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Geochemical and petrographic evidence for the co-occurrence of races B and L of Botryococcus braunii in the Maoming oil shales, China
Lu, Hong1,2; Zhang, Yujiao1,2,3; Peng, Qiao4; Ji, Liming5; Zhang, Mingzhen5; Peng, Ping'an1,2; Sheng, Guoying1,2; Liu, Dehan1,2
2018-11-01
Source PublicationORGANIC GEOCHEMISTRY
ISSN0146-6380
Volume125Pages:14-23
AbstractAround 30 Maoming oil shale samples were collected and analyzed geochemically to investigate their biomarker compositions. C-31 and C-33 botryococcanes were abundant in some samples whilst high contents of lycopanes (C-39 and C-40) and a monoaromatic lycopane derivative with concomitant occurrence of botryococcanes were also detected in other samples. These indicate that the fossils of the races B and L of Botryococcus braunii co-exist in the Maoming sediments thus providing an excellent opportunity to explore the morphological differences of two races of B. braunii. Different preparation and observation methods were carried out for better and detailed morphological observations enabling the fossil characters between race B and L of B. braunii to be recognized. Better observations were obtained using white fluorescence transmitted light under UV-induced fluorescence microscopy because yellow fluorescence was avoided. Race B of B. braunii has polygonal cup mouths and is often covered by an envelope. However, race L has a relatively smaller colony size and round cup mouth. The co-occurrence of race B and L of B. braunii in Maoming sediments possibly implies a tropical to subtropical climate during the Late Eocene-Oligocene period in the study area. (C) 2018 Elsevier Ltd. All rights reserved.
KeywordB. braunii Botryococcanes Lycopanes Monoaromatic lycopane Race B Race L Fossils
DOI10.1016/j.orggeochem.2018.08.006
Funding OrganizationStrategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Key R&D Program of China ; National Key R&D Program of China ; NSFC ; NSFC ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Key R&D Program of China ; National Key R&D Program of China ; NSFC ; NSFC ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Key R&D Program of China ; National Key R&D Program of China ; NSFC ; NSFC ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Key R&D Program of China ; National Key R&D Program of China ; NSFC ; NSFC
WOS KeywordRESISTANT BIO-POLYMER ; CHEMICAL-STRUCTURE ; ORGANIC-MATTER ; TETRATERPENOID HYDROCARBON ; ISOPRENOID ALGAENAN ; BIOMARKER EVIDENCE ; OLIGOCENE CLIMATE ; EOCENE ; STRAINS ; PYROLYSIS
Language英语
Funding ProjectStrategic Priority Research Program of the Chinese Academy of Sciences[XDA14010102] ; National Key R&D Program of China[2017YFC0603102] ; NSFC[41673066] ; NSFC[41473045] ; NSFC[41673045]
Funding OrganizationStrategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Key R&D Program of China ; National Key R&D Program of China ; NSFC ; NSFC ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Key R&D Program of China ; National Key R&D Program of China ; NSFC ; NSFC ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Key R&D Program of China ; National Key R&D Program of China ; NSFC ; NSFC ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Key R&D Program of China ; National Key R&D Program of China ; NSFC ; NSFC
WOS Research AreaGeochemistry & Geophysics
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:000448941300002
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/89148
Collection兰州油气中心
Corresponding AuthorLu, Hong; Ji, Liming
Affiliation1.Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Inst Earth Sci, Guangzhou 510640, Guangdong, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Shandong Univ Sci & Technol, Shandong Prov Key Lab Deposit Mineralizat & Sedim, Qingdao 310003, Peoples R China
5.Chinese Acad Sci, Inst Geol & Geophys, Gansu Prov Key Lab Petr Resources Res, Key Lab Petr Resources, Lanzhou 730000, Gansu, Peoples R China
Recommended Citation
GB/T 7714
Lu, Hong,Zhang, Yujiao,Peng, Qiao,et al. Geochemical and petrographic evidence for the co-occurrence of races B and L of Botryococcus braunii in the Maoming oil shales, China[J]. ORGANIC GEOCHEMISTRY,2018,125:14-23.
APA Lu, Hong.,Zhang, Yujiao.,Peng, Qiao.,Ji, Liming.,Zhang, Mingzhen.,...&Liu, Dehan.(2018).Geochemical and petrographic evidence for the co-occurrence of races B and L of Botryococcus braunii in the Maoming oil shales, China.ORGANIC GEOCHEMISTRY,125,14-23.
MLA Lu, Hong,et al."Geochemical and petrographic evidence for the co-occurrence of races B and L of Botryococcus braunii in the Maoming oil shales, China".ORGANIC GEOCHEMISTRY 125(2018):14-23.
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