Constraints on oxygen fugacity within metal capsules

The Aurora volcanic field, California-Nevada: oxygen fugacity constraints on the development of andesitic magma

The Aurora volcanic field, located along the northeastern margin of Mono Lake in the Western Great Basin, has erupted a diverse suite of high-K and shoshonitic lava types, with 48 to 76 wt% SiO2, over the last 3.6 million years. There is no correlation between the age and composition of the lavas. Three-quarters of the volcanic field consists of evolved (,4 wt% MgO) basaltic andesite and andesi...

Oxygen Fugacity at High Pressure: Equations of State of Metal-oxide Pairs. A

Introduction: Oxygen fugacity (fO 2) varies by orders of magnitude in nature, and can induce profound changes in the chemical state of a substance, and also in the chemical equilibrium of multicomponent systems. One prominent area in high pressure geochemistry, in which fO 2 is widely recognized as a principal controlling factor, is that of metal-silicate partitioning of siderophile trace eleme...

Extreme low oxygen and decreased pH conditions naturally occur within developing squid egg capsules

Young animals are the foundation of future cohorts and populations, but are often particularly susceptible to environmental changes. This raises concerns that future conditions, influenced by anthropogenic changes such as ocean acidification and increasing oxygen minimum zones, will greatly affect ecosystems by impacting developing larvae. Understanding these potential impacts requires addressi...

Estimates of Oxygen Fugacity in the Basaltic Shergottites from Electron Microprobe Oxygen Analysis

Supramolecular blueprint approach to metal-coordinated capsules.

An important problem in designing any large network is the assembly of systems that are resilient to change. From a chemical point of view, an analogy can be used where one requires supramolecular assemblies to maintain their dimensionality combined with limited structural perturbation in response to variation in its intermolecular framework. The identification of hydrogen-bonded framework patt...