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Marine derived Sr-87/Sr-86 in coal, a new key to geochronology and palaeoenvironment: Elucidation of the India-Eurasia and China-Indochina collisions in Yunnan, China
Spiro, Baruch F.1,2; Liu, Jingjing1,3; Dai, Shifeng1,4; Zeng, Rongshu5; Large, David6; French, David7
2019-11-01
Source PublicationINTERNATIONAL JOURNAL OF COAL GEOLOGY
ISSN0166-5162
Volume215Pages:11
AbstractCoal has formed in terrestrial and coastal-marine environments from sub-polar to equatorial regions since the Devonian. It contains detailed long-term records of contemporaneous environment, climate, and subsequent modifications. However, in general, direct chronological information in coal has been sparse. The coal investigated in the present study is from the Mile intermontane basin, Yunnan Province, China, north of an arm of the Mesozoic Tethys Ocean. The coal contains marine geochemical signatures and syngenetic gypsum, common in coastal-marine sediments. The gypsum contains marine-derived Sr and, hence, has geochronological potential. The Sr-87/Sr-86 record (0.708350-0.708591) in the Mile coal agrees with time-calibrated Sr-87/Sr-86 records of marine planktonic foraminifera obtained from core DSDP 588C, 22.25-18.27 Ma (Early Miocene). The peat of the Mile coal was deposited over 4.6 Ma., which possibly is the longest deposition of a coal bed in the world to have been found today, although this duration should include the period of non-peat deposition or erosion if present during the time of the 4.6-Ma. During this period, the regional geological structures were determined by the India-Eurasia collision, which resulted in transform faults with extensive rift structures, including the Mile rhomb-shaped graben. This structural setting enabled the flow of seawater from the South China Sea to reach inland graben structures, including that of the Mile Basin, where peat was deposited. Subsequent deformation caused by the South China-Indochina collision changed the regional structural and geographical-hydrological patterns. This affected the hydrology of the Mile Basin and resulted in its uplift to its present-day elevation of 1350 m. This study is, to our knowledge, the first to use the marine-derived Sr-87/Sr-86 indicator and chronometer in coal. At present, marine-influenced peals generated in coastal salt marshes extend from the Arctic Ocean (Alaska and Siberia) in the north, to Patagonia and New Zealand in the south, while mangrove forests abound in equatorial and low-latitude coastal areas. The Sr-87/Sr-86 record of marine-influenced coal in this study area, provides a key for the determination of age-duration-rate of geological processes in the inland basin, associated with the closure of the Tethys Ocean. Results indicate that this method has potential for providing a temporal framework for geological events and processes in other areas. These may be found near marine shore lines across the globe dating back to the Devonian. Moreover, the Sr-87/Sr-86 signal in marine-influenced coal can be used for correlation with the well-established Sr-87/Sr-86 chronology of marine planktonic foraminifera. In turn, the Sr-87/Sr-86 signal provides a basis for correlating terrestrial records of climate and environment contained in this type of coal and associated sediments, with those of marine sediments, such as those based on delta O-18 in planktonic foraminifera.
KeywordCoal Strontium isotopes Geochronology Palaeoenvironment Terrestrial-marine correlation China-Indochina collision
DOI10.1016/j.coal.2019.103304
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; "111" Project ; "111" Project ; Program for Changjiang Scholars and Innovative Research Team in University ; Program for Changjiang Scholars and Innovative Research Team in University ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; "111" Project ; "111" Project ; Program for Changjiang Scholars and Innovative Research Team in University ; Program for Changjiang Scholars and Innovative Research Team in University ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; "111" Project ; "111" Project ; Program for Changjiang Scholars and Innovative Research Team in University ; Program for Changjiang Scholars and Innovative Research Team in University ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; "111" Project ; "111" Project ; Program for Changjiang Scholars and Innovative Research Team in University ; Program for Changjiang Scholars and Innovative Research Team in University
WOS KeywordRIVER SHEAR ZONE ; CARBONATE SUCCESSIONS ; CONTINENTAL EXTRUSION ; FRESH-WATER ; U-PB ; COALFIELD ; BASIN ; GEOCHEMISTRY ; RESOLUTION ; BOUNDARY
Language英语
Funding ProjectNational Natural Science Foundation of China[41420104001] ; National Natural Science Foundation of China[41902164] ; "111" Project[B17042] ; Program for Changjiang Scholars and Innovative Research Team in University[IRT_17R104]
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; "111" Project ; "111" Project ; Program for Changjiang Scholars and Innovative Research Team in University ; Program for Changjiang Scholars and Innovative Research Team in University ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; "111" Project ; "111" Project ; Program for Changjiang Scholars and Innovative Research Team in University ; Program for Changjiang Scholars and Innovative Research Team in University ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; "111" Project ; "111" Project ; Program for Changjiang Scholars and Innovative Research Team in University ; Program for Changjiang Scholars and Innovative Research Team in University ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; "111" Project ; "111" Project ; Program for Changjiang Scholars and Innovative Research Team in University ; Program for Changjiang Scholars and Innovative Research Team in University
WOS Research AreaEnergy & Fuels ; Geology
WOS SubjectEnergy & Fuels ; Geosciences, Multidisciplinary
WOS IDWOS:000497256800004
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/95804
Collection离退休科研人员
Corresponding AuthorDai, Shifeng
Affiliation1.China Univ Min & Technol, State Key Lab Coal Resources & Safe Min, Beijing, Peoples R China
2.Nat Hist Museum, Dept Earth Sci, Cromwell Rd, London SW7 5BD, England
3.China Univ Min & Technol, Sch Resources & Geosci, Xuzhou 221116, Jiangsu, Peoples R China
4.China Univ Min & Technol, Coll Geosci & Survey Engn, Beijing 100083, Peoples R China
5.Chinese Acad Sci, Inst Geol & Geophys, Beijing, Peoples R China
6.Univ Nottingham, Dept Chem & Environm Engn, Nottingham Rd, Nottingham, England
7.Univ New South Wales, Sch Biol Earth & Environm Sci, Sydney, NSW, Australia
Recommended Citation
GB/T 7714
Spiro, Baruch F.,Liu, Jingjing,Dai, Shifeng,et al. Marine derived Sr-87/Sr-86 in coal, a new key to geochronology and palaeoenvironment: Elucidation of the India-Eurasia and China-Indochina collisions in Yunnan, China[J]. INTERNATIONAL JOURNAL OF COAL GEOLOGY,2019,215:11.
APA Spiro, Baruch F.,Liu, Jingjing,Dai, Shifeng,Zeng, Rongshu,Large, David,&French, David.(2019).Marine derived Sr-87/Sr-86 in coal, a new key to geochronology and palaeoenvironment: Elucidation of the India-Eurasia and China-Indochina collisions in Yunnan, China.INTERNATIONAL JOURNAL OF COAL GEOLOGY,215,11.
MLA Spiro, Baruch F.,et al."Marine derived Sr-87/Sr-86 in coal, a new key to geochronology and palaeoenvironment: Elucidation of the India-Eurasia and China-Indochina collisions in Yunnan, China".INTERNATIONAL JOURNAL OF COAL GEOLOGY 215(2019):11.
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