Upper crustal investigation of the Gulf of Saint Lawrence region, eastern Canada using ambient noise tomography
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Geophysical Research"
DOI: 10.1002/2016jb013865
Abstract: We studied the 3-D shear-wave velocity (Vs) structure in the Gulf of St. Lawrence (GSL) and adjacent onshore areas to 20 km depth by inverting Rayleigh-wave dispersion extracted from the vertical components of continuous ambient… read more here.
Keywords: lawrence; geometry; noise; gulf ... See more keywords
Control of early-formed vesicle cylinders on upper crustal prismatic jointing in compound pāhoehoe lavas of Elephanta Island, western Deccan Traps, India
Sign Up to like & getrecommendations! Published in 2017 at "Bulletin of Volcanology"
DOI: 10.1007/s00445-017-1147-3
Abstract: Upper crustal prismatic joints and vesicle cylinders, common in pāhoehoe lava flows, form early and late, respectively, and are therefore independent features. However, small-scale compound pāhoehoe lava lobes on Elephanta Island (western Deccan Traps, India),… read more here.
Keywords: crustal prismatic; vesicle cylinders; hoehoe; elephanta island ... See more keywords
Origin of warm springs in Banks Peninsula, New Zealand
Sign Up to like & getrecommendations! Published in 2017 at "Applied Geochemistry"
DOI: 10.1016/j.apgeochem.2017.09.013
Abstract: Abstract Thermal springs present rare opportunities to locate and interpret the geological drivers of upper-crustal fluid flow. Interpreting the conditions through which crustal fluids are heated and released to the surface is important for advancing… read more here.
Keywords: system; geochemistry; warm springs; banks peninsula ... See more keywords
Upper crustal low-frequency seismicity at Mount St. Helens detected with a dense geophone array
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Volcanology and Geothermal Research"
DOI: 10.1016/j.jvolgeores.2018.06.006
Abstract: Abstract Mount St. Helens has been closely monitored by a permanent network including 16 seismometers located within a 15 km radius, yet some of its diverse seismic signals remain challenging to detect and relate to deformation… read more here.
Keywords: mount helens; mount; array; low frequency ... See more keywords
Incremental growth of an upper crustal, A-type pluton, Argentina: Evidence of a re-used magma pathway
Sign Up to like & getrecommendations! Published in 2017 at "Lithos"
DOI: 10.1016/j.lithos.2017.04.013
Abstract: Abstract Carboniferous igneous activity in the Sierra de Velasco (NW Argentina) led to the emplacement of several magmas bodies at shallow levels ( t = − 5.8 and eHf t in zircon = − 2.9 to − 4.5). The second group… read more here.
Keywords: type pluton; growth upper; incremental growth; crustal type ... See more keywords
Teleseismic virtual-source reverse time migration of upper crustal structures in the Three Gorges region, China
Sign Up to like & getrecommendations! Published in 2024 at "Geophysical Journal International"
DOI: 10.1093/gji/ggae393
Abstract: The Three Gorges (TG) in central China is an earthquake prone region that lacks active-source seismic surveys, hence requiring high-resolution passive seismic imaging to reveal crustal structures in detail. While teleseismic virtual-source reflection (TVR) profiling… read more here.
Keywords: virtual source; upper crustal; teleseismic virtual; source ... See more keywords
Upper‐Crustal Anisotropy of the Conjugate Strike‐Slip Fault Zone in Central Tibet Analyzed Using Local Earthquakes and Shear‐Wave Splitting
Sign Up to like & getrecommendations! Published in 2019 at "Bulletin of the Seismological Society of America"
DOI: 10.1785/0120180333
Abstract: Remarkable V‐shaped conjugate strike‐slip faults extend along the Bangong–Nujiang suture in central Tibet. Motions of these faults are considered to accommodate ongoing east–west extension and north–south contraction. Fabrics within the fault zone that are anisotropic… read more here.
Keywords: strike slip; central tibet; upper crustal; conjugate strike ... See more keywords
Oblique reactivation of lithosphere-scale lineaments controls rift physiography – the upper-crustal expression of the Sorgenfrei–Tornquist Zone, offshore southern Norway
Sign Up to like & getrecommendations! Published in 2017 at "Solid Earth"
DOI: 10.5194/se-9-403-2018
Abstract: Abstract. Pre-existing structures within sub-crustal lithosphere may localise stresses during subsequent tectonic events, resulting in complex fault systems at upper-crustal levels. As these sub-crustal structures are difficult to resolve at great depths, the evolution of… read more here.
Keywords: sorgenfrei tornquist; sub crustal; tornquist zone; upper crustal ... See more keywords