Schist ≈ Schist
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Quantifying geological uncertainty in metamorphic phase equilibria modelling; a Monte Carlo assessment and implications for tectonic interpretations Open
Pseudosection modelling is rapidly becoming an essential part of a petrologist’s toolkit and often forms the basis of interpreting the tectonothermal evolution of a rock sample, outcrop, or geological region. Of the several factors that ca…
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Physical and Anthropogenic Factors Related to Landslide Activity in the Northern Peloponnese, Greece Open
The geological, geomorphic conditions of a mountainous environment along with precipitation and human activities influence landslide occurrences. In many cases, their relation to landslide events is not well defined. The scope of the prese…
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Magnitude and symmetry of seismic anisotropy in mica‐ and amphibole‐bearing metamorphic rocks and implications for tectonic interpretation of seismic data from the southeast Tibetan Plateau Open
We calibrated the magnitude and symmetry of seismic anisotropy for 132 mica‐ or amphibole‐bearing metamorphic rocks to constrain their departures from transverse isotropy (TI) which is usually assumed in the interpretation of seismic data.…
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Assessment of WorldView-3 Data for Lithological Mapping Open
The WorldView-3 (WV-3) satellite is a new sensor with high spectral resolution, which equips eight multispectral bands in the visible and near-infrared (VNIR) and additional eight bands in the shortwave infrared (SWIR). In order to meet th…
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Raman characterization of carbonaceous material in the Macraes orogenic gold deposit and metasedimentary host rocks, New Zealand Open
Raman spectroscopic and petrographic analyses were performed on samples collected from zones distal and proximal to the Macraes gold deposit in the Otago Schist of New Zealand to characterize the features and possible origins of Carbonaceo…
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Deeply subducted continental fragments – Part 1: Fracturing, dissolution–precipitation, and diffusion processes recorded by garnet textures of the central Sesia Zone (western Italian Alps) Open
Contiguous continental high-pressure terranes in orogens offer insight into deep recycling and transformation processes that occur in subduction zones. These remain poorly understood, and currently debated ideas need testing. The approach …
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A preserved early Ediacaran magmatic arc at the northernmost portion of the Transversal Zone central subprovince of the Borborema Province, Northeastern South America Open
Magmatic arcs are an essential part of crust-forming events in planet Earth evolution. The aim of this work was to describe an early Ediacaran magmatic arc (ca. 635-580 Ma) exposed in the northernmost portion of the Transversal Zone, centr…
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Study on the Fractal Characteristics of the Pomegranate Biotite Schist under Impact Loading Open
In order to study the fractal characteristics of the pomegranate biotite schist under the effect of blasting loads, a one-dimensional SHPB impact test was carried out to test the dynamic compressive strength, damage morphology, fracture en…
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Investigation of the influence of lineaments, lineament intersections and geology on groundwater yield in the basement complex terrain of Ondo State, Southwestern Nigeria Open
The influence of lineaments, lineament intersections and geology on the groundwater yield of the basement terrain of Ondo State was investigated using optical remote sensing data, Aster DEM, geology, and borehole yield data. Landsat-7 ETM+…
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A Jurassic oceanic core complex in the high-pressure Monviso ophiolite (western Alps, NW Italy) Open
The eclogite-facies Monviso ophiolite in the western Alps displays a complex record of Jurassic rift-drift, subduction zone, and Cenozoic collision tectonics in its evolutionary history. Serpentinized lherzolites intruded by 163 ± 2 Ma gab…
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Determination of Residential Soil Gas Radon Risk Indices Over the Lithological Units of a Southwestern Nigeria University Open
Radiation dose from natural sources is mainly from exposure to radon in the environment. Radon has its origin from uranium-bearing bedrocks and overburden. In the present study, assessment of the level of radon over the three lithological …
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Control of rock joint parameters on deformation of tunnel opening Open
Tunneling in complex rock mass conditions is a challenging task, especially in the Himalayan terrain, where a number of unpredicted conditions are reported. Rock joint parameters such as persistence, spacing and shear strength are the fact…
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Subduction, high‐P metamorphism, and collision fingerprints in South Iran: Constraints from zircon U‐Pb and mica Rb‐Sr geochronology Open
The Esfandagheh region of the Zagros Orogenic Belt is an ideal area to address many aspects of continental convergence between Arabia and Eurasia, including incorporation of Late Neoproterozoic (Ediacaran) basement, subduction‐related magm…
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Lithological, rheological, and fluid infiltration control on<sup>40</sup>Ar/<sup>39</sup>Ar ages in polydeformed rocks from the West Cycladic detachment system, Greece Open
In situ ultraviolet (UV) laser-ablation 40Ar/39Ar dating, microstructural analysis, and stable O, H, and C isotope analyses were performed on white mica–bearing calcite– and quartz–mica schists of the West Cycladic detachment system footwa…
