Results 51 to 60 of about 147 (81)

Cretaceous Potassic Intrusives With Affinities to Aillikites From Jharia Area: Magmatic Expression of Metasomatically Veined and Thinned Lithospheric Mantle Beneath Singhbhum Craton, Eastern India

Lithos, 2009
Cretaceous potassic dykes and sills at the Jharia area intrude the Permo-carboniferous coal-bearing Gondwana sediments of the Eastern Damodar Valley, Singhbhum craton. These intrusives are widely regarded as a part of the Mesozoic alkaline and Rajmahal flood basalt magmatism in the Eastern Indian shield.
Rajesh K Srivastava, Anup K Sinha, N V Chalapathi Rao   +2 more
exaly   +3 more sources

Reply to the Discussion by Mitchell and Tappe on “Kimberlites and Aillikites as Probes of the Continental Lithospheric Mantle”

Lithos, 2010
Abstract We thank Mitchell and Tappe for giving us the opportunity to discuss the nature of kimberlite magmas. We agree with Mitchell and Tappe about the importance of mineralogy, but the mineralogy of interstitial phases in kimberlites can shed little light on the origin of kimberlite magmas.
D. Francis, M. Patterson
exaly   +3 more sources

Discussion of “Kimberlites and Aillikites as Probes of the Continental Lithospheric Mantle”, by D. Francis and M. Patterson (Lithos v. 109, p. 72–80)

Lithos, 2010
Abstract The origin of kimberlites and volatile-rich alkaline ultramafic magmas such as aillikites has been a matter of considerable scientific interest and the recent paper by Francis and Patterson (Francis and Patterson, 2009. Kimberlites and Aillikites as probes of the continental lithospheric mantle.
Roger H Mitchell, Sebastian Tappe
exaly   +3 more sources

Mineralogical and Petrographic Characteristics of Aillikites of the Yuzhnaya Pipe, Zima Alkaline-Carbonatite Complex, Eastern Sayan

Petrology
V. V. Sharygin, A. G. Doroshkevich
exaly   +3 more sources

U–Pb (ID-TIMS) Age of Garnet From Aillikites of the Kola Alkali Province

Doklady Earth Sciences, 2023
Abstract The U–Pb (ID-TIMS) geochronological studies of garnet from aillikites of the Kandalaksha dike swarm (Kola alkali province) were carried out. The estimated U–Pb age of garnet (374 ± 3 Ma) coincides with the major stage (373–377 Ma) of alkali magmatism in the Kola Province (LIP).
M V Stifeeva, E B Salnikova, A A Nosova
exaly   +2 more sources

Geochemical and O–C–Sr–Nd Isotopic Constraints on the Petrogenetic Link Between Aillikites and Carbonatites in the Tarim Large Igneous Province

Journal of Petrology, 2021
AbstractAillikites are carbonate-rich ultramafic lamprophyres often associated with carbonatites. Despite their common field relationships, the petrogenetic links, if any, between aillikites and carbonatites remain controversial. To address this question, this study reports the results of a detailed geochemical and isotopic examination of the Permian ...
Weiliang Kong, Zhiguo Cheng, Zhaochong Zhang   +2 more
exaly   +2 more sources

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Kimberlites and Aillikites as Probes of the Continental Lithospheric Mantle

Lithos, 2009
ARTICLE I NFO Although the mantle xenoliths carried by kimberlites are the source of much of our information about the composition of the mantle beneath the continents, the compositions of kimberlites themselves have received little attention for the information they carry about the nature of the lithospheric mantle. This neglect in part reflects their
Don Francis
exaly   +2 more sources

Crystallisation of Mela-Aillikites of the Narsaq Region, Gardar Alkaline Province, South Greenland and Relationships to Other Aillikitic–Carbonatitic Associations in the Province

Lithos, 2006
Abstract Aillikites (carbonated, melilite-free ultramafic lamprophyres grading to carbonatites) are minor components of the Gardar alkaline igneous province. They occur principally as minor intrusions and as clasts in diatremes, but more voluminous aillikitic intrusions crop out near the Ilimaussaq Complex, which they predate by a few million years ...
B G J Upton
exaly   +2 more sources

Olivine From Aillikites in the Tarim Large Igneous Province as a Window Into Mantle Metasomatism and Multi-Stage Magma Evolution

American Mineralogist, 2021
Abstract Aillikites are carbonate-rich ultramafic lamprophyres, and although they are volumetrically minor components of large igneous province (LIP), these rocks provide important clues to melting and meta-somatism in the deep mantle domain during the initial stages of LIPs.
Santosh M, Weiliang Kong, Zhiguo Cheng
exaly   +2 more sources

Petrogenetic Link Between Aillikites and Carbonatites in the Tarim Large Igneous Province

Goldschmidt2022 abstracts, 2022
Zhiguo Cheng, Zhaochong Zhang, Andrea Giuliani   +2 more
exaly   +2 more sources