Petrology

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debayanpal:A glimpse at the basics of metamorphism facies and facies series…….this might help geolog

Every rock thatcrops out of the ground is a record of the past, and so, in one way or theother it te

Eudialyte syeniteIsn’t that a delightful color? The mineral with the strong color is Eudialyte

veggeologist:Myrmekitic textureAn intergrowth texture created when plagioclase feldspar and quartz g

luna-and-mars:Guess what I’m up to? :DTaking petrology this semester, which means lots of thin

gloomywormwood:My petrography course is over.

meetmeonthecraton:This is Sven the diorite we have a working relationship but I’m beginning to

gingerrhapsody:studying for igmet is never boringI teach that class, and yes, we still laugh at that

optical-mineralogy: The plagioclase in this thin section has polysynthetic twinning. The orthopyroxe

S-tectonite with muscovite and quartz in thin section

Alkali Feldspar Granite Quartz, alkali feldspar and muscovite.

Composition includes: biotite, muscovite, chlorite, feldspars, oxides, and quartz. Feldspar poikilob

This rock is predominantly composed of quartz, alkali feldspar, and plagioclase. The alkali feldspar

The plagioclase in this thin section has polysynthetic twinning. The orthopyroxene also has twinning

This rock is composed predominantly of plagioclase feldspar that are large euhedral crystals suggest

Alkali Feldspar crystals are large in this thin section. The alkali feldspar have subhedral crystals

Working on polishing my samples for reflective light microscopy. This sample is a pyroxenite from Ho

Olivine groundmass with an orthopyroxene phenocryst

This thin section shows an amygdule in a sample of amygdaloid basalt. The rock formed due to an erup

Websterite in thin section Clinopyroxene and orthopyroxene with few anhedral plagioclase crystals in

mossy-rox: I’m an igneous and metamorphic petrology kind of gal, but I when I looked down the

Every rock that crops out of the ground is a record of the past, and so, in one way or the other it

As a professor of petrology at the University of Padova, Italy, Bernardo Cesare knows a thing or two

r2–d2: Through the pass by (petrology)

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