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The origin of Ediacaran phosphogenesis event: New insights from Doushantuo Formation in the Danzhai phosphorite deposit, South China.

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Title: The origin of Ediacaran phosphogenesis event: New insights from Doushantuo Formation in the Danzhai phosphorite deposit, South China.
Authors: Yu, Li-Ming1 (AUTHOR), Liu, Ming-Xin1 (AUTHOR) liumingxin@stu.cdut.edu.cn, Dan, Yong2 (AUTHOR), Said, Nuru3,4 (AUTHOR), Wu, Jiang-Han1 (AUTHOR), Hou, Ming-Cai1 (AUTHOR), Zou, Hao1,5 (AUTHOR) zouhao21@gmail.com
Source: Ore Geology Reviews. Jan2023, Vol. 152, pN.PAG-N.PAG. 1p.
Subjects: Phosphate rock, Rare earth metals, Pyrites, Ore genesis (Mineralogy), Cambrian Period, Petrology
Geographic Terms: China, Guizhou Sheng (China)
Abstract: [Display omitted] • The marine hydrothermal and the organic-rich water brought by upwelling facilitated phosphorite deposition in slope areas. • The phosphorite was formed in a suboxic-oxic conditon. • The Ediacaran phosphogenesis is the result of growth and mineralization of microorganisms. The Ediacaran-early Cambrian period is not only the key period of global climate and life evolution, but also recorded the occurrence of the second large-scale phosphogenesis event in history of the Earth. South China records a large number of phosphorus-forming events of that period, which the late Ediacaran Doushantuo Formation (Doushantuo Fm.) is the most important example. Although the Ediacaran Doushantuo Fm. of China contains only 5 % of global reserves, it accounts for 45 % of the world's phosphorous (P) production. Therefore, the study on the formation of phosphorite in the Ediacaran Doushantuo Fm., South China will help in our better understanding of the role of the phosphorus-forming event in that period. Here, we present a detailed study of geology, petrology, and geochemistry and C O isotopes of the Doushantuo Fm. phosphorite, shale and dolomite samples at Danzhai, southwest Guizhou. The rare earth element + Y (REY) signature of phosphorites display a "hat-shaped" post-Archean Australian Shale (PAAS)-normalized REY distributions, with systematically lower Ce/Ce* ranging from −0.56 to −0.60 (average −0.58, n = 4). The δ13C VPDB δ18O VPDB and δ18O V-SMOW values range from −12.88 to 4.39 ‰, −10.3–7.18 ‰, and 20.29 – 23.51 ‰, respectively. Our field, petrologic, geochemical and isotopic data suggest that: (1) The ore-forming materials of the Danzhai phosphorite deposit may have an input of marine hydrothermal and the organic-rich water brought by up-welling; (2) The Ce/Ce* and pyrite speciation data suggest that the Danzhai phosphorite deposit was formed in a suboxic-oxic conditon; (3) The phosphogenesis of the late Doushantuo phosphate deposit is mainly the result of growth and mineralization of microorganisms, accompanied by the mechanical dynamic action of seawater. [ABSTRACT FROM AUTHOR]
Copyright of Ore Geology Reviews is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: The origin of Ediacaran phosphogenesis event: New insights from Doushantuo Formation in the Danzhai phosphorite deposit, South China.
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  Data: <searchLink fieldCode="AR" term="%22Yu%2C+Li-Ming%22">Yu, Li-Ming</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Ming-Xin%22">Liu, Ming-Xin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> liumingxin@stu.cdut.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Dan%2C+Yong%22">Dan, Yong</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Said%2C+Nuru%22">Said, Nuru</searchLink><relatesTo>3,4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wu%2C+Jiang-Han%22">Wu, Jiang-Han</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hou%2C+Ming-Cai%22">Hou, Ming-Cai</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zou%2C+Hao%22">Zou, Hao</searchLink><relatesTo>1,5</relatesTo> (AUTHOR)<i> zouhao21@gmail.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Ore+Geology+Reviews%22">Ore Geology Reviews</searchLink>. Jan2023, Vol. 152, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Phosphate+rock%22">Phosphate rock</searchLink><br /><searchLink fieldCode="DE" term="%22Rare+earth+metals%22">Rare earth metals</searchLink><br /><searchLink fieldCode="DE" term="%22Pyrites%22">Pyrites</searchLink><br /><searchLink fieldCode="DE" term="%22Ore+genesis+%28Mineralogy%29%22">Ore genesis (Mineralogy)</searchLink><br /><searchLink fieldCode="DE" term="%22Cambrian+Period%22">Cambrian Period</searchLink><br /><searchLink fieldCode="DE" term="%22Petrology%22">Petrology</searchLink>
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  Data: <searchLink fieldCode="DE" term="%22China%22">China</searchLink><br /><searchLink fieldCode="DE" term="%22Guizhou+Sheng+%28China%29%22">Guizhou Sheng (China)</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: [Display omitted] • The marine hydrothermal and the organic-rich water brought by upwelling facilitated phosphorite deposition in slope areas. • The phosphorite was formed in a suboxic-oxic conditon. • The Ediacaran phosphogenesis is the result of growth and mineralization of microorganisms. The Ediacaran-early Cambrian period is not only the key period of global climate and life evolution, but also recorded the occurrence of the second large-scale phosphogenesis event in history of the Earth. South China records a large number of phosphorus-forming events of that period, which the late Ediacaran Doushantuo Formation (Doushantuo Fm.) is the most important example. Although the Ediacaran Doushantuo Fm. of China contains only 5 % of global reserves, it accounts for 45 % of the world's phosphorous (P) production. Therefore, the study on the formation of phosphorite in the Ediacaran Doushantuo Fm., South China will help in our better understanding of the role of the phosphorus-forming event in that period. Here, we present a detailed study of geology, petrology, and geochemistry and C O isotopes of the Doushantuo Fm. phosphorite, shale and dolomite samples at Danzhai, southwest Guizhou. The rare earth element + Y (REY) signature of phosphorites display a "hat-shaped" post-Archean Australian Shale (PAAS)-normalized REY distributions, with systematically lower Ce/Ce* ranging from −0.56 to −0.60 (average −0.58, n = 4). The δ13C VPDB δ18O VPDB and δ18O V-SMOW values range from −12.88 to 4.39 ‰, −10.3–7.18 ‰, and 20.29 – 23.51 ‰, respectively. Our field, petrologic, geochemical and isotopic data suggest that: (1) The ore-forming materials of the Danzhai phosphorite deposit may have an input of marine hydrothermal and the organic-rich water brought by up-welling; (2) The Ce/Ce* and pyrite speciation data suggest that the Danzhai phosphorite deposit was formed in a suboxic-oxic conditon; (3) The phosphogenesis of the late Doushantuo phosphate deposit is mainly the result of growth and mineralization of microorganisms, accompanied by the mechanical dynamic action of seawater. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Ore Geology Reviews is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.oregeorev.2022.105230
    Languages:
      – Code: eng
        Text: English
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        PageCount: 1
        StartPage: N.PAG
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        Type: general
      – SubjectFull: Rare earth metals
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      – SubjectFull: Pyrites
        Type: general
      – SubjectFull: Ore genesis (Mineralogy)
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      – SubjectFull: Cambrian Period
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      – SubjectFull: Petrology
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      – SubjectFull: China
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      – SubjectFull: Guizhou Sheng (China)
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      – TitleFull: The origin of Ediacaran phosphogenesis event: New insights from Doushantuo Formation in the Danzhai phosphorite deposit, South China.
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