Results 61 to 70 of about 725,978 (300)
PALEOENVIRONMENTS RECONSTRUCTED FROM THE ANALYSES OF LOESS SEQUENCES ON SUSAK ISLAND, ADRIATIC SEA [PDF]
Acta Geographica Debrecina. Landscape & Environment Series, 2017 Susak Island is the outermost member of the archipelago of the Kvarner Bay, North Adriatic Sea, Croatia. Its long-term landscape evolution is defined by tectonic movements.
ÉVA KIS +2 more
doaj +1 more source
Journal of Economic Geology, 2021 Introduction The Gaz Boland area is located in the northwest of Shahr-e-Babak city within the southern extension of the Urumieh-Dokhtar magmatic arc. The extended convergence history of the Neo-Tethys Ocean between Arabia and Eurasia (from ∼150 to 0 Ma)
Malihe Golestani
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Raman Spectroscopy of Amphibole Inclusions in Emeralds
Journal of Raman Spectroscopy, EarlyView.Emeralds containing elongated amphibole inclusions from Austria, Russia, Zambia and Zimbabwe were investigated with an optical microscope and Raman spectroscopy. The inclusions have various sizes and shapes; curved inclusions are frequently observed in emeralds from Zimbabwe and rarely in those from Zambia.
Stefanos Karampelas +2 more
wiley +1 more source
Occurrence of niobium in biotite-type Fe-REE-Nb ore in the Bayan Obo deposit
Solid Earth Sciences, 2023 The Bayan Obo REE-Nb-Fe deposit, which reserves the current largest REE resources globally, also hosts 63.4% of China's Nb resources. Previous studies mainly focus on the isotopes and petrographic mineralogy of carbonatite dyke, ore-host dolomite and ...
Yisu Ren, Xiaoyong Yang, Xiaoxia Wang
doaj
Gravity inversion of deep-crust and mantle interfaces in the Three Gorges area
Geodesy and Geodynamics, 2012 To better understand the heterogeneity of deep-crust and mantle interfaces in the region of the Three Gorges, China, we used the Parker-Oldenburg iterative inversion method to invert existing Bouguer gravity data from the Three Gorges area (1 : 500000 ...
Wang Jian +4 more
doaj +1 more source
Limnology and Oceanography Letters, EarlyView.Abstract The Japanese turban snail Lunella coreensis is sensitive to ocean currents due to its short pelagic larval stage and moderate dispersal ability, making it an ideal model for studying genetic diversity shaped by paleoclimatic shifts. In this study, we analyzed the mitochondrial genes COI and 12S of museum samples collected from various coasts ...
Davin H. E. Setiamarga +5 more
wiley +1 more source
Nordic Journal of Botany, EarlyView.Winter deciduous forests signify a relict ecosystem that survives restricted to microclimatic zones of high mountains in the western Mediterranean Basin and they are well represented in the southern Iberian Peninsula (Sierra Nevada, Spain). Given the scarce knowledge of their phenological behaviour, the aim of this work was to obtain the annual ...
Manuel Pavón‐Núñez +2 more
wiley +1 more source
Solid Earth Sciences, 2021 The Tengshan'ao Sn deposit, located at the Dayishan ore field, Nanling Range, is one of the recently explored deposits in this region. In this study, LA-MC-ICP-MS cassiterite U–Pb and muscovite 40Ar-39Ar isotopic dating analyses for altered granite-type ...
Zunzun Zhang +9 more
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Isotopic composition of lead from dikes and ores of the Vorontsovkoe gold deposit (Northern Urals)
Литосфера, 2020 Research subject. The Vorontsovskoe deposit belongs to gold deposits, in which gold is disseminated finely across carbonate-terrigenous rocks (Carlin-type). This study was aimed at identifying the sources of lead in various ore types (in skarn, jasperoid,
V. V. Murzin +6 more
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Petrology, geochemistry and petrogenesis of volcanic band rocks in North of Tabriz, NW Iran [PDF]
پترولوژی, 2017 The studied volcanic rocks are located in 35 km North West of Tabriz and consists of dacite, andesite, basalt and basaltic andesite. Based on structural geology evidences, this area is part of west Alborz – Azerbaijan zone. Plio - Quaternary volcanism is
Mahdiyeh Fazelihagh +2 more
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