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Earth-Science Reviews
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#1Harald Furnes (University of Bergen)H-Index: 49
#2Yildirim Dilek (Miami University)H-Index: 54
Last. M. Santosh (University of Adelaide)H-Index: 90
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Abstract Ophiolites are important archives of oceanic crust development and preservation in the rock record, and the Alpine-Himalayan Orogenic Belt (AHOB) is one of the most comprehensive ophiolite depositories in earth’s history. We have compiled published data on the field occurrences and geochemistry from 137 AHOB ophiolites, ranging in age from Triassic through Cretaceous, in order to characterize the nature of the Mesozoic Neotethyan oceanic crust. We have used in this synthesis our recent ...
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#1Octavian Catuneanu (U of A: University of Alberta)H-Index: 41
#2Massimo ZecchinH-Index: 22
Abstract Parasequences were introduced as the building blocks of seismic-scale systems tracts in the context of low-resolution seismic stratigraphy. Pitfalls of this concept relate to the definition of parasequence boundaries as lithological discontinuities that mark episodes of abrupt water deepening. With this general meaning, ‘flooding surfaces’ may be facies contacts within transgressive deposits, or may coincide with different types of sequence stratigraphic surfaces (maximum regressive, tr...
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#1Daniel Vázquez-Tarrío (University of Lyon)H-Index: 5
#1Daniel Vázquez-Tarrío (University of Lyon)
Last. Rosana Menéndez-Duarte (University of Oviedo)H-Index: 6
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Abstract The surface of the streambed in gravel-bed rivers is commonly coarser than the underlying bed material. This surface coarsening, or ‘armouring’, is usually described by means of the ratio between surface and subsurface grain-size metrics (the ‘armour ratio’). Such surface coarsening is typical of river reaches that are degrading due to a deficit in sediment supply (e.g. gravel-bed reaches below dams or lakes), but non-degrading gravel-bed streams may also exhibit some degree of armourin...
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#1Min Chen (Nanjing Normal University)H-Index: 73
#2Alexey VoinovH-Index: 34
Last. Cecelia DeLuca (ESRL: Earth System Research Laboratory)H-Index: 1
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Abstract: Integrated geographic modelling and simulation is a computational means to improve understanding of the environment. With the development of Service Oriented Architecture (SOA) and web technologies, it is possible to conduct open, extensible integrated geographic modelling across a network in which resources can be accessed and integrated, and further distributed geographic simulations can be performed. This open web-distributed modelling and simulation approach is likely to enhance th...
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#1Katie E. Miles (Aberystwyth University)H-Index: 4
#2Bryn Hubbard (Aberystwyth University)H-Index: 34
Last. Ann V. Rowan (University of Sheffield)H-Index: 12
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Abstract The hydrological characteristics of debris-covered glaciers are known to be fundamentally different from those of clean-ice glaciers, even within the same climatological, geological, and geomorphological setting. Understanding how these characteristics influence the timing and magnitude of meltwater discharge is particularly important for regions where downstream communities rely on this resource for sanitation, irrigation, and hydropower, such as High Mountain Asia. The hydrology of de...
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#1Alik Ismail-Zadeh (KIT: Karlsruhe Institute of Technology)H-Index: 20
#2Shota Adamia (TSU: Tbilisi State University)H-Index: 11
Last. Mikhail K. Kaban (RAS: Russian Academy of Sciences)H-Index: 26
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Abstract Being a part of ongoing continental collision between the Arabian and Eurasian plates, the Caucasus region is a remarkable site of moderate to strong seismicity, where devastating earthquakes caused significant losses of lives and livelihood. In this article, we survey geology and geodynamics of the Caucasus and its surroundings; magmatism and heat flow; active tectonics and tectonic stresses caused by the collision and shortening; gravity and density models; and overview recent geodeti...
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#1Barros Luiz Fernando de Paula (UFMG: Universidade Federal de Minas Gerais)
#1Luiz Fernando de Paula Barros (UFMG: Universidade Federal de Minas Gerais)H-Index: 4
Last. Antônio Pereira Magalhães Júnior (UFMG: Universidade Federal de Minas Gerais)H-Index: 5
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Abstract This paper identifies and discusses the major phases of relief evolution resulting from fluvial processes during the Late Quaternary in the Quadrilatero Ferrifero (QF) region (Atlantic Plateau) and contextualises them as strong indicators of the past tectonic and climatic influences on landscape evolution in the Brazilian highlands. Seven regional phases of fluvial level development (terraces and modern floodplains) were identified based on geomorphological and stratigraphic aspects and...
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#1Carl Spandler (University of Adelaide)H-Index: 31
#2Paul Slezak (JCU: James Cook University)H-Index: 3
Last. Teimoor Nazari-Dehkordi (UJ: University of Johannesburg)
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Abstract Australia is host to a diverse range of rare earth element (REE) ore deposits, and therefore is well placed to be a major supplier of REE into the future. This paper presents a review of the geology and tectonic setting of Australia's hard-rock REE resources. The deposits can be classified into four groups: 1. Carbonatite associated; 2. Peralkaline/alkaline volcanic associated; 3. Unconformity related, and; 4. Skarns and iron-oxide‑copper‑gold (IOCG) related. With the exception of the u...
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#1Jiří Žák (Charles University in Prague)H-Index: 21
#2Martin SvojtkaH-Index: 14
Last. Lukáš AckermanH-Index: 16
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Abstract The detrital zircon U–Pb geochronology has been widely employed to analyze accretionary wedges over the past decade. The goal of this paper is, first, to briefly review this rapidly growing field of research and then to explore the exciting potential of the detrital zircon geochronology for interpreting processes in accretionary wedges. A few general conclusions may be derived especially from examples along the Circum-Pacific Belt as well as from the Blovice accretionary complex, Bohemi...
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#1Rong Xu (China University of Geosciences)
#2Yongsheng Liu (China University of Geosciences)
Last. Sarah Lambart (UofU: University of Utah)H-Index: 8
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Abstract Large igneous provinces on Earth result from anomalously enormous volcanic eruptions at high melt production rates. These eruptions are often linked to catastrophic events such as mass extinctions, global climate changes, or continental break-up. Decoding their petrogenesis is therefore of great importance for our comprehensive understanding of the evolution and geodynamics of our planet. The ~260 Ma Emeishan large igneous province is an important geological feature of SW China with wor...
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