Results 181 to 190 of about 124,197 (248)
Emissions of mantle helium and abiotic methane at newly discovered black smokers along the Central Indian ridge (12°S-16°S). [PDF]
Kim H +8 more
europepmc +1 more source
Energy landscapes shape microbial communities in hydrothermal systems on the Arctic Mid-Ocean Ridge. [PDF]
Dahle H +4 more
europepmc +1 more source
Charnockites with 2691–2607 Ma magmatic ages from the NMZ show arc‐magmatic geochemical signatures. They correspond to the lower‐crustal equivalent of the Chilimanzi Suite Granite in the Zimbabwe Craton. Lu‐Hf isotopic data of magmatic zircons show negative εHf(t) values (−11.18 to −2.20) with TDMC ages of 3699–3158 Ma, suggesting their protolith ...
Toshiaki Tsunogae +6 more
wiley +1 more source
Conceptual diagram of hydrological and geochemical processes within the Santa Elena Ophiolite, Costa Rica. It highlights watershed cross‐sections, soil genesis, hyperalkaline Type II waters (pH > 11.6) with calcite crust and trapped H2/CH4 gases, seepage into surface waters, storm‐impacted stream profiles, weathered vs.
Alexandra May +8 more
wiley +1 more source
A universal concept for melting in mantle upwellings. [PDF]
Schmidt MW, Paneva N, Giuliani A.
europepmc +1 more source
Rapid hydrothermal cooling above the axial melt lens at fast-spreading mid-ocean ridge. [PDF]
Zhang C +4 more
europepmc +1 more source
New Zealand Geological Timescale 2025
New Zealand Geological Timescale 2025 (NZGT 2025) is the first comprehensive update and revision of the New Zealand Geological Timescale in a decade. The criteria used to establish age ranges of New Zealand Stages within the NZGT have been reviewed, calibrated, and revised where required against the 2023/04 International Chronostratigraphic Chart and ...
Christopher D. Clowes +13 more
wiley +1 more source
The continental margin of SE New Zealand is strongly influenced by the Southland Current and associated water masses. This new seismic stratigraphic study of the margin has revealed a range of depositional mounds and erosional channels that document the close interaction of turbidity and bottom currents in shaping the margin from the Mid‐Eocene onward.
Onyekachi N. Ibezim +3 more
wiley +1 more source
Presence of continental slivers in oceanic transform faults determined by rift inheritance. [PDF]
Balázs A, Gerya T, Tari G.
europepmc +1 more source
We compared temporal variability in dust and loess accretion in New Zealand's South Island with glacial activity in the central Southern Alps, considered the main mechanism of silt production, in (i) a proximal loess deposit at Barrhill, Rakaia River and (ii) a distal dust record from a peat mire in Central Otago.
Samuel K. Marx +2 more
wiley +1 more source

