Direct dating of mid-crustal shear zones with synkinematic allanite:new in situ U-Th-Pb geochronological approaches applied to the Mont Blanc massif [PDF]
International audienceDating the timing of motion on crustal shear zones is of tremendous importance for understanding the assembly of orogenic terranes.
Cenki-tok, Benedicte +4 more
core +3 more sources
Non-metallic inclusions (NMIs) in steel have a detrimental effect on the processing, mechanical properties, and corrosion resistance of the finished product.
Christoph Walkner +7 more
doaj +1 more source
Boron isotope calibration of large benthic foraminifera species using LA-MC-ICP-MS [PDF]
Douglas Coenen +6 more
openaire +1 more source
U-Pb Geochronology, Sr–Nd Geochemistry, Petrogenesis and Tectonic Setting of Gandab Volcanic Rocks, Northeast Iran [PDF]
This paper addresses U-Pb geochronology, Sr-Nd geochemistry, petrogenesis and tectonic setting in the Gandab volcanic rocks. The Gandab volcanic rocks belong to the Sabzevar zone magmatic arc (northeastern Iran).
Entezari Harsini, A. +3 more
core +1 more source
Methodological aspects of U/Pb dating of zircons using multicollector mass spectrometer with inductively coupled plasma NEPTUNE PLUS with NWR 213 attachment for laser ablation [PDF]
Представлена методика анализа изотопного состава Pb и U в цирконах и процедура обработки данных, реализованные на масс-спектрометре с индуктивно-связанной плазмой Neptune Plus (фирма Thermo Scientific), оборудованном одним центральным неподвижным ...
Pupyshev, A. A. +7 more
core +1 more source
Chronology, Geochemistry and Geological Significance of Epo Granite Intrusion, Southern Jiangxi
The Epo intrusion with an exposed area of 200 km2, is mainly composed of biotite monzonitic granite, and is located on the western margin of the Yudu-Qingtang basin, the conjunction of E-W trending Nanling tectonic-magmatic belt and the NNE trending ...
GUO Na-xin +5 more
doaj +2 more sources
U–Pb dating and Sm–Nd isotopic analysis of granitic rocks from the Tiris Complex : new constaints on key events in the evolution of the Reguibat Shield, Mauritania [PDF]
The Reguibat Shield of N Mauritania and W Algeria represents the northern exposure of the West African Craton. As with its counterpart in equatorial West Africa, the Leo Shield, it comprises a western Archaean Domain and an eastern Palaeoproterozoic ...
Abdouloye, T.B. +6 more
core +1 more source
Constraints on timing of the early-paleoproterozoic magmatism and crustal evolution of the Oulongbuluke microcontinent: U-Pb and Lu-Hf isotope systematics of zircons from Mohe granitic pluton [PDF]
The Olongbuluke micro-continent is composed of a two-fold basement with cover strata. The lower basement is the medium-to high-grade Delingha complex (DC) and the Dakendaban Group, the upper is the low-grade Wandonggou Group.
Chen, N +6 more
core
Ferromanganese nodules and micro-hardgrounds associated with the Cadiz Contourite Channel (NE Atlantic): Palaeoenvironmental records of fluid venting and bottom currents [PDF]
Ferromanganese nodule fields and hardgrounds have recently been discovered in the Cadiz Contourite Channel in the Gulf of Cadiz (850–1000 m). This channel is part of a large contourite depositional system generated by the Mediterranean Outflow Water ...
Abouchami +159 more
core +2 more sources
Paleozoic acidic intrusive rocks are widespread in the Tiekelike tectonic belt of the southern margin of Tarim. Petrography, whole-rock major and trace elements, and zircon U-Pb dating are reported for the Buya granodiorite and its mafic microgranular ...
HU Xue-yuan +6 more
doaj +1 more source

