Results 21 to 30 of about 14,200 (125)
Frontiers in Earth Science, 2023 Density perturbations in the subsurface are the main driver of mantle convection and can contribute to lithospheric deformation. However, in many places the density structure in the subsurface is poorly constrained.
Emmanuel A. Njinju +2 more
doaj +1 more source
Dizhi lixue xuebao, 2021 Based on a regional geological survey at a scale of 1:50000, it reveals that the volcanic rocks from the Baiyin'gaolao Formation of Gaoyaowula in Inner Mongolia could be divided into three lithologic segments by the triple mapping method of "volcanic ...
DONG Peipei +5 more
doaj +1 more source
Journal of Applied Volcanology, 2018 Global Synthetic Aperture Radar (SAR) measurements made over the past decades provide insights into the lateral extent of magmatic domains, and capture volcanic process on scales useful for volcano monitoring.
S. K. Ebmeier +15 more
doaj +1 more source
Observing eruptions of gas-rich compressible magmas from space
Nature Communications, 2016 Satellite observations are an important tool in volcano monitoring, but observations such as ground deformation and gas emissions are treated independently. Here, the authors present a model coupling them through their link to magma volatile contents and
Brendan McCormick Kilbride +2 more
doaj +1 more source
An Effusive Lunar Dome Near Fracastorius Crater: Spectral and Morphometric Properties
Remote Sensing, 2022 We examine a dome within the boundary between Fracastorius crater and Mare Nectaris. The dome has a noticeable vent structure and appears to be perpendicular to wrinkle ridges in the southern Mare Nectaris basin.
Caitlin Ahrens, Raffaello Lena
doaj +1 more source
A subduction and mantle plume origin for Samoan volcanism
Scientific Reports, 2018 The origin of Samoan volcanism in the southwest Pacific remains enigmatic. Whether mantle melting is solely caused by a mantle plume is questionable because some volcanism, here referred to as non-hotspot volcanism, defies the plume model and its linear ...
Vincent Strak, Wouter P. Schellart
doaj +1 more source
Komatiitic explosive volcanism and its tectonic setting in Finland, the Fennoscandian (Baltic) Shield [PDF]
Bulletin of the Geological Society of Finland, 1990 The variously explosive komatiitic volcanism in Finland was virtually confined to the Archaean continental segment, where it occurred in the Lapland and Kuhmo‒ Suomussalmi greenstone belts between 3.0 Ga and 2.5 Ga, in the continental borderland at 1.97 ...
M. Saverikko
doaj +1 more source
Deep Learning Investigation of Mercury’s Explosive Volcanism
Remote Sensing, 2023 The remnants of explosive volcanism on Mercury have been observed in the form of vents and pyroclastic deposits, termed faculae, using data from the Mercury Atmospheric and Surface Composition Spectrometer (MASCS) onboard the Mercury surface, space ...
Mireia Leon-Dasi +2 more
doaj +1 more source
Indonesian Journal on Geoscience, 2016 DOI:10.17014/ijog.3.2.77-94Bayat Complex is usually used as a work field for students of geology and other geosciences. The study area is located in the southern part of the Bayat Complex.
Sri Mulyaningsih
doaj +1 more source
Earth and Space Science, 2023 Wavelength‐dependent mid‐infrared (400–1,800 cm−1; 5.56–25 μm) optical constants (real and imaginary indices of refraction; n and k) are determined using reflectance spectra at a spectral sampling of 4 cm−1 for several silicate glasses of varying SiO2 wt%
I. Varatharajan +3 more
doaj +1 more source