Sá, Sofia Pereira, Isabel Rábano, Juan Carlos Gutiérrez-Marco

“…The giant Ordovician trilobites from the Canelas quarry constitute the most iconic sign of identity of the Arouca UNESCO Global Geopark at an international level. …”
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LINGULIFORM MICROBRACHIOPODS FROM LAS AGUADITAS AND LAS CHACRITAS FORMATIONS (MIDDLE-UPPER ORDOVICIAN) OF ARGENTINE PRECORDILLERA by FERNANDO JULIÁN LAVIÉ, FERNANDA SERRA, NICOLÁS ALEXIS FELTES

“…Middle-Upper Ordovician linguliform microbrachiopods are described and illustrated for the first time from the Las Aguaditas Formation at the Los Blanquitos and Mogotes Azules ranges and from the Las Chacritas Formation at the Las Chacritas River section, Central Argentine Precordillera. …”
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Formation mechanisms and development models of dolomite reservoirs in Ordovician Yingshan Formation in Shunnan area, Tarim Basin by Rendong KANG, Wanbin MENG, Chunhui XIAO

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Geochemical characteristics and organic matter accumulation of Late Ordovician shale in the Upper Yangtze Platform, South China by Zhaodong Xi, Shuheng Tang

“…The Ordovician shale (Wufeng Formation) in the Upper Yangtze Platform is now considered a successful development interval, independent of the Longmaxi Formation. …”
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Mechanisms of shale gas generation and accumulation in the Ordovician Wufeng-Longmaxi Formation, Sichuan Basin, SW China by Tenger BORJIGIN, Baojian SHEN, Lingjie YU, Yunfeng YANG, Wentao ZHANG, Cheng TAO, Binbin XI, Qingzhen ZHANG, Fang BAO, Jianzhong QIN

“…The source rock quality, organic pore structure, occurrence state and sealing mechanisms of shale gas in the Ordovician Wufeng – SilurianLongmaxi Formation (O3w-S1l), Fuling region, Sichuan Basin were studied using a series of techniques including ultra-microscopic organic maceral identification, FIB-SEM, high temperature/pressure isothermal adsorption and isotopic age dating of noble gas. …”
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Ordovician climate changes in the northern subtropics: The δ18O record from the Tunguska Basin, Siberia by Peep Männik, Oliver Lehnert, Michael M. Joachimski

“…Oxygen isotopes from bioapatite (conodonts) have been used for several decades to reconstruct the Palaeozoic climate history. During the Ordovician, conodont-based δ18Ophos studies have revealed a general cooling trend throughout the system. …”
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The Early to Middle Ordovician graptolite faunal succession of the Trail Creek region, central Idaho, U.S.A by J. Maletz, D. Goldman, M. Cone

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GC×GC-TOFMS analysis of ethanodiamondoids in Ordovician oil from well SN1, Tarim Basin by Xiao YU, Anlai MA, Xianqing LI, Xiuxiang ZHU, Jianwei FEI

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Paragenesis and Formation Mechanism of the Dolomite-Mottled Limestone Reservoir of Ordovician Ma4 Member, Ordos Basin by Zeguang Yang, Aiguo Wang, Liyong Fan, Zhanrong Ma, Xiaorong Luo, Xinghui Ning, Kun Meng

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Dispositional characteristics of Ordovician Wufeng Formation and Silurian Longmaxi Formation in Sichuan Basin and its adjacent areas by Haikuan Nie, Zhijun Jin, Xin Ma, Zhongbao Liu, Tuo Lin, Zhenheng Yang

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LATE ORDOVICIAN BRACHIOPOD <em> RONGATRYPA XICHUANENSIS </em> FROM XICHUAN, HENAN PROVINCE, CENTRAL CHINA by YU-CHEN ZHANG, REN-BIN ZHAN, COLIN D. SPROAT, BING HUANG

“…Here, we reassign a species to the genus, Rongatrypa xichuanensis (Xu, 1996), from the Shiyanhe Formation (Katian, Upper Ordovician) of Xichuan, Henan Province, central China. …”
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Late Tremadocian (Early Ordovician) reefs on the Yangtze Platform, South China, and their geobiological implications: a synthesis by Jian-Po Wang, Qi-Jian Li, Stephen Kershaw, Yuan-Yuan Zhang, Shen-Yang Yu, Yue Li

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