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Perovskite geochronology and petrogenesis of the Neoproterozoic Mad Gap Yards ultramafic lamprophyre dykes, East Kimberley region, Western Australia
The Mad Gap Yards ultramafic lamprophyre (UML) dykes in the East Kimberley region of northern Western Australia form part of a widespread...
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Permo-Carboniferous hypabyssal magmatism in northern Portugal: the case of the Lamas de Olo microgranite and lamprophyre dykes
During the final stages of the Variscan orogeny, several subvolcanic dykes intruded throughout NW and SW Europe. In northern Portugal, the...
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The “Lamprophyre Clan” Revisited
A sequential genetic diagram is proposed for lamprophyres adopting their definitions, classification, petrological and geochemical signatures from an...
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Mineralogy and petrology of lamprophyre and dolerite dykes from the end-Cretaceous (~ 66 Ma) Phenaimata alkaline igneous complex, north-western India: evidence for open magma chamber fractionation, mafic recharge, and disaggregation of crystal mush zone in a large igneous province
The end-Cretaceous ( ca . 66 Ma) Phenaimata alkaline igneous complex, associated in space and time with the Deccan large igneous province (LIP) in...
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Noble and base metal geochemistry of late- to post-orogenic mafic dykes from central Spain
The post-tectonic and post-orogenic mafic rocks from the Spanish Central System (SCS) (Iberian Massif) include dyke swarms of shoshonitic...
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Age and Melt Sources of Ultramafic Dykes and Rocks of the Bolshetagninskii Alkaline Carbonatite Massif (Urik-Iya Graben, SW Margin of the Siberian Craton)
AbstractThe age of rocks of the Bolshetagninskii ijolite–syenite–carbonatite massif and ultramafic dykes within the Urik-Iya Graben in the...
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Chrome-diopside Xenocrysts Entrained in a Neoproterozoic Lamprophyre Dyke from the Mysuru Area: Their Origin and Implications for Lithospheric Thickness Beneath the Western Dharwar Craton, Southern India
In comparison to the eastern Dharwar Craton, the mantle-derived xenocrysts/xenoliths are extremely rare or even unreported from the western Dharwar...
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Variscan lamprophyres of the South Armorican Domain and comparison with lamprophyres of the Western European Variscan belt
Late to post-orogenic lamprophyres of the European Variscides attest variable compositions of the mantle beneath the structural zones of the belt....
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Petrology, mineral chemistry and geochemistry of lamprophyres from Rongjeng–Nongchram area, East Garo Hills, Shillong Plateau, Meghalaya, Northeast India
AbstractIn this paper, detailed petrology, mineral chemistry and geochemistry of lamprophyres from the Rongjeng–Nongchram area, Meghalaya, northeast...
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The Bosphorus Volcano: remnants of an ancient volcano on an ancient city
In many ancient and active volcanic provinces, dyke systems are commonly disposed radially and concentrically around the volcanic chimney,...
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Alkaline rocks of the Bobaomby volcanic field point to a petrogenetic link between Comoros and northern Madagascar lithosphere
The Bobaomby volcanic field (10–11 Ma) is the northernmost volcanic area of Madagascar, and is a monogenetic volcanic field comprising outcrops of...
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Evidence and timing of metasomatism of the lithospheric mantle before large-scale Deccan magmatism: Insights from the phlogopite–spinel–wehrlite xenoliths from Sarnu–Dandali alkaline igneous complex, Rajasthan, northwestern India
Wehrlite xenoliths recovered from lamprophyre dykes from Sarnu–Dandali alkaline igneous complex record three distinct events of modification in the...
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Micro-Geochemistry of Clinopyroxene of the Mafic Dykes in the Jiaodong Peninsula: Implications for Petrogenesis and Geodynamic
Early Cretaceous mafic dykes widely spread in the Jiaodong Peninsula and provided significant evidence for geodynamic of the studied area. Based on...
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Zinc isotopes reveal disparate enriched sources of contemporary lamprophyres in Eastern Dharwar Craton
Lamprophyres are mantle-derived rocks characterized by enrichment of incompatible elements and volatiles; however, the origin of their enriched...
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Post-Archean Nb-REE-U enrichment in the Superior craton recorded in metasomatised mantle rocks erupted in the 1.1 Ga Midcontinental Rift event
Mantle xenoliths in a Mesoproterozoic lamprophyre dyke at Elliot Lake, Ontario, located on the east margin of the Midcontinent Rift (MCR), erupted...
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U–Pb zircon geochronology and geochemistry of mafic and intermediate dykes in the İstanbul–Zonguldak Tectonic Unit (NW Turkey): evidence for Devonian and Carboniferous magmatism and the north-subducting Rheic Ocean in Far East Avalonia
The İstanbul–Zonguldak Tectonic Unit, which is devoid of Devonian–Carboniferous magmatism, is a continental fragment of Far East Avalonia. It was...
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Lower activity time constraint on the ore-controlling Erdaogou fault in the Qingchengzi orefield of the Liaodong Peninsula, NE China
The Erdaogou fault, also known as the 101 fault, comprises the most important NE strike component in the ore-controlling system in the Qingchengzi...
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Origin and Tectonic Implications of Post-Orogenic Lamprophyres in the Sulu Belt of China
Lamprophyre dykes that crosscut different types of ultrahigh pressure (UHP) metamorphic rocks are widely distributed in the Triassic Sulu UHP...
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The Debated Discovery of Dolomite and the Proposal of a New Geosite at Borcola Pass (Eastern Italian Pre-Alps) in Honor of Giovanni Arduino
Within the Venetian Pre-Alps, the Borcola Pass connects the Posina (Vicenza province) and the Terragnolo (Trento province) valleys. The Posina valley...
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A successful inversion of magnetic anomalies related to 2D dyke-models by a particle swarm scheme
Dykes play a key role in various geologic environments. Here, we show how we employed profile magnetic data to perceive and identify the number of...
