Geochemistry articles within Nature Geoscience

Featured

  • All Minerals Considered |

    From the tools of Stone Age ancestors to records of Earth’s history, Yang Li and Xian-Hua Li explore how the properties of quartz place it at the heart of human innovation.

    • Yang Li
    •  & Xian-Hua Li

  • Article |

    Manganese oxidation experiments in Mars-like fluids suggest that chlorate and bromate may have been more effective oxidants of manganese on early Mars than atmospheric oxygen and explain observed manganese oxide deposits.

    • Kaushik Mitra
    • , Eleanor L. Moreland
    •  & Jeffrey G. Catalano

  • News & Views |

    Mediation by iron minerals in the non-biological production of nitrous and nitric oxides may have driven the nitrogen cycle in the Archean ocean. This system may also have shaped the function and composition of the early marine ecosystem.

    • Manabu Nishizawa

  • Article |

    Neoarchaean arc magmas in Superior Province, Canada, were relatively oxidized and sulfur rich, reaching compositions comparable to modern subduction zones by approximately 2.7 Ga, according to analysis of sulfur speciation in zircon-hosted apatite grains.

    • Xuyang Meng
    • , Adam C. Simon
    •  & Jeremy P. Richards

  • Q&A |

    Nature Geoscience spoke with Dr Qingyang Hu, a high-pressure mineralogist at HPSTAR; Prof. Suzan van der Lee, a geophysicist at Northwestern University; and Prof. Katherine Kelley, a geochemist at the University of Rhode Island about their work and what the future of deep-water research might bring.

    • Rebecca Neely

  • Editorial |

    Research efforts from across the geosciences are uncovering how water deep within the Earth affects its fundamental workings.

  • All Minerals Considered |

    Jörg Hermann suggests that as the process of serpentinization leads to clean energy generation, metal separation and carbon sequestration, it could serve as a natural analogue for a sequential economy.

    • Jörg Hermann

  • Editorial |

    Permeating every aspect of life – and each with a multitude of stories to tell – we celebrate the utility, beauty and wonder of minerals in a new column: all minerals considered.

  • Perspective |

    Enhancing natural subsurface hydrogen production through water injection could make a substantial contribution to achieving the low-carbon energy transition that is required to limit global warming.

    • F. Osselin
    • , C. Soulaine
    •  & M. Pichavant

  • All Minerals Considered |

    Bruce Fouke explores the biomineralization of calcium oxalate and apatite kidney stones and the opportunities that lie at the intersection of geology, biology and medicine; a transdisciplinary effort traced back some 350 years.

    • Bruce W. Fouke

  • News & Views |

    The colonization of Earth landmasses by vascular plants around 430 million years ago substantially impacted erosion and sediment transport mechanisms. This left behind fingerprints in magmatic rocks, linking the evolution of Earth’s biosphere with its internal processes.

    • Nicolas D. Greber

  • Article |

    Colonization of continents by plants some 430 Myr ago enhanced the complexity of weathering and sedimentary systems, and altered the composition of continental crust, according to statistical assessment of zircon compositions.

    • Christopher J. Spencer
    • , Neil S. Davies
    •  & Gui-Mei Lu

  • News & Views |

    The structure of the overriding plate may control bending and water ingress into the subducting plate based on an exceptional 3D velocity model of the Nankai subduction zone.

    • Donna J. Shillington

  • Article |

    Oceanic crust subduction sequesters substantial amounts of argon in the Earth’s mantle, while atmosphere-derived argon affects only the isotopic composition and not the overall budget, according to geodynamic–geochemical models of mantle convection.

    • Jonathan M. Tucker
    • , Peter E. van Keken
    •  & Chris J. Ballentine

  • News & Views |

    Evaporative loss of sulfur from molten planetesimals can explain the sub-chondritic sulfur isotope composition of the bulk silicate mantle, suggesting an important role for planetesimal evaporation in establishing Earth’s volatile budget.

    • Yuan Li

  • Article |

    The release of carbon dioxide during oxidative weathering of sedimentary rocks acts as a positive feedback to warming, according to 2.5 years of CO2 flux measurements from the Draix-Bléone Critical Zone Observatory, France.

    • Guillaume Soulet
    • , Robert G. Hilton
    •  & Caroline Le Bouteiller

  • Article |

    Central European multidecadal climate variability was subdued during cold stadials through the last glacial cycle due to atmospheric and oceanic circulation shifts, according to almost annual-resolution terrestrial climate proxy records from varved maar lakes in Germany.

    • Frank Sirocko
    • , Alfredo Martínez-García
    •  & Gerald H. Haug

  • Article |

    The carbon concentration of Earth’s upper mantle increases with depth, indicating a role for carbon in melt formation, according to data on magmatic gases and volcanic rocks from ocean island and continental rift settings around the world.

    • Alessandro Aiuppa
    • , Federico Casetta
    •  & Giancarlo Tamburello

  • Article
    | Open Access

    Rotational deceleration has increased daylength on Earth, potentially linking the increased burial of organic carbon by cyanobacterial mats and planetary oxygenation, according to experiments and modelling of Precambrian benthic ecosystems.

    • J. M. Klatt
    • , A. Chennu
    •  & G. J. Dick

  • Article |

    Transformation kinetics of olivine may be a cause of deep-focus earthquakes even in wet slabs, according to water-partitioning experiments, which show that olivine remains relatively dry even under wet subducting slab conditions.

    • Takayuki Ishii
    •  & Eiji Ohtani

  • News & Views |

    Warm and wet conditions could have episodically punctuated a generally cold early climate on Mars, according to a multidisciplinary modelling approach that potentially solves a five-decade long debate regarding warm conditions on early Mars.

    • Nicolas Mangold

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