petrogenesis

It would be a good thing if I got just a bit of sleep and studied up on igneous petrogenesis at the same time.

This model was developed to better approximate basalt petrogenesis in modeling and experiments.

The production of normal Rock Types by Contamination and their bearing on Petrogenesis.

These rocks are believed to be genetically related to the petrogenesis of KREEP.

Petrology is a major subdivision of geology and is divided into two main branches: petrography and petrogenesis.

The role of plume-lithosphere mixing in the petrogenesis of flood basalts is thus firmly substantiated by the new Os isotope data.

The presence of iron as Fe and Fe helps understand oxygen fugacity, which in turn is a significant factor in petrogenesis.

Studies of merrillite as an accessory mineral have provided valuable insights that have helped to unlock the petrogenesis of extraterrestrial rocks.

The Os isotope data apparently also support the idea that OIB-like plume material has a role in Karoo petrogenesis.

Microstructure analysis describes the textural features of the rock, and can provide information on the conditions of formation, petrogenesis, and subsequent deformation, folding or alteration events.

The new Os isotope data strongly indicate that SCLM has a role in the petrogenesis of Karoo flood basalts.

Haggerty's research focuses on the origin of igneous rocks (petrogenesis), forming of the upper Earth's mantle and meteorites and rock samples from the Moon.

Petrology, petrogenesis and P - T studies of host-rock- specific Mn-ore minerals of the Sausar Belt, central India was a topic study.

Since textural details contribute greatly to knowledge of the sequence of crystallization of the various mineral constituents in a rock, petrography progressed into petrogenesis and ultimately into petrology.

In 1997 Leake moved to Cardiff University where he continues work on the petrogenesis of the Galway Granite, and has recently completed a biography of geologist J.W.Gregory.

(2000) "Emplacement, geochronology and petrogenesis of the syntectonic biotite-granitoids associated with the Vigo-Régua shear zone (Hercynian Central Iberian Zone, Northern Portugal)."

Fluid inclusions trapped within granulite facies rocks have provided important clues on the petrogenesis of dry granulite facies rocks through the influx of CO-rich fluids from sub-lithospheric sources.

Lambe, R.N., 1981, Crystallization and petrogenesis of the southern portion of the Boulder Batholith, Montana: unpublished PhD thesis, University of California, Berkeley, 202 p.

In basalt petrogenesis polybaric melting implies that liquids are incrementally separated from residues across a range of pressures and subsequently mix and move through the mantle without equilibrating with surrounding mantle minerals.

The disparity between groundmass compositions reconstructed by and and the Haiti glass trend suggests that the selective clast melting and alteration are important effects that may not be easily circumvented when attempting to decipher impact melt petrogenesis.

Its probable derivation from depths greater than any other igneous rock type, and the extreme magma composition that it reflects in terms of low silica content and high levels of incompatible trace element enrichment, make an understanding of kimberlite petrogenesis important.

The rocks, which included unusual alkaline rocks, were not merely mapped, but studied in detail using petrographic and chemical methods, and firm conclusions were drawn about their petrogenesis, all of which was unusual for a GSC Memoir at that time.