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Phosphorus availability on the early Earth and the impacts of life
Phosphorus (P) is critical to modern biochemical functions and can control ecosystem
growth. It was presumably important as a reagent in prebiotic chemistry. However, on the …
growth. It was presumably important as a reagent in prebiotic chemistry. However, on the …
The geologic history of primary productivity
The rate of primary productivity is a keystone variable in driving biogeochemical cycles
today and has been throughout Earth's past. 1 For example, it plays a critical role in …
today and has been throughout Earth's past. 1 For example, it plays a critical role in …
[HTML][HTML] Timing the evolution of phosphorus-cycling enzymes through geological time using phylogenomics
Phosphorus plays a crucial role in controlling biological productivity, but geological
estimates of phosphate concentrations in the Precambrian ocean, during life's origin and …
estimates of phosphate concentrations in the Precambrian ocean, during life's origin and …
The early Earth as an analogue for exoplanetary biogeochemistry
Planet Earth has evolved over the past 4.5 billion years from an entirely anoxic planet with
possibly a different tectonic regime to the oxygenated world with horizontal plate tectonics …
possibly a different tectonic regime to the oxygenated world with horizontal plate tectonics …
Nanoparticulate apatite and greenalite in oldest, well-preserved hydrothermal vent precipitates
Paleoarchean jaspilites are used to track ancient ocean chemistry and photoautotrophy
because they contain hematite interpreted to have formed following biological oxidation of …
because they contain hematite interpreted to have formed following biological oxidation of …
[HTML][HTML] Refining the carbonate-associated iodine redox proxy with leaching experiments
Iodate ions can substitute for carbonate in crystal lattices, which is why carbonate-
associated iodine (CAI) is increasingly being used to track redox-sensitive iodine species …
associated iodine (CAI) is increasingly being used to track redox-sensitive iodine species …
Isotopic Constraints on the Nature of Primary Precipitates in Archean–Early Paleoproterozoic Iron Formations from Determinations of the Iron Phonon Density of States …
Iron formations (IFs) are chemical sedimentary rocks that were widely deposited before the
Great Oxidation Event (GOE) around 2.4–2.2 Ga. It is generally thought that IFs precipitated …
Great Oxidation Event (GOE) around 2.4–2.2 Ga. It is generally thought that IFs precipitated …
Elevated phosphorus concentrations in shallow oceans as a trigger for the 1.57‐Ga oxygenation event
Enhanced continental phosphorus (P) input into the oceans has been proposed as a
potential trigger for the 1.57 Ga oxygenation event; however, uncertainty remains due to the …
potential trigger for the 1.57 Ga oxygenation event; however, uncertainty remains due to the …
EONS: A new biogeochemical model of Earth's oxygen, carbon, phosphorus, and nitrogen systems from the Archean to the present
Abstract We present Earth's Oxygenation and Natural Systematics (EONS): a new, fully
coupled biogeochemical model of the atmosphere, ocean, and their interactions with the …
coupled biogeochemical model of the atmosphere, ocean, and their interactions with the …
Questioning the paradigm of a phosphate‐limited Archean biosphere
The nature of Archean life remains one of the most contested topics in the study of Earth
history. The debate may be formulated as follows: When did present day metabolisms …
history. The debate may be formulated as follows: When did present day metabolisms …