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Microfabric features of microbial carbonates: experimental and natural evidence of mold holes and crusts

文献类型：期刊论文

作者Wu, Ya-Sheng1,2,5; Jiang, Hong-Xia4; Li, Ying2,5; Yu, Gong-Liang3
刊名JOURNAL OF PALAEOGEOGRAPHY-ENGLISH
出版日期2021-07-26
卷号10页码:13
关键词Thrombolite Stromatolite Induced calcification Trapping Laminite Proclot
ISSN号2095-3836
DOI10.1186/s42501-021-00100-5
英文摘要Results of our study based on examination of induced precipitation of carbonate by a cyanobacterium, Lyngbya in the laboratory, and the analyses of microphotographs of both modern and ancient microbial carbonates, demonstrated the importance of recognition of mold holes and carbonate crusts in understanding microbial carbonates. In the experiment, only cyanobacteria Lyngbya can induce precipitation of carbonate, forming scattered grains on the surface of Lyngbya filaments. Carbonate crusts enclosing the old parts of the filaments were formed through aggregation of these scatter grains while mold holes were formed after decay of the filaments. Mainly based on the experiment, six different ways of microbial carbonate formation were recognized: (1) trapping without mold holes, (2) trapping with mold holes, (3) particle-forming induced-precipitation of carbonate, (4) discrete crust-forming induced-precipitation of carbonate, (5) induced precipitation, forming tangled crusts that build a porous construction, and (6) induced precipitation, forming a dense construction. And mold holes and crusts can form in ways (4), (5), and (6). Examination of both modern microbial carbonates from the Shark Bay of Australia, Highborne Cay of Bahamas and the atoll of Kiritimati and the microbialites from the Cambrian dolostone sequence in Tarim, Xinjiang, China all demonstrated the limitation of recognizing only mesofabric features and importance of examining microfabric features for understanding of the genesis of the microbial carbonates and their proper classification. The shape, size and arrangement of the mold holes, crusts, and the features of the minerals filling in pores between the crusts, which are referred as the microfabric features here, are keys to better understand the formation and environments of both modern and ancient microbial carbonates.
WOS关键词EARLIEST TRIASSIC MICROBIALITES ; CAMBRIAN SERIES 3 ; TARIM BASIN ; SOUTH CHINA ; SHARK BAY ; CYANOBACTERIAL CALCIFICATION ; SHANDONG PROVINCE ; STROMATOLITES ; PRECIPITATION ; PLATFORM
资助项目National Natural Science Foundation of China[41972320] ; National Major Science and Technology Projects of China[2016ZX05004-004] ; Chinese Academy of Sciences[XDB26000000]
WOS研究方向Geology ; Paleontology
语种英语
WOS记录号WOS:000678552000001
出版者SPRINGER SINGAPORE PTE LTD
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Major Science and Technology Projects of China ; National Major Science and Technology Projects of China ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Major Science and Technology Projects of China ; National Major Science and Technology Projects of China ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Major Science and Technology Projects of China ; National Major Science and Technology Projects of China ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Major Science and Technology Projects of China ; National Major Science and Technology Projects of China ; Chinese Academy of Sciences ; Chinese Academy of Sciences
源URL[http://ir.iggcas.ac.cn/handle/132A11/101931]  
专题地质与地球物理研究所_中国科学院新生代地质与环境重点实验室
通讯作者Jiang, Hong-Xia
作者单位1.Innovat Acad Earth Sci, Chinese Acad Sci, Beijing 100029, Peoples R China
2.Inst Geol & Geophys, Chinese Acad Sci, Key Lab Cenozo Geol & Environm, Beijing 100029, Peoples R China
3.Inst Hydrobiol, Chinese Acad Sci, Wuhan 430072, Hubei, Peoples R China
4.Hebei GEO Univ, Inst Paleontol, Shijiazhuang 050031, Hebei, Peoples R China
5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714		 Wu, Ya-Sheng,Jiang, Hong-Xia,Li, Ying,et al. Microfabric features of microbial carbonates: experimental and natural evidence of mold holes and crusts[J]. JOURNAL OF PALAEOGEOGRAPHY-ENGLISH,2021,10:13.
APA Wu, Ya-Sheng,Jiang, Hong-Xia,Li, Ying,&Yu, Gong-Liang.(2021).Microfabric features of microbial carbonates: experimental and natural evidence of mold holes and crusts.JOURNAL OF PALAEOGEOGRAPHY-ENGLISH,10,13.
MLA Wu, Ya-Sheng,et al."Microfabric features of microbial carbonates: experimental and natural evidence of mold holes and crusts".JOURNAL OF PALAEOGEOGRAPHY-ENGLISH 10(2021):13.

入库方式： OAI收割

来源：地质与地球物理研究所

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