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petrogenesis

Overview page. Subjects: Earth Sciences and Geography.

The origin and evolutionary history of rocks, especially igneous rocks. Compare petrography. See petrology.

See overview in Oxford Index

petrology, petrography, petrogenesis

Judith M. Bunbury.

in The Oxford Companion to the Earth

January 2000; p ublished online January 2003 .

Reference Entry. Subjects: Earth Sciences and Geography. 732 words.

Petra is the Greek for rock. Petrology is the science of rocks; petrography and petrogenesis are subdisciplines: petrography is concerned

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petrogenesis

Overview page. Subjects: Earth Sciences and Geography.

The origin and evolutionary history of rocks, especially igneous rocks. Compare petrography. See petrology.

See overview in Oxford Index

petrogenesis

Edited by MICHAEL ALLABY.

in A Dictionary of Earth Sciences

January 2008; p ublished online January 2008 .

Reference Entry. Subjects: Earth Sciences and Geography. 15 words.

The origin and evolutionary history of rocks, especially igneous rocks. Compare petrography. See petrology.

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petrogenesis

Michael Allaby.

in A Dictionary of Geology and Earth Sciences

January 2013; p ublished online September 2013 .

Reference Entry. Subjects: Earth Sciences and Geography. 16 words.

The origin and evolutionary history of rocks, especially *igneous rocks. Compare petrography. See petrology.

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petrogenesis

Edited by Paul L. Hancock and Brian J. Skinner.

in The Oxford Companion to the Earth

January 2000; p ublished online January 2003 .

Reference Entry. Subjects: Earth Sciences and Geography. 5 words.

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Petrogenesis of Tertiary Alkaline Magmas in the Siebengebirge, Germany

S. Jung, K. Vieten, R. L. Romer, K. Mezger, S. Hoernes and M. Satir.

in Journal of Petrology

November 2012; p ublished online September 2012 .

Journal Article. Subjects: Petrology. 15539 words.

Basanites from the Tertiary Siebengebirge area of Germany (part of the Central European Volcanic Province; CEVP) have high Mg# (>0·60), moderate to high Cr (>300 ppm) and Ni (>200 ppm)...

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Petrogenesis of Tertiary Mafic Alkaline Magmas in the Hocheifel, Germany

CAROLINE JUNG, STEFAN JUNG, EDGAR HOFFER and JASPER BERNDT.

in Journal of Petrology

August 2006; p ublished online April 2006 .

Journal Article. Subjects: Petrology. 12296 words.

Primitive nephelinites and basanites from the Tertiary Hocheifel area of Germany (part of the Central European Volcanic Province; CEVP) have high Mg-number (>0·64), high Cr and Ni contents...

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Flood Basalts, Basalt Floods or Topless Bushvelds? Lunar Petrogenesis Revisited

M. J. O’HARA.

in Journal of Petrology

November 2000; p ublished online November 2000 .

Journal Article. Subjects: Petrology. 84443 words.

There is a conspicuous dichotomy in the conventional model of lunar petrogenesis between the total intra-crustal differentiation postulated for the products of feldspathic volcanism in the...

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Dacite Petrogenesis on Mid-Ocean Ridges: Evidence for Oceanic Crustal Melting and Assimilation

V. D. Wanless, M. R. Perfit, W. I. Ridley and E. Klein.

in Journal of Petrology

December 2010; p ublished online December 2010 .

Journal Article. Subjects: Petrology. 16566 words.

Whereas the majority of eruptions at oceanic spreading centers produce lavas with relatively homogeneous mid-ocean ridge basalt (MORB) compositions, the formation of tholeiitic andesites...

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Boninites and Adakites from the Northern Termination of the Tonga Trench: Implications for Adakite Petrogenesis

Trevor J. Falloon, Leonid V. Danyushevsky, Anthony J. Crawford, Sebastian Meffre, Jon D. Woodhead and Sherman H. Bloomer.

in Journal of Petrology

April 2008; p ublished online January 2008 .

Journal Article. Subjects: Petrology. 10166 words.

Adakitic rocks were recovered by dredging from the northern termination of the Tonga Trench during the 1984 voyage of the R.V. Natsushima and the 1996 voyage of the R.V. Melville. These...

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Experimental Melting of Cordierite Gneiss and the Petrogenesis of Syntranscurrent Peraluminous Granites in Southern Brazil

EDINEI KOESTER, ALISON R. PAWLEY, LUÍS A. D. FERNANDES, CARLA C. PORCHER and ENIO SOLIANI.

in Journal of Petrology

August 2002; p ublished online August 2002 .

Journal Article. Subjects: Petrology. 13368 words.

To understand the petrogenesis of peraluminous granites syntectonic to the Dorsal de Canguçu Transcurrent Shear Zone in the Sul-rio-grandense Shield, Brazil, melting experiments were...

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Petrogenesis of Pre-caldera Mafic Lavas, Jemez Mountains Volcanic Field (New Mexico, USA)

J. A. WOLFF, M. C. ROWE, R. TEASDALE, J. N. GARDNER, F. C. RAMOS and C. E. HEIKOOP.

in Journal of Petrology

February 2005; p ublished online December 2004 .

