Results 161 to 170 of about 45,988 (266)

A volcano reawakens after more than 100,000 years of "silent" magma reservoir growth. [PDF]

Sci Adv
Popa RG, Bachmann O, Guillong M, Giuliani A.   +3 more
europepmc   +1 more source

Dolomitic Microfossil Preservation in a Cryogenian Microbial Reef, Arkaroola (South Australia)

Geobiology, Volume 24, Issue 5, September/October 2026.
ABSTRACT Microbial dolostones that now form the Arkaroola reef, northern Adelaide Rift Complex, and were deposited during the Cryogenian interglacial period, display a wide range of meso‐scale stromatolite morphotypes in outcrop. Microcharacterisation involving optical microscopy, combined scanning electron microscopy and energy dispersive spectroscopy
France Champenois, Maree L. Corkeron, Annette D. George   +2 more
wiley   +1 more source

Paleoarchean deep crustal hydration and oxidation induced by subduction-driven water recycling. [PDF]

Sci Adv
Zhou D, Ge R, Wilde SA, Collins WJ, Kemp AIS, Lian D, Cai P, Wang X.   +7 more
europepmc   +1 more source

Virulent Parasites Emerge in Hosts With Rising Temperatures

Global Change Biology, Volume 32, Issue 9, September 2026.
Using experimental evolution we explored the short‐term trajectory of parasite evolution—at the phenotypic and genomic scales—across environmentally relevant temperatures in a thermally mismatched host–parasite interaction. Our findings suggest that shifting environmental temperatures will leave phenotypic and genomic signatures on evolving parasites ...
Tobias E. Hector, Julia M. Kreiner, James C. Forward, Kim L. Hoang, Emily J. Stevens, Serena Johnson, Jingdi Li, Kayla C. King   +7 more
wiley   +1 more source

Chang'e-6 farside anorthosites indicate hemispherically comparable magma ocean solidification. [PDF]

Nat Commun
Wang Z, Chen H, Chen Y, Su B, Mitchell RN, Zhou Q, Yang S, Yue Z, Jia L, Zhang D, Li X, Yuan J, Wu S, Liu L, Li QL, Li CL, Li XH, Wu FY.   +17 more
europepmc   +1 more source

Assessment and Correction of Non‐Linearity Effects for In Situ Rb‐Sr Geochronology Applied to High 87Rb/86Sr Mica

Geostandards and Geoanalytical Research, Volume 50, Issue 3, Page 601-624, September 2026.
Key Points Measurement of 86Sr at count rates < 1500 cps can result in statistical bias. Non‐linear signals in analogue detection mode (e.g., Rb) present a challenge for accurately dating high 87Rb/86Sr mica (> 1000). Accounting for these considerations, high 87Rb/86Sr mica are dated here with accuracies of ∼ 1%.
Duane C. Petts, William J. Davis, Simon E. Jackson, Jamie A. Cutts, Janina Czas, Alfredo Camacho   +5 more
wiley   +1 more source

Submillennial timescales of eruptible rhyolite magma: Converging evidence from Aira Caldera, Japan. [PDF]

Sci Adv
Pitcher BW, Gualda GAR, Geshi N.
europepmc   +1 more source

Resolving Micrometre‐Scale Zircon Growth in Silicic Systems by 7 μm LA‐MC‐ICP‐MS U‐Pb Dating: Linking Petrology and Geochronology in Silicic Volcanic and Granitic Rocks from Victoria, Australia

Geostandards and Geoanalytical Research, Volume 50, Issue 3, Page 625-647, September 2026.
Key Points 7 μm spot‐diameter LA‐MC‐ICP‐MS analyses yield accurate zircon U‐Pb ages. 1013 Ω amplifier resistors improve low‐signal Pb measurements. Saturn correction protocols minimise down‐hole fractionation effects. We present a systematic evaluation of high spatial‐resolution zircon U‐Pb dating using a Thermo Scientific Neoma multi‐collector ICP‐MS ...
Cristiano Lana, John D. Clemens
wiley   +1 more source

Late Cenozoic exhumation in the eastern Junggar Basin: Evidence from zircon (U-Th)/He ages of combustion metamorphic rocks. [PDF]

PLoS One
Chen B, Liu P, Dong Y, Feng C, Zhao Z, Yang C, Dong Y.   +6 more
europepmc   +1 more source

(Ultra)high‐Pressure Metamorphism in Sedimentary Versus Basaltic Rocks: Insights From a Variscan Mélange in the South Carpathians

Journal of Metamorphic Geology, Volume 44, Issue 8, Page 585-610, September 2026.
ABSTRACT Reconstructing the pressure–temperature–time (P–T–t) evolution of (ultra)high‐pressure rocks is essential for constraining subduction and collisional dynamics. Subduction zones are often investigated using basic eclogites, whereas nonbasic high‐pressure rocks remain comparatively understudied, potentially hindering a comprehensive ...
Otavio S. G. Silva, Bruno V. Ribeiro, Gavril Săbău, Fabricio Caxito, Paulo A. de Paiva‐Silva, Pierre Lanari, George Luvizotto, Mahyra Tedeschi   +7 more
wiley   +1 more source