Iron Isotope Systematics | Reviews in Mineralogy and Geochemistry | GeoScienceWorld
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The largest Fe isotope fractionations occur during redox changes, as well as differences in
bonding, but these are expressed only in natural environments in which significant …

Biological activity is a major factor in Earth's chemical cycles, including facilitating CO2
sequestration and providing climate feedbacks. Thus a key question in Earth's evolution is …

Iron formations are economically important sedimentary rocks that are most common in
Precambrian sedimentary successions. Although many aspects of their origin remain …

Construction and assembly of the Geologic Time Scale involves:(a) constructing a relative
(chronostratigraphic) standard scale for key periods in the Earth's rock record;(b) identifying …

Introduction to Geomicrobiology is a timely and comprehensive overview of how microbial
life has affected Earth's environment through time. It shows how the ubiquity of …

The isotopic composition of U in nature is generally assumed to be invariant. Here, we report
variations of the 238U/235U isotope ratio in natural samples (basalts, granites, seawater …

The iron isotopic compositions of 93 well-characterized basalts from geochemically and
geologically diverse mid-ocean ridge segments, oceanic islands and back arc basins were …

Considered esoteric only a few years ago, research into the stable isotope geochemistry of
transition metals is moving into the geoscience mainstream. Although initial attention …

High-precision Fe isotopic data for 104 samples, including modern and ancient (≥ 3.7 Ga)
subduction-related magmas and mantle peridotites, are presented. These data demonstrate …