Environmental effects on ammonium adsorption onto clay minerals: Experimental constraints and applications
Abstract Adsorption of ammonium (NH 4+) by clay minerals in soil/sediment and altered
oceanic crust plays an important role in Earth's geological nitrogen cycle by transporting …
oceanic crust plays an important role in Earth's geological nitrogen cycle by transporting …
[HTML][HTML] Equilibrium partitioning and isotopic fractionation of nitrogen between biotite, plagioclase, and K-feldspar during magmatic differentiation
A significant portion of the continental crust is composed of plutonic igneous rocks. However,
little is known about the geochemical behaviour of N between the different minerals during …
little is known about the geochemical behaviour of N between the different minerals during …
A primary magmatic source of nitrogen to Earth's crust
The igneous portion of Earth's continental crust represents a long-term sink of terrestrial
nitrogen, but the origin of the nitrogen in this reservoir remains ambiguous. Possible sources …
nitrogen, but the origin of the nitrogen in this reservoir remains ambiguous. Possible sources …
Reconstructing nitrogen sources to Earth's earliest biosphere at 3.7 Ga
Earth's sedimentary record has preserved evidence of life in rocks of low metamorphic grade
back to about 3.2–3.5 billion years ago (Ga). These lines of evidence include information …
back to about 3.2–3.5 billion years ago (Ga). These lines of evidence include information …
Neoarchaean oxygen-based nitrogen cycle en route to the Great Oxidation Event
The nitrogen isotopic composition of sedimentary rocks (δ15N) can trace redox-dependent
biological pathways and early Earth oxygenation,. However, there is no substantial change …
biological pathways and early Earth oxygenation,. However, there is no substantial change …
Modern analogs for ammonia flux from terrestrial hydrothermal features to the Archean atmosphere
JD Felix - Scientific Reports, 2024 - nature.com
The isotopic composition of nitrogen in the rock record provides valuable evidence of
reactive nitrogen sources and processing on early Earth, but the wide range of δ15N values …
reactive nitrogen sources and processing on early Earth, but the wide range of δ15N values …
Black shales and mesozonal quartz vein‐hosted Au: The Truchas Syncline, Spain and the Harlech Dome, Wales, a comparative study
JK Cunningham, F Gómez‐Fernández… - Geological …, 2023 - Wiley Online Library
A comparative study of quartz vein‐hosted gold occurrences associated with Palaeozoic
metapelites in two areas of Wales and Spain combines new, previously unpublished and …
metapelites in two areas of Wales and Spain combines new, previously unpublished and …
Hydrothermal regeneration of ammonium as a basin-scale driver of primary productivity
Hydrothermal vents are important targets in the search for life on other planets due to their
potential to generate key catalytic surfaces and organic compounds for biogenesis. Less …
potential to generate key catalytic surfaces and organic compounds for biogenesis. Less …
Nitrogenous altered volcanic glasses as targets for Mars sample return: examples from Antarctica and Iceland
Mars exploration is focused on seeking evidence of habitable environments and microbial
life. Terrestrial glassy basalts may be the closest Mars‐surface weathering analog and …
life. Terrestrial glassy basalts may be the closest Mars‐surface weathering analog and …
Iron‐mediated anaerobic ammonium oxidation recorded in the early Archean ferruginous ocean
The nitrogen isotopic composition of organic matter is controlled by metabolic activity and
redox speciation and has therefore largely been used to uncover the early evolution of life …
redox speciation and has therefore largely been used to uncover the early evolution of life …