Diffusion in pyroxene, mica and amphibole

DJ Cherniak, A Dimanov - Reviews in Mineralogy and …, 2010 - pubs.geoscienceworld.org
This chapter presents an overview of diffusion data for pyroxenes, amphiboles and micas.
These minerals are grouped together since amphiboles and micas are closely related in …

Geochronology of shear zones–A review

S Oriolo, K Wemmer, P Oyhantçabal, H Fossen… - Earth-Science …, 2018 - Elsevier
Shear zones play a major role in the deformation of the crust at a variety of scales, as
expressions of strain localization during orogeny and rifting, and also as reactivated …

Clocks in magmatic rocks

F Costa - Annual Review of Earth and Planetary Sciences, 2021 - annualreviews.org
Understanding the evolution and processes that shape our planet critically depends on the
robustness of the absolute ages and process durations obtained from rocks and crystals …

Crystallographic preferred orientation produced by diffusional creep of harzburgite: Effects of chemical interactions among phases during plastic flow

M Sundberg, RF Cooper - Journal of Geophysical Research …, 2008 - Wiley Online Library
Experimental deformation experiments have been conducted on fine‐grained, two‐phase
aggregates of olivine and orthopyroxene to investigate the role of grain and phase boundary …

The distribution of short-lived radioisotopes in the early solar system and the chronology of asteroid accretion, differentiation, and secondary mineralization

LE Nyquist, T Kleine, CY Shih, YD Reese - Geochimica et Cosmochimica …, 2009 - Elsevier
We evaluate initial (26Al/27Al) I,(53Mn/55Mn) I, and (182Hf/180Hf) I ratios, together with
207Pb/206Pb ages for igneous differentiated meteorites and chondrules from ordinary …

Diffusion in minerals: an overview of published experimental diffusion data

JB Brady, DJ Cherniak - Reviews in mineralogy and …, 2010 - pubs.geoscienceworld.org
Although geologists have been thinking and writing about diffusion in minerals, magmas,
and rocks since early in the 20th century (eg, Penrose 1914; Van Orstrand 1915; Bowen …

Fe-Mg interdiffusion in orthopyroxene

R Dohmen, JH Ter Heege, HW Becker… - American …, 2016 - degruyter.com
Abstract We have measured Fe-Mg interdiffusion coefficients, D Fe-Mg, parallel to the three
main crystallographic axes in two natural orthopyroxene single crystals [approximately …

Chromium isotope heterogeneity in the mantle

J Xia, L Qin, J Shen, RW Carlson, DA Ionov… - Earth and Planetary …, 2017 - Elsevier
To better constrain the Cr isotopic composition of the silicate Earth and to investigate
potential Cr isotopic fractionation during high temperature geological processes, we …

Experimental determination of trace element partition coefficients between spinel and silicate melt: the influence of chemical composition and oxygen fugacity

CH Wijbrans, S Klemme, J Berndt, C Vollmer - Contributions to Mineralogy …, 2015 - Springer
We present new experimentally determined trace element partition coefficients between
spinel and silicate melt. The experiments were performed at atmospheric pressure and at …

Thermal evolution model for the H chondrite asteroid-instantaneous formation versus protracted accretion

S Henke, HP Gail, M Trieloff, WH Schwarz - Icarus, 2013 - Elsevier
We present a model of the thermal evolution of asteroids. Assuming an onion shell model for
the H chondrite parent body we obtain constraints for the H chondrite asteroid parameters by …