Journal Article. Subjects: Petrology. 14773 words.

The Miocene–Quaternary Jemez Mountains volcanic field (JMVF), the site of the Valles caldera, lies at the intersection of the Jemez lineament, a Proterozoic suture, and the Cenozoic Rio...

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Olivine Melilitites of the SW German Tertiary Volcanic Province: Mineralogy and Petrogenesis

Elizabeth Ann Dunworth and Marjorie Wilson.

in Journal of Petrology

October 1998; p ublished online October 1998 .

Journal Article. Subjects: Petrology. 17444 words.

The mineralogy and mineral chemistry of olivine melilitites from the Late Tertiary Urach and Hegau volcanic provinces of SW Germany, and from Mahlberg Castle, north of the Kaiserstuhl...

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Geochronology and Petrogenesis of the Cretaceous Antampombato–Ambatovy Complex and Associated Dyke Swarm, Madagascar

LEONE MELLUSO, VINCENZO MORRA, PIETRO BROTZU, SIMONE TOMMASINI, MARIA ROSARIA RENNA, ROBERT A. DUNCAN, LUIGI FRANCIOSI and FOSCO D'AMELIO.

in Journal of Petrology

October 2005; p ublished online April 2005 .

Journal Article. Subjects: Petrology. 11733 words.

The Antampombato–Ambatovy complex is the largest intrusion in the central–eastern part of the Cretaceous flood basalt province of Madagascar, with an exposed surface area of about 80 km2....

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Modelling Diverse Processes in the Petrogenesis of a Composite Batholith: the Central Bohemian Pluton, Central European Hercynides

VOJTĚCH JANOUŠEK, D. R. BOWES, GRAEME ROGERS, COLIN M. FARROW and EMIL JELÍNEK.

in Journal of Petrology

April 2000; p ublished online April 2000 .

Journal Article. Subjects: Petrology. 16095 words.

The multiple intrusions making up the Central Bohemian Pluton in the Central European Hercynides have petrographic and geochemical features consistent with the presence of four main...

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Geochemistry, Petrogenesis and Geodynamic Relationships of Miocene Calc-alkaline Volcanic Rocks in the Western Carpathian Arc, Eastern Central Europe

Szabolcs Harangi, Hilary Downes, Matthew Thirlwall and Katalin Gméling.

in Journal of Petrology

December 2007; p ublished online October 2007 .

Journal Article. Subjects: Petrology. 13841 words.

We report major and trace element abundances and Sr, Nd and Pb isotopic data for Miocene (16·5–11 Ma) calc-alkaline volcanic rocks from the western segment of the Carpathian arc. This...

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Geochemical and Isotopic (O, Nd, Pb and Sr) Constraints on A-type Granite Petrogenesis Based on the Topsails Igneous Suite, Newfoundland Appalachians

JOSEPH. B. WHALEN, GEORGE A. JENNER, FREDERICK J. LONGSTAFFE, FRANCINE ROBERT and CLÉMENT GARIÉPY.

in Journal of Petrology

December 1996 .

Journal Article. Subjects: Petrology. 0 words.

The voluminous, bimodal, Silurian Topsails igneous suite consists mainly of ‘A-type’ peralkaline to slightly peraluminous, hypersohnis to subsolvus granites with subordinate syenite,...

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Accessory Mineral Chemistry of High Ba–Sr Granites from Northern Scotland: Constraints on Petrogenesis and Records of Whole-rock Signature

E. Bruand, C. Storey and M. Fowler.

in Journal of Petrology

August 2014; p ublished online July 2014 .

Journal Article. Subjects: Petrology. 16735 words.

The Rogart and Strontian high Ba–Sr plutons (Northern Highlands, Scotland) comprise a range of lithologies from felsic to ultramafic rocks. The latter are mantle-derived and their...

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Petrogenesis of the Ultrapotassic Fanshan Intrusion in the North China Craton: Implications for Lithospheric Mantle Metasomatism and the Origin of Apatite Ores

Tong Hou, Zhaochong Zhang, Jakob K. Keiding and Ilya V. Veksler.

in Journal of Petrology

May 2015; p ublished online May 2015 .

Journal Article. Subjects: Petrology. 10434 words.

The Fanshan intrusion in the North China Craton (NCC) is concentrically zoned with syenite in the core (Unit 1), surrounded by ultramafic rocks (clinopyroxenite and biotite clinopyroxenite;...

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Cr-spinel Seam Petrogenesis in the Rum Layered Suite, NW Scotland: Cumulate Assimilation and <i>in situ</i> Crystallization in a Deforming Crystal Mush

Brian O’Driscoll, C. Henry Emeleus, Colin H. Donaldson and J. Stephen Daly.

in Journal of Petrology

June 2010; p ublished online May 2010 .

Journal Article. Subjects: Petrology. 14255 words.

Laterally extensive (∼2 mm thick) Cr-spinel seams in the Rum Layered Suite, NW Scotland, occur at the bases of several of the coupled peridotite–troctolite macro-rhythmic units that form...

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