Results 41 to 50 of about 1,278 (244)

Ocean redox structure across the Late Neoproterozoic Oxygenation Event: A nitrogen isotope perspective [PDF]

, 2014
International audienceThe end of the Neoproterozoic Era (1000 to 541 Ma) is widely believed to have seen the transition from a dominantly anoxic to an oxygenated deep ocean.
Ader, Magali,, Busigny, Vincent,, Halverson, Galen,, Kunzmann, Marcus,, Nogueira, Afonso C. R., Sansjofre, Pierre,, Trindade, Ricardo I. F.   +6 more
core   +5 more sources

Chemically Oscillating Reactions during the Diagenetic Formation of Ediacaran Siliceous and Carbonate Botryoids [PDF]

, 2021
Chemically oscillating reactions are abiotic reactions that produce characteristic, periodic patterns during the oxidation of carboxylic acids. They have been proposed to occur during the early diagenesis of sediments that contain organic matter and to ...
Devine, KG, Liu, D, Papineau, D, She, Z, Yin, J   +4 more
core   +1 more source

Interaction of magma with sedimentary wall rock and magnetite ore genesis in the Panzhihua mafic intrusion, SW China [PDF]

, 2008
International audienceIn SW China, several large magmatic Fe-Ti-V oxide ore deposits are hosted by gabbroic intrusions associated with the Emeishan flood basalts.
Arndt, Nicholas, Chauvel, Catherine, Gaillard, Fabrice, Ganino, Clément, Zhou, Mei-Fu   +4 more
core   +4 more sources

New observations of Ambient Inclusion Trails (AITs) and pyrite framboids in the Ediacaran Doushantuo Formation, South China [PDF]

, 2016
Ambient Inclusion Trails (AITs) are intriguing microtubular structures that commonly occur in association with pyrite in Precambrian organic-rich cherts and phosphorites.
Li, C, Liu, W, Papineau, D, She, Z-B, Song, J, Strother, P, Zhang, Y, Zhang, Y-T   +7 more
core   +1 more source

Selenium isotope evidence for progressive oxidation of the Neoproterozoic biosphere [PDF]

, 2015
Neoproterozoic (1,000–542 Myr ago) Earth experienced profound environmental change, including ‘snowball’ glaciations, oxygenation and the appearance of animals.
A Fernandez-Martinez, AD Anbar, AD Rooney, C Archer, CM Dehler, CM Dehler, CM Dehler, CR Pearce, D Layton-Matthews, DE Canfield, DE Canfield, DE Canfield, DT Johnston, EE Stüeken, EE Stüeken, EE Stüeken, EE Stüeken, F Ohnemueller, FA Macdonald, FT Mackenzie, G Shields-Zhou, GA Cutter, GA Cutter, GA Cutter, GD Love, GM Narbonne, GM Narbonne, GP Halverson, HJ Wen, HJ Wen, J Carignan, JM Zhu, JP Gustafsson, K Mitchell, K Mitchell, K Schilling, KE Karlstrom, L Charlet, LM Och, M Gallagher, M Pettine, M Williams, NJ Planavksy, O Rouxel, PAE Pogge von Strandmann, PF Hoffman, R Frei, RL Poulson, RR Large, SA Kasemann, SA Kasemann, SB Baines, SK Clark, SK Sahoo, SW Poulton, T Goldberg, T Goldberg, TM Johnson, TM Lenton, TR Kulp, WA Yonkee, XF Li   +61 more
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Uncovering the spatial heterogeneity of Ediacaran carbon cycling [PDF]

, 2016
Author Posting. © The Author(s), 2016. This is the author's version of the work. It is posted here under a nonexclusive, irrevocable, paid-up, worldwide license granted to WHOI. It is made available for personal use, not for redistribution.
Algeo, Thomas J., An, Zhihui, Cheng, Meng, Hardisty, Dalton S., Huang, Junhua, Jiao, Nianzhi, Li, Chao, Luo, Genming, Lyons, Timothy W., Shi, Wei, Tong, Jinnan, Xie, Shucheng   +11 more
core   +1 more source

Sinian hydrocarbon accumulation conditions and exploration potential at the northwest margin of the Yangtze region, China

Petroleum Exploration and Development, 2022
Based on outcrop, drilling, logging and seismic data, the reservoir forming conditions, reservoir forming model and exploration potential of the ultra-deep Sinian Dengying Formation at the northwest margin of Yangtze craton region were examined. (1) This
Yu YANG, Zecheng WANG, Long WEN, Wuren XIE, Xiaodong FU, Wenzheng LI   +5 more
doaj   +1 more source

Eumetazoan Fossils in Terminal Proterozoic Phosphorites? [PDF]

, 2014
Phosphatic sedimentary rocks preserve a record of early animal life different from and complementary to that provided by Ediacaran fossils in terminal Proterozoic sandstones and shales. Phosphorites of the Doushantuo Formation. South China. contain eggs,
Knoll, Andrew Herbert, Xiao, Shuhai, Yuan, Xunlai   +2 more
core   +1 more source

Phosphogenesis in the 2460 and 2728 million-year-old banded iron formations as evidence for biological cycling of phosphate in the early biosphere [PDF]

, 2013
The banded iron formation deposited during the first 2 billion years of Earth's history holds the key to understanding the interplay between the geosphere and the early biosphere at large geological timescales.
Chan, LS, Li, Y, Sun, S
core   +1 more source

The Weng’an Biota (Doushantuo Formation):an Ediacaran window on soft bodied and multicellular microorganisms [PDF]

, 2017
The Weng’an Biota is a fossil Konservat-Lagerstätte in South China that is approximately 570-600 million years old and provides an unparalleled snapshot of marine life during the interval in which molecular clocks estimate that animal clades were ...
Cunningham, John A., Vargas, Kelly, Yin, Zongjun, Bengtson, Stefan, Donoghue, Philip C.J.   +4 more
core   +1 more source