Deep-water first occurrences of Ediacara biota prior to the Shuram carbon isotope excursion in the Wernecke Mountains, Yukon, Canada [0.03%]
加拿大育空地区温尼科山脉深层水域埃迪卡拉生物群出现在雪拉碳同位素偏移之前事件之前的出现
Thomas H Boag,James F Busch,Jared T Gooley et al.
Thomas H Boag et al.
Ediacara-type macrofossils appear as early as ~575 Ma in deep-water facies of the Drook Formation of the Avalon Peninsula, Newfoundland, and the Nadaleen Formation of Yukon and Northwest Territories, Canada. Our ability to assess whether a ...
The paleoredox context of early eukaryotic evolution: insights from the Tonian Mackenzie Mountains Supergroup, Canada [0.03%]
太古代真核生物演化的古氧化环境：来自加拿大麦肯齐山脉超群吐尼安期地层的启示
Katie M Maloney,Galen P Halverson,Maxwell Lechte et al.
Katie M Maloney et al.
Tonian (ca. 1000-720 Ma) marine environments are hypothesised to have experienced major redox changes coinciding with the evolution and diversification of multicellular eukaryotes. In particular, the earliest Tonian stratigraphic record fea...
Origin and modern microbial ecology of secondary mineral deposits in Lehman Caves, Great Basin National Park, NV, USA [0.03%]
美国大盆地国家公园莱曼洞穴次生矿物沉积物的起源及其现代微生物生态体系
Zoë E Havlena,Louise D Hose,Harvey R DuChene et al.
Zoë E Havlena et al.
Lehman Caves is an extensively decorated high desert cave that represents one of the main tourist attractions in Great Basin National Park, Nevada. Although traditionally considered a water table cave, recent studies identified abundant spe...
Evaluating the multiple sulfur isotope signature of Eoarchean rocks from the Isua Supracrustal Belt (Southwest-Greenland) by MC-ICP-MS: Volcanic nutrient sources for early life [0.03%]
多硫同位素质谱技术测定伊苏阿超变带太古宙火山岩中的硫同位素组成：早期生命的火山营养来源
Jane E Macdonald,Patrick Sugden,Matthew Dumont et al.
Jane E Macdonald et al.
On the anoxic Archean Earth, prior to the onset of oxidative weathering, electron acceptors were relatively scarce, perhaps limiting microbial productivity. An important metabolite may have been sulfate produced during the photolysis of vol...
Calcium isotope fractionation by intracellular amorphous calcium carbonate (ACC) forming cyanobacteria [0.03%]
细胞内无定形碳酸钙形成的蓝藻的钙同位素分馏效应
Neha Mehta,Harold Bradbury,Karim Benzerara
Neha Mehta
The formation of intracellular amorphous calcium carbonate (ACC) by various cyanobacteria is a widespread biomineralization process, yet its mechanism and importance in past and modern environments remain to be fully comprehended. This stud...
Preserved particulate organic carbon is likely derived from the subsurface sulfidic photic zone of the Proterozoic Ocean: evidence from a modern, oxygen-deficient lake [0.03%]
保存的有机碳颗粒可能源自前寒武纪海洋缺氧光合层：来自现代低氧湖泊的证据
Ashley B Cohen,Lisa N Christensen,Felix Weber et al.
Ashley B Cohen et al.
Biological processes in the Proterozoic Ocean are often inferred from modern oxygen-deficient environments (MODEs) or from stable isotopes in preserved sediment. To date, few MODE studies have simultaneously quantified carbon fixation genes...
Nubecularia-coralline algal-serpulid-microbial bioherms of the Paratethys Sea-Distribution and paleoecological significance (upper Serravallian, upper Sarmatian, Middle Miocene) [0.03%]
副特提斯海的Nubecularia-石珊瑚虫-蠕虫-微生物礁体-分布及古生态意义（Serravallian晚期，Sarmatian晚期，中新世中期）
Werner E Piller,Mathias Harzhauser
Werner E Piller
Nubecularia bioherms represent unique bioconstructions that are restricted to the upper Serravallian of the Paratethys and have been reported since the 19th century. They occur in the Central Paratethys in the late Sarmatian and the Eastern...
Comprehensive molecular-isotopic characterization of archaeal lipids in the Black Sea water column and underlying sediments [0.03%]
黑海水柱及底层沉积物中古菌脂类的综合分子同位素特征分析
Qing-Zeng Zhu,Marcus Elvert,Travis B Meador et al.
Qing-Zeng Zhu et al.
The Black Sea is a permanently anoxic, marine basin serving as model system for the deposition of organic-rich sediments in a highly stratified ocean. In such systems, archaeal lipids are widely used as paleoceanographic and biogeochemical ...
Groundwater microbial communities reflect geothermal activity on volcanic island [0.03%]
火山岛上地下水微生物群落反映地质活动
Sheree J Watson,Cédric Arisdakessian,Maria Petelo et al.
Sheree J Watson et al.
Studies of the effects of volcanic activity on the Hawaiian Islands are extremely relevant due to the past and current co-eruptions at both Mauna Loa and Kīlauea. The Big Island of Hawai'i is one of the most seismically monitored volcanic ...
Hydrogeological controls on microbial activity and habitability in the Precambrian continental crust [0.03%]
前寒武纪大陆地壳中水文地质对微生物活动和宜居性的影响
Min Song,Oliver Warr,Jon Telling et al.
Min Song et al.
Earth's deep continental subsurface is a prime setting to study the limits of life's relationship with environmental conditions and habitability. In Precambrian crystalline rocks worldwide, deep ancient groundwaters in fracture networks are...