Magmatic Arc
A review of the geodynamic setting of the Volcanic Domain in the Juruena Magmatic Arc, southwestern Amazon Craton, Brazil, based on geochemical, U-Pb and Sm-Nd data
... continental arc-related interpretation for part of the Volcanic Domain magmatism is based upon its spatial arrangement, the volume of acid volcaniclastic deposits and associated epizonal granite intrusions, T DM ...
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Sr-Nd Isotope Constraints of Hezar Igneous Complex (south of Kerman- Iran) - as a Part of Urumieh-Dokhtar Magmatic Arc
... Urumieh-Dokhtar Magmatic Arc (UDMA) as a part of Central Iran, is located in the middle of the Alpine-Himalayan ...linear magmatic belt related to subduction which is constituted with huge volcanic ...
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AIRBORNE GEOPHYSICAL AND TECTONICS OF THE CEARÁ CENTRAL DOMAIN, EASTERN REGION OF THE SANTA QUITÉRIA MAGMATIC ARC, BORBOREMA PROVINCE, NE BRAZIL
... Quit´eria magmatic arc and the supracrustal sequences that surround the ...Quit´eria magmatic arc are characterized by high counting on the K-channel in its almost entire region and ...
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Comparative petrogenetic investigation of Composite Kaçkar Batholith granitoids in Eastern Pontide magmatic arc—Northern Turkey
... margin arc developed in response to the northward subduction of northern branch of neo-Tethyan oceanic crust beneath the Eurasian plate in Senonian, while the formation of an Atlantic-type active continental ...
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Magmatic Interaction as Recorded in Texture and Composition of Plagioclase Phenocrysts from the Sirjan Area, Urumieh-Dokhtar Magmatic Arc, Iran
... Tertiary andesitic basalts of the Sirjan area, Urmieh-Dokhtar Magmatic Arc, Iran, contain plagioclase phenocrysts enclosed in a matrix of amphibole, clinopyroxene and rare olivine crystals. Textural and ...
9
The volcaniclastic series from the luang prabang basin, Laos: A witness of a triassic magmatic arc?
... Triassic magmatic arc in the vicinity of the Luang Prabang Basin, giving further support for a “Nan Uttaradit – Luang Prabang ...back arc development and subsequent arc closure put forward by ...
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Neoarchean magmatic arc in the Western Liaoning Province, northern North China Craton : geochemical and isotopic constraints from sanukitoids and associated granitoids
... Pb/ 206 Pb age of 2577 ± 15 Ma and highest Th/U ratio of 0.77, which is much older than the other three concordant analyses, and consistent with the apparent 207 Pb/ 206 Pb ages of the magmatic zircons (2578-2549 ...
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Seismic anisotropy from compositional banding in granulites from the deep magmatic arc of Fiordland, New Zealand
... We conclude the apparent seismic 488 anisotropy originates from the compositional banding of plagioclase versus pyroxene ± 489 garnet, minerals that exhibit contrasting elastic constants[r] ...
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Application of Spectral Analysis in Mapping Hydrothermal Alteration of the Northwestern Part of the Kerman Cenozoic Magmatic Arc, Iran
... The aims of the present study are to (1) perform directed principal component analysis (DPCA), apply spectral angle mapper (SAM) and linear spectral unmixing (LSU) to map zones of hy[r] ...
18
Kraus, Stefan (2005): Magmatic dyke systems of the South Shetland Islands volcanic arc (West Antarctica): reflections of the geodynamic history. Dissertation, LMU München: Fakultät für Geowissenschaften
... Peninsula magmatic arc developed as part of the Andean-West Antarctic continental margin from late Triassic to recent ...separate magmatic arc commenced dur- ing the ...the magmatic ...
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Understanding and forecasting phreatic eruptions driven by magmatic degassing
... phreatic eruptions to be (1) the dominance of hydrother- mally altered or lithic components in the eruptive prod- ucts and (2) the involvement of exogenous water (i.e., steam/water not immediately exsolved from melt). ...
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Analysis of Electrical Characteristics of Inter-wire Arc in Cross-Coupling Arc
... plasma arc and higher arc ...the arc column and absorbed by the electrons at the probe tip make it easier for electrons to escape from the probe ...plasma arc col- umn expands, and the ...
9
On the Trail of Joan of Arc
... of Arc sites ...of Arc history underfoot or ...of Arc taken by this author was organized by tourism representatives who operated separately without much coordination at the regional ...
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Melt inclusion record of magmatic immiscibility in crustal and mantle magmas
... evolved magmatic systems, the components of a dispersed hydrosaline phase must have varying composition, because of the variability of diffusion rates for different ...
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Stable vanadium isotopes as a redox proxy in magmatic systems
... of arc lavas, complemented by non-arc lavas and two co-genetic suites of fraction- ating magmas, to explore the potential of V isotopes as a redox ...of arc and non-arc magmas with similar MgO ...
5
Alkaline Earth Element Partitioning in Simplified Magmatic Systems
... any magmatic process occurring within 8000 years, or five half-lives of 226 ...in magmatic systems experiencing plagioclase crystallization produces an apparent crystallization age older than that of the ...
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Electromagnetism and the Arc Efficiency of Electric Arc Steel Melting Furnaces
... the arc, where the current density increases, and the electro- magnetic compression by the intrinsic magnetic field increases, creating a longitudinal pressure ...the arc axis toward the anode; thus, part ...
10
The arc arises: The links between volcanic output, arc evolution and melt composition
... Glass inclusions can provide detailed insights into magmatic systems since they represent distinct magma batches trapped dur- ing melt ascent from the mantle source region to the surface. In this respect, olivine ...
12
Investigation on Arc Behavior of Interrupted Pulsed Argon Arc Welding
... According to the theory of magnetohydrodynamics and multi-physics coupling analysis finite element technology, the numerical analysis model of arc in the process of micro-heat repair is established. The ...
5
Magmatic hydrothermal volatile exsolution and mineralisation in Tasmanian Sn granites
... the magmatic system, a mechanism that has been proposed for the genesis of similar textures in quartz, plagioclase, calcite and dolomite ...granite-related magmatic-hydrothermal fluids, will give rise to ...
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