exsolution

This leads to exsolution where they will separate into two separate phases.

The large blue-green minerals are clinopyroxene with some exsolution of orthopyroxene.

Intergrowths that form by exsolution are aids in interpreting cooling histories of rocks.

These oxides commonly have complex textures related both to exsolution and oxidation.

The distinctive character of feldspar in hypersolvus granite is to present exsolution textures.

The sources of the stresses include deformation (e.g. an increase in pressure), exsolution, or twinning.

One explanation is Castle & Lindsley's exsolution silica-pump model.

Ignimbrite originates from explosive eruptions caused by vigorous exsolution of magmatic gases.

If the melt contains enough dissolved gas, the rate of exsolution will determine the magmas rate of ascension.

Exsolution of an albite phase does occur; resulting cryptoperthite can best be observed in electron microprobe images.

If the high temperature intermediate composition alkali feldspars are allowed to cool slowly, exsolution occurs and a perthite structure results.

Composition, exsolution, age.

Graphic texture is commonly created by exsolution and devitrification and immiscibility processes in igneous rocks.

The play of colours visible in some feldspar of labradorite composition is due to very fine-grained exsolution lamellae.

Bararite has no known solution or exsolution, but it is always mixed with other substances (cryptohalite, sal ammoniac, and sulfur).

It consists of two amphiboles, gedrite and anthophyllite, which form exsolution lamellae that give the rock its typical iridescence.

While slowly cooling within the earth, sodium-rich albite lamellae form by exsolution, enriching the remaining orthoclase with potassium.

If massive exsolution occurs when magma heads upwards during a volcanic eruption, the resulting eruption is usually explosive.

Exsolution in Al-Cr-Fe3+- rich spinels from the Chilas mafic-ultramafic complex, Pakistan.

Exsolved magnetite has graphic texture, as do some exsolution textures of pyroxene, pyrite feldspar and rarely other minerals.

The structures occur because the meteoric iron has a certain Nickel concentration that leads to the exsolution of kamacite out of taenite while cooling.

The intergrowth forms by exsolution due to cooling of a grain of alkali feldspar with a composition intermediate between K-feldspar and albite.

Accordingly the texture was created as plagioclase formed by exsolution from alkali feldspar during cooling, under conditions in which silicon was mobile in the rock.

It results from exsolution from chalcopyrite at temperatures below 200 to 210 C. It has also been reported from carbonaceous chondrite meteorites.

Some examples show Schiller iridescence due to the presence of exsolution lamellae on cooling in the peristerite miscibility gap, An-An.