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Contrasting<i>P-T</i>paths within the Barchi-Kol UHP terrain (Kokchetav Complex): Implications for subduction and exhumation of continental crust Open
The Barchi-Kol terrain is a classic locality of ultrahigh-pressure (UHP) metamorphism within the Kokchetav metamorphic belt. We provide a detailed and systematic characterization of four metasedimentary samples using dominant mineral assem…
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Low‐Temperature Frictional Characteristics of Chlorite‐Epidote‐Amphibole Assemblages: Implications for Strength and Seismic Style of Retrograde Fault Zones Open
In retrograde faults exhuming mafic rocks, shearing occurs in metamorphic and/or hydrothermally altered mineral assemblages whose frictional properties are not well known. Here, we present the results of laboratory shearing experiments on …
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Knowledge-driven method: a tool for landslide susceptibility zonation (LSZ) Open
The Sikkim state, including Gangtok, is dominated by Precambrian rocks which contain foliated schists and phyllites; slopes are therefore susceptible to frequent landslides. The recent development of roads and building structures make this…
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Structure of the Los Angeles Basin from ambient noise and receiver functions Open
A velocity (Vs) and structure model is derived for the Los Angeles Basin, California based on ambient-noise surface wave and receiver-function analysis, using data from a low-cost, short-duration, dense broad-band survey (LASSIE) deployed …
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Bedrock geology of DFDP-2B, central Alpine Fault, New Zealand Open
During the second phase of the Alpine Fault, Deep Fault Drilling Project (DFDP) in the Whataroa River, South Westland, New Zealand, bedrock was encountered in the DFDP-2B borehole from 238.5–893.2 m Measured Depth (MD). Continuous sampling…
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Empirical methods for determining shaft bearing capacity of semi-deep foundations socketed in rocks Open
Semi-deep foundations socketed in rocks are considered to be a viable option for the foundations in the presence of heavy load imposed by high-rise structures, due to the low settlement and high bearing capacity. In the optimum design of s…
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Correlation assessment between degradation ratios of UCS and non-destructive properties of rock under freezing-thawing cycles Open
Bedrocks of engineering projects are commonly affected by freezing-thawing (F-T) process in mountainous areas. Consequently, determining the degradation rate of rocks due to F-T cycles in cold areas has a key role in project design and its…
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La Colosa Au Porphyry Deposit, Colombia: Mineralization Styles, Structural Controls, and Age Constraints Open
The La Colosa porphyry Au deposit is located on the eastern flank of the Central Cordillera of Colombia, within the Middle Cauca metallogenic belt. The deposit contains more than 800 t (22.37 Moz) Au at grades up to 0.8 g/t and is hosted b…
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Temperature micro-mapping in oscillatory-zoned chlorite: Application to study of a green-schist facies fault zone in the Pyrenean Axial Zone (Spain) Open
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Tunnel spoil recycling for concrete production at the Brenner Base tunnel in Austria Open
In the construction of major tunnel structures, large quantities of rock material are generated by the excavation of, for example, tunnels or caverns out of the in situ rock mass. Excavated rock material was often considered as undesired b…
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Oriented multiphase needles in garnet from ultrahigh-temperature granulites, Connecticut, U.S.A. Open
This study investigates distinctive oriented, needle-shaped multiphase inclusions found within cores of garnets from felsic granulites of the Upper Member of the Bigelow Brook Formation and the Brimfield Schist (northeastern Connecticut, U…
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Molybdenum-isotope signals and cerium anomalies in Palaeoproterozoic manganese ore survive high-grade metamorphism Open
Molybdenum (Mo) and its isotopes have been used to retrieve palaeoenvironmental information on the ocean–atmosphere system through geological time. Their application has so far been restricted to rocks least affected by severe metamorphism…
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The Chapada Cu–Au deposit, Mara Rosa magmatic arc, Central Brazil: Constraints on the metallogenesis of a Neoproterozoic large porphyry-type deposit Open
The large Chapada Cu–Au deposit is situated in Goiás Magmatic Arc, Central Brazil, which is part of an accretionary orogen with tectonic evolution between ca. 900 and 600 Ma during the Brasiliano Orogeny. With a current reserve (proven and…
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Identification of coesite-bearing amphibolite in the North Qinling and its geological significance Open
Table S1 Chemical compositions (wt%) of garnet in zircons from Danfeng amphibolite a)
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3D Electrical Resistivity Imaging (ERI) for subsurface evaluation in pre-engineering construction site investigation Open
Three Dimensional (3D) Electrical Resistivity Imaging (ERI) was carried out for pre-construction foundation investigation of a proposed engineering construction site within the University of Ibadan Campus, south-western Nigeria, where some…
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Adsorption of methylene blue on bituminous schists from Tarfaya-Boujdour Open
In this work, the reactivity of the surface of bituminous schists has been studied using a cation adsorbent, so-called Methylene Blue (MB). This bituminous schist is a calcareous clay rock that contains some amounts of organic matter. The …