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The magmatic and magmatic-hydrothermal evolution of felsic igneous rocks as seen through Nb-Ta geochemical fractionation, with implications for the origins of rare …
Abstract Despite Nb and Ta being considered as 'geochemical twins', most Ta mineral
deposits are associated with muscovite-bearing peraluminous granites and related …
deposits are associated with muscovite-bearing peraluminous granites and related …
[كتاب][B] Igneous petrogenesis
M Wilson - 1989 - Springer
A map of the ocean basins (Fig. 5.1) shows that their most conspicuous topographic feature
is the system of mid-oceanic ridges, the crests of which rise on average 1000-3000 m above …
is the system of mid-oceanic ridges, the crests of which rise on average 1000-3000 m above …
Relationships between mafic and peralkaline silicic magmatism in continental rift settings: a petrological, geochemical and isotopic study of the Gedemsa volcano …
A Peccerillo, MR Barberio, G Yirgu, D Ayalew… - Journal of …, 2003 - academic.oup.com
Petrological and geochemical data are reported for basalts and silicic peralkaline rocks from
the Quaternary Gedemsa volcano, northern Ethiopian rift, with the aim of discussing the …
the Quaternary Gedemsa volcano, northern Ethiopian rift, with the aim of discussing the …
[كتاب][B] Granitoid rocks
DB Clarke - 1992 - books.google.com
Page 1 Granitoid Rocks DB Clarke BSc, MA, PhD Department of Earth Sciences Dalhousie
University Halifax Nova Scotia Canada kluwer the language of science Page 2 Page 3 …
University Halifax Nova Scotia Canada kluwer the language of science Page 2 Page 3 …
An evaluation of the Rb vs.(Y+ Nb) discrimination diagram to infer tectonic setting of silicic igneous rocks
HJ Förster, G Tischendorf, RB Trumbull - Lithos, 1997 - Elsevier
The most commonly used tectonic discrimination diagrams for granites were introduced by
Pearce et al.[Pearce, JA, Harris, NBW, Tindle, AG, 1984. Trace element discrimination …
Pearce et al.[Pearce, JA, Harris, NBW, Tindle, AG, 1984. Trace element discrimination …
Gamma rays, x-rays and stone tools: some recent advances in archaeological geochemistry
MS Shackley - Journal of Archaeological Science, 1998 - Elsevier
Recent advances in instrumental technology are providing archaeologists with enticing
opportunities in the chemical analysis of geological materials. These advances, however …
opportunities in the chemical analysis of geological materials. These advances, however …
Zircon saturation in silicate melts: a new and improved model for aluminous and alkaline melts
The importance of zircon in geochemical and geochronological studies, and its presence not
only in aluminous but also in alkaline rocks, prompted us to think about a new zircon …
only in aluminous but also in alkaline rocks, prompted us to think about a new zircon …
A-type granites and related rocks: petrogenesis and classification
AV Grebennikov - Russian Geology and Geophysics, 2014 - Elsevier
The problems of identification of A-type granitoids are analyzed. These rocks occur in
different geodynamic settings. Owing to their mantle nature, they show distinct REE …
different geodynamic settings. Owing to their mantle nature, they show distinct REE …
Trace-element partitioning in pantellerites and trachytes
In order to investigate the effect of increasing melt peralkalinity on partitioning, partition
coefficients have been determined using neutron activation analyses of coexisting …
coefficients have been determined using neutron activation analyses of coexisting …
Hf isotopes in zircon reveal contrasting sources and crystallization histories for alkaline to peralkaline granites of Temora, southeastern Australia
Peralkaline granites exhibit the hallmark features of A-type igneous rocks, but strongly
differentiated chemistry and intense hydrothermal alteration camouflage their ultimate …
differentiated chemistry and intense hydrothermal alteration camouflage their ultimate …