Trace elements at the intersection of marine biological and geochemical evolution

LJ Robbins, SV Lalonde, NJ Planavsky, CA Partin… - Earth-Science …, 2016 - Elsevier
Life requires a wide variety of bioessential trace elements to act as structural components
and reactive centers in metalloenzymes. These requirements differ between organisms and …

Selenium deficiency risk predicted to increase under future climate change

GD Jones, B Droz, P Greve, P Gottschalk… - Proceedings of the …, 2017 - pnas.org
Deficiencies of micronutrients, including essential trace elements, affect up to 3 billion
people worldwide. The dietary availability of trace elements is determined largely by their …

How Large Igneous Provinces affect global climate, sometimes cause mass extinctions, and represent natural markers in the geological record

RE Ernst, N Youbi - Palaeogeography, palaeoclimatology, palaeoecology, 2017 - Elsevier
Abstract Large Igneous Provinces (LIPs) can have a significant global climatic effect as
monitored by sedimentary trace and isotopic compositions that record paleo …

Microbial selenium metabolism: a brief history, biogeochemistry and ecophysiology

M Wells, JF Stolz - FEMS Microbiology Ecology, 2020 - academic.oup.com
Selenium is an essential trace element for organisms from all three domains of life.
Microorganisms, in particular, mediate reductive transformations of selenium that govern the …

Selenium-containing polymers: perspectives toward diverse applications in both adaptive and biomedical materials

J **a, T Li, C Lu, H Xu - Macromolecules, 2018 - ACS Publications
Selenium is a semimetallic element lying in group XVI of the periodic table with its chemical
properties resembling sulfur. But owing to its relatively low electronegativity and large atomic …

Copper–arsenic decoupling in an active geothermal system: A link between pyrite and fluid composition

D Tardani, M Reich, AP Deditius, S Chryssoulis… - … et Cosmochimica Acta, 2017 - Elsevier
Over the past few decades several studies have reported that pyrite hosts appreciable
amounts of trace elements which commonly occur forming complex zoning patterns within a …

Environmentally driven extinction and opportunistic origination explain fern diversification patterns

S Lehtonen, D Silvestro, DN Karger, C Scotese… - Scientific Reports, 2017 - nature.com
Combining palaeontological and neontological data offers a unique opportunity to
investigate the relative roles of biotic and abiotic controls of species diversification, and the …

Atmosphere oxygen cycling through the Proterozoic and Phanerozoic

RR Large, I Mukherjee, D Gregory, J Steadman… - Mineralium …, 2019 - Springer
Variations in atmosphere oxygen and ocean sulfate concentrations through time are
regarded as important controls on the cycles of sediment-hosted and volcanic-hosted ore …

Ocean and atmosphere geochemical proxies derived from trace elements in marine pyrite: implications for ore genesis in sedimentary basins

RR Large, I Mukherjee, DD Gregory… - Economic …, 2017 - pubs.geoscienceworld.org
Trace element concentrations in marine pyrite, measured by laser ablation-inductively
coupled plasma-mass spectrometry (LA-ICP-MS), have the potential to open a new window …

[HTML][HTML] Large environmental disturbances caused by magmatic activity during the Late Devonian Hangenberg Crisis

A Pisarzowska, M Rakociński, L Marynowski… - Global and Planetary …, 2020 - Elsevier
A wide range of various proxies (eg, mineralogy, organic carbon, inorganic geochemistry, C
and Mo isotopes, and framboidal pyrite) were applied for interpretation of changing oceanic …