Differentiation of komatiite flows

NT ARNDT - Journal of Petrology, 1986 - academic.oup.com
Although layered komatiite flows with spinifex-textured upper parts and olivine-enriched
lower parts are commonly thought to provide firm evidence of magmatic differentiation by …

Olivine-spinel geospeedometry: Analysis of diffusion-controlled Mg-Fe2+ exchange

K Ozawa - Geochimica et Cosmochimica Acta, 1984 - Elsevier
Abstract Subsolidus Mg-Fe 2+ exchange between olivine and spinel is governed by Mg-Fe
2+ interdiffusion. Incomplete exchange results in Mg-Fe 2+ heterogeneity in both olivine and …

The effects of cooling rate on texture and pyroxene chemistry in DSDP Leg 34 basalt: a microprobe study

RA Coish, LA Taylor - Earth and planetary science letters, 1979 - Elsevier
Abstract A 15.6-m cooling unit from DSDP Leg 34 is investigated to determine the effects of
the rate of solidification of a liquid on the resulting textures and mineralogy. A detailed …

Martian meteorite Dhofar 019: A new shergottite

LA Taylor, MA Nazarov, CK Shearer… - … & Planetary Science, 2002 - Wiley Online Library
Dhofar 019 is a new martian meteorite found in the desert of Oman. In texture, mineralogy,
and major and trace element chemistry, this meteorite is classified as a basaltic shergottite …

Synneusis of kilauea iki olivines

KR Schwindinger, AT Anderson Jr - Contributions to Mineralogy and …, 1989 - Springer
Olivine phenocrysts in the picritic scoria that erupted from Kilauea Iki in 1959 occur as
glomeroporphyritic aggregates of 2–16 crystals. The compositions and three-dimensional …

Northwest Africa 032: Product of lunar volcanism

TJ Fagan, GJ Taylor, K Keil, TE Bunch… - … & Planetary Science, 2002 - Wiley Online Library
Mineralogy, major element compositions of minerals, and elemental and oxygen isotopic
compositions of the whole rock attest to a lunar origin of the meteorite Northwest Africa …

Petrogenesis of the nakhlite meteorites: Evidence from cumulate mineral zoning

RP Harvey, HY McSween Jr - Geochimica et Cosmochimica Acta, 1992 - Elsevier
A simple igneous petrogenesis for the meteorite Nakhla has previously been called into
question because Mg Fe ratios in olivine indicate substantial disequilibrium between the …

On the structure of mare basalt lava flows from textural analysis of the LaPaz Icefield and Northwest Africa 032 lunar meteorites

JMD Day, LA Taylor - Meteoritics & Planetary Science, 2007 - Wiley Online Library
Quantitative textural data for Northwest Africa (NWA) 032 and the LaPaz (LAP) mare basalt
meteorites (LAP 02205, LAP 02224, LAP 02226, and LAP 02436) prvide constraints on their …

Chemical zoning and homogenization of olivines in ordinary chondrites and implications for thermal histories of chondrules

M Miyamoto, DS McKay, GA McKay… - Journal of Geophysical …, 1986 - Wiley Online Library
We studied the extent and degree of homogenization of chemical zoning of olivines in type 3
ordinary chondrites in order to obtain some constraints on cooling histories of chondrites …

Mineralogy and petrogenesis of lunar magnesian granulitic meteorite Northwest Africa 5744

JJ Kent, AD Brandon, KH Joy… - … & Planetary Science, 2017 - Wiley Online Library
Abstract Lunar meteorite Northwest Africa (NWA) 5744 is a granulitic breccia with an
anorthositic troctolite composition that may represent a distinct crustal lithology not …