acaran Doushantuo Formation is usually divided into four strati-graphic members based on facies variations (Jiang et al., 2011). Two lithologic marker beds, the cap carbonate (Member I) at the …
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Recent geochemical studies of the Doushantuo Formation (ca. 635–551 Ma) in South China suggested that the Ediacaran ocean was strongly stratified, with an oxic surface …
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The Ediacaran Doushantuo Formation, which constrained between 635.2 ± 0.6 Ma and 551.1 ± 0.7 Ma by zircon U–Pb ages of interbedded volcanic ash, is underlain closely by …
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Here, we greatly extend the known distribution of this Doushantuo-type biota in reporting an Ediacaran Lagerstätte from Laurentia (Portfjeld Formation, North Greenland), with …
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The Ediacaran Doushantuo Formation in the Yangtze Gorges of South China plays an important role in our understanding of biological evolution, global correlation, and ocean …
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More specimens of small spinose acritarchs (SSAs, <100 μm in vesicle diameter) were obtained from the Doushantuo phosphorites at Weng'an, central Guizhou Province, and …
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This age was from an ash bed 2.3 m above the base of the Doushantuo Formation (within the cap carbonate). From an adjacent section in the same area, an ash bed 5 m above the …
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The Doushantuo Formation is a recently discovered lagerstätte in Guizhou Province, China that is most notable for its scientific contributions in the hunt for Precambrian life.
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Throughout the rest of the Doushantuo at Wuhe, organic-rich black shales are the dominant lithology (extending over 10s of meters in mid-Members II and III), but these shales …
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Recent works suggested that deposition of the Ediacaran Doushantuo organic-rich shales in the Yangtze Block were controlled by both the Rodinia Supercontinent extensional rift …
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The Doushantuo Formation contains an exceptionally preserved biota consisting of globular microfossils interpreted as animal embryos, acritarchs and algae, and is regarded as …
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The Ediacaran ocean (635-541 million years ago) is typically viewed as a stagnant, redox-stratified ocean with low phosphorus availability. However, this contradicts the high total organic carbon ...
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Current Ediacaran chronostratigraphy and global correlations indicate that the upper Doushantuo/Wonoka/Shuram negative δ 13 C excursion ranges from ca. 560 Ma to 551 Ma, …
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The Doushantuo Formation of South China is one of the key sedimentary units in the world for understanding Ediacaran geobiological processes. Sequence and high-resolution …
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This paper presents a detailed stratigraphic, sedimentological and mineralogical study of multiple outcrop and drill core sections of the Doushantuo Formation across the …
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The Doushantuo Formation in the Yangtze Gorges area where the stratotype section is located was deposited in a shelf-lagoon environment and has long been used as the …
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Here, the base of the Doushantuo Formation is a ∼5-m-thick cap carbonate that is similar in thickness and sedimentary structures to the cap carbonate at JLW (Jiang et al., 2011, …
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The Doushantuo Formation at Weng'an in Guizhou Province, South China, is best known for animal embryo-like microfossils preserved in phosphorites. However, this unit also contains a …
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سنگ میزبان این محدوده از سازند پابده با سن پالئوسن پسین ـ الیگوسن پیشین تشکیل شده است. سنگهای محدوده شیلهای خاکستری به همراه با لایههای فسفریت و لایههای نازک آهک مارنی و آهک چرتدار است.
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The animal embryos are preserved in the Upper Phosphate Member (or Weng'an Phosphate Member, ca. 580 Myr) of the Doushantuo Formation at Weng'an phosphate mining …
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The Yangtze Platform in South China is considered a key site for studying Neoproterozoic ocean oxygenation. Comprehensive Cr concentration and isotopic signatures …
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The Weng'an Biota is a fossil Konservat-Lagerstätte in South China that is c. 570 – 609 myr old and provides an unparalleled snapshot of marine life during the interval in which …
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Silicified microfossils are reported from nine stratigraphic sections of the Ediacaran Doushantuo Formation deposited in shelf margin, slope, and basin environments in Hunan …
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An, Stratigraphic position of the Ediacaran Miaohe biota and its constrains on the age of the upper Doushantuo δ13C anomaly in the Yangtze Gorges area, South China, Precambrian. Res., № …
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Doushantuo Formation is of great accumulation conditions for oil and gas. The Z2d2 has high quality hydrocarbon source rock, which is of great thickness, high organic carbon …
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The Ediacaran Period [635 to 539 million years (Ma) ago] is a pivotal period in Earth history, archiving the rise of complex macroscopic life ().This evolutionary milestone occurred …
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A comparative analysis of the sedimentary characteristics and environment of these two rifts was conducted through the analysis of the outcrops, drilling, and geophysical data of Doushantuo …
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The Ediacaran Doushantuo Formation (ca. 635–551 Ma) in South China contains exceptionally well-preserved fossils of multicellular eukaryotes including early animals, and it is …
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BREAKING NEWS. See our Latest Research and our Twitter feed.. POTENTIAL GRADUATE STUDENTS: The deadline for Geosciences applications for fall 2025 is in early January 2026. …
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In the past few decades, abundant DPAs have been reported from chert nodules and phosphorites of the lower–middle Ediacaran Doushantuo Formation in the Yangtze Block …
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the upper Member 3 of the Doushantuo Formation, with paleomagnetic sites labeled. The diameter of paleomagnetic drilling holes is ∼2.5cm. In this paper, we report new paleomagnetic …
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The Doushantuo Formation (ca. 635–551 Ma) in South China is one of the most intensively investigated Ediacaran stratigraphic units owing to its exceptionally well-preserved …
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The Doushantuo Formation displays a large spatial variation in stratigraphic thickness (>29–260 m) and generally has low apparent sedimentation rates over 85 Myr (as …
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Nearly 90% of the Ediacaran Period (635–541 Ma) of the Neoproterozoic is represented by the Doushantuo Formation (DST Fm) in South China. Its lowest Member I is a …
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The Doushantuo and correlative strata record a fundamental shift from an interval of large carbon isotopic anomalies corresponding to glacial episodes (750 to 580 Ma) to an interval of anomalies unrelated to obvious …
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The Ediacaran Period was a critical time in the history of life and Earth. Understanding the complex interactions between geological and biological ev…
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Phosphatized microfossils in the Ediacaran (635 - 542 Myr ago) Doushantuo Formation, south China, have been interpreted as the embryos of early animals. Despite experimental …
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Neoproterozoic Doushantuo Formation, China Daniel Condon,1* Maoyan Zhu,2 Bowring,1 Wei Wang,2 Aihua Yang,2 Yugan Jin2 U-Pb zircon dates from volcanic ash …
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