OOIDS

作品数:4被引量:7H指数:1
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相关领域:天文地球更多>>
相关机构:西北大学更多>>
相关期刊:《Journal of Palaeogeography》《Acta Geologica Sinica(English Edition)》更多>>
相关基金:国家自然科学基金中国博士后科学基金国家重点基础研究发展计划更多>>
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Origin of iron-rich minerals,ooids and pisoids in the Jurassic ooidal ironstones of the Labino-Malkin region(Caucasus)
《Journal of Palaeogeography》2024年第3期475-494,共20页Natalia A.Kalinina Maxim A.Rudmin Mikhail Sherstyukov Prokopiy Maximov Abdul-Gapur Kerimov 
supported by project FSWW-2023-0010.
This study investigates the Middle Jurassic rocks of the Labino-Malkin zone(Caucasus),represented by ooidal ironstones,biogenic limestones,and nodular phosphorites.All rocks contain ooids/pisoids.Based on the mineral ...
关键词:Ooidal ironstones Mineral formation OOIDS Pisoids Mineral chemistry 
Giant ooids of microbial origin from the Zhangxia Formation(Cambrian Miaolingian Series)in North China被引量:1
《Journal of Palaeogeography》2022年第1期52-68,共17页Ming-Yue Dai Hua-Shan Zhang Wei Zheng Yong-An Qi Zhi-Feng Xing Zhen Zhang 
financially supported by the National Natural Science Foundation of China(Giants No:41872111 and 41902115)。
The role of microorganisms in the formation of giant ooids is one of the areas of long-term controversy in ooidal research,but it has not been confirmed conclusively.Abundant giant ooids developed in the Zhangxia Form...
关键词:Girvanella filament Microbial origin Giant ooid Cambrian Miaolingian Series Zhangxia Formation North China 
The Interrelationship of Micro-Meso and Macroscopic Structures on the Western Limb of the Hazara Kashmir Syntaxis, Pakistan
《Acta Geologica Sinica(English Edition)》2017年第5期1573-1623,共51页Sohaib AHMAD Asghar ALI Khaista REHMAN 
Financial support by the Department of Geology, University of Peshawar
Detailed micro-meso to macroscopic structural analyses reveal two deformation phases in the western limb of the Hazara-Kashmir Syntaxis(HKS). Bulk top to NW shearing transformed initially symmetrical NNE-SSW trendin...
关键词:Hazara-Kashmir Syntaxis meso to macroscopic folds sigmoidal en-echelon gash fractures deformed elliptical ooids  Rf/Ф method 
Calcified Biofilms from Cambrian Oolitic Limestones in China被引量:6
《Acta Geologica Sinica(English Edition)》2015年第1期70-76,共7页LIU Wei ZHANG Xingliang 
financial support from the Major Basic Research Project of the Ministry of Science and Technology of China(Grant:2013CB835002);the Natural Science Foundation of China(Grants:41272036);the China Postdoctoral Science Foundation(Grant:2014M552481);the"Sanqin Scholarship"project of the Shaanxi Authority
Calcified biofiims are preserved as thin micritic coatings in the Cambrian oolitic limestone of two sections in North and South China. Standard petrographic examination revealed that the biofilms were developed during...
关键词:GEOBIOLOGY OOIDS MICRITE cyanobacteria CAMBRIAN Hubei and Shaanxi provinces 
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