Results 61 to 70 of about 2,366,156 (316)

Multiphase Tectonic Process With Slab Dynamics in the Northern East China Sea Shelf Basin

Geological Journal, EarlyView.
Megasequence 1 characterised by Palaeocene extension and differential subsidence driven by the rollback of the subducting Izanagi Plate. Megasequence 2 records a kinematic reorganisation of the East Asian margin, transition from a rifting to a compressional regime.
Juhwan Woo, Won‐Ki Kim, Chul Woo Rhee, Seungyeol Lee   +3 more
wiley   +1 more source

Subduction Dynamics and Mantle Pressure: 2. Towards a Global Understanding of Slab Dip and Upper Mantle Circulation

Geochemistry, Geophysics, Geosystems, 2020
We investigate the relationship between the global distribution of deep slab dips (at 250‐ to 300‐km depth) and pressure and circulation in the upper mantle.
Adam F. Holt, Leigh H. Royden
doaj   +1 more source

Inferences of mantle viscosity based on ice age data sets: Radial structure [PDF]

, 2016
We perform joint nonlinear inversions of glacial isostatic adjustment (GIA) data, including the following: postglacial decay times in Canada and Scandinavia, the Fennoscandian relaxation spectrum (FRS), late-Holocene differential sea level (DSL ...

core   +2 more sources

Geochemical and Geological Investigation of Skarn‐Type Pb–Zn Mineralization in Hastanetepe (Balya‐Balıkesir, Türkiye): An Approach Based on Fluid Inclusions, Sulphur Isotopes and Geochemical Data

Geological Journal, EarlyView.
Integrated petrographic, mineralogical and geochemical data from the Hastanetepe Pb–Zn deposit (Balya, Türkiye) reveal multi‐stage hydrothermal alteration and a magmatic sulphur source. Fluid inclusion and sulphur isotope results indicate a complex fluid evolution responsible for skarn‐type Pb–Zn mineralization along limestone–dacite contacts ...
Esra Ünal‐Çakır
wiley   +1 more source

Oral Cryptococcosis due to Naganishia diffluens in a Patient With Thalassemia: A Case Report and a Literature Review

Journal of Clinical Laboratory Analysis, EarlyView.
Naganishia diffluens, a rare non‐neoformans cryptococcal species, was identified by PCR sequencing as the causative agent of oral cryptococcosis in a 31‐year‐old Iranian man with β‐thalassemia. This case represents the first documented instance of oral infection by N.
Zahra Yahyazadeh, Zeynab Haseli, Javad Javidnia, Mahdi Abastabar, Eisa Nazar, Hosein Jalali, Mohamad Taghi Hedayati, Hossein Karami, Mohsen Nosratabadi, Lotfollah Davoodi, Seyyed Reza Aghili, Maryam Moazeni, Iman Haghani, Hamid Badali   +13 more
wiley   +1 more source

Upper-mantle velocity structures beneath the Tibetan Plateau and surrounding areas inferred from triplicated P waveforms

Earth and Planetary Physics, 2019
P-wave waveforms in the distance range between 12° and 30° were analyzed to investigate upper-mantle P velocity structures beneath the Tibetan Plateau and surrounding areas.
RiSheng Chu, LuPei Zhu, ZhiFeng Ding
doaj   +1 more source

New numerical approaches for modeling thermochemical convection in a compositionally stratified fluid

, 2017
Seismic imaging of the mantle has revealed large and small scale heterogeneities in the lower mantle; specifically structures known as large low shear velocity provinces (LLSVP) below Africa and the South Pacific.
He, Ying, Kellogg, Louise H, Lokavarapu, Harsha, Puckett, Elbridge Gerry, Robey, Jonathan M, Turcotte, Donald L   +5 more
core   +2 more sources

Deglaciation of the Burren glacio‐karst, western Ireland, during Termination 1: Implications for North Atlantic climate and karstification

Journal of Quaternary Science, EarlyView.
Abstract The Burren uplands in western Ireland form one of the most extensive and best‐preserved examples of glacio‐karst in Europe. Subsumed by the Irish ice sheet during the Late Pleistocene, granite erratic boulders and in situ silica veins in the limestone bedrock provide a rare opportunity to reconstruct the timing and rate of deglaciation ...
Gordon Bromley, Colin Bunce, Brenda Hall, Aaron Putnam, Frank McDermott   +4 more
wiley   +1 more source

Broadband Seismic Deployments for Imaging the Upper Mantle Structure in the Lützow-Holm Bay Region, East Antarctica

International Journal of Geophysics, 2011
Broadband seismic deployments have been carried out in the Lützow-Holm Bay region (LHB), Dronning Maud Land, East Antarctica. The recorded teleseismic and local events are of sufficient quality to image the structure and dynamics of the crust and mantle
Masaki Kanao, Yusuke Usui, Tomofumi Inoue, Akira Yamada   +3 more
doaj   +1 more source

The energetics of melting fertile heterogeneities within the depleted mantle [PDF]

To explore the consequences of mantle heterogeneity for primary melt production, we develop a mathematical model of energy conservation for an upwelling, melting body of recycled oceanic crust embedded in the depleted upper mantle.
Katz, R. F., Rudge, John F.
core   +1 more source