The Caraguataí syenitic suite, a ca. 2.7Ga-old alkaline magmatism (petrology, geochemistry and U–Pb zircon ages). Southern Gavião block (São Francisco Craton), Brazil [PDF]
Simone Cerqueira Pereira Cruz+10 more
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The Ghorveh-Dehgolan plutons of the northern Sanandaj-Sirjan Zone, Zagros Orogen, comprise seven composite intrusive bodies that were generated during northeastward subduction of Neotethys beneath the Iranian sector of the Eurasian plate.
S. YAJAM+5 more
doaj
On the magmatic evolution of the alkaline igneous province of South Greenland
In 1938 E. Wegmann divided the rocks of southern Greenland into and old basement and a younger formation. The basement consists of the remains of a mountain chain for which Wegmann introduced the name the Ketilides. The younger rocks, which are separated from the Ketilidian orogeny by a long period of denudation, were grouped in the Gardar formation ...
openaire +2 more sources
Characterisation of gold from Fiji [PDF]
This is a study of the variation in chemistry and inclusion mineralogy of bedrock and placer gold from Fiji. It forms part of a large project, undertaking gold characterisation from a wide range of geological environments in Ecuador, Zimbabwe ...
Henney, P.J., Naden, Jon
core
High-MgO lavas associated to CFB as indicators of plume-related thermochemical effects: the case of ultra-titaniferous picrite-basalt from the Northern Ethiopian-Yemeni plateau [PDF]
A comprehensive petrological and geochemical dataset is reported in order to define the thermo-compositional characteristics of Ti (Fe)-enriched picrite-basalt lavas (HT2, TiO2 3-7 wt%), erupted close to the axial zone of the inferred Afar mantle plume ...
Beccaluva, Luigi+6 more
core +1 more source
Southern Urals lamproites: the problems of terminology, age, and geodynamic interpretation
We have studied mineral and chemical composition of lamproites from Kalymbaevsky Complex the Middle Trias. These lamproites were developed in Magnitogorsk and Eastern-Urals megazones of the Southern Urals.
S. V. Pribavkin
doaj +2 more sources
Alkaline magmatism in the Selwyn Basin, Yukon: relationship to SEDEX mineralization
Emma Scanlan+4 more
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Role of subduction dynamics on the unevenly distributed volcanism at the Middle American subduction system. [PDF]
Liu M, Gao H.
europepmc +1 more source
Late Archean alkaline magmatism in the western Quetico belt, Superior Province, Ontario
Birgitte Lassen+2 more
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