Results 121 to 130 of about 1,569 (144)
Boreas, Volume 55, Issue 4, Page 1208-1227, October 2026.The glacierized Valle Frías in Northern Patagonia is one of the best‐studied valleys in South America and includes varved sediments from Lago Frías. We complement this lacustrine record with a high‐resolution documentation of varve counts and their composition.
Bernd Zolitschka +6 more
wiley +1 more source
Understanding Surface Interfacial Phenomena During Tricalcium Silicate Dissolution From TEM and XRR
Journal of the American Ceramic Society, Volume 109, Issue 10, October 2026.ABSTRACT Understanding the dissolution mechanism of tricalcium silicate (C3S) is essential for interpreting its reactivity in cementitious systems. While the dissolution mechanism of C3S has been considered to follow the classical leached‐layer model, the mechanism has also been proposed to occur through the coupled interfacial dissolution ...
Aidyn Tugelbayev +5 more
wiley +1 more source
Journal of Microscopy, Volume 304, Issue 1, Page 65-74, October 2026.Abstract Iron‐sulphide‐bearing aggregates can compromise concrete durability when reactive sulphide phases, particularly pyrrhotite (Fe1–xS), oxidise and contribute to internal sulphate attack, cracking, and premature deterioration. Existing aggregate assessment methods, including bulk sulphur measurements, petrographic examination, oxygen consumption ...
Joshua O. Atiba +2 more
wiley +1 more source
Meteoritics &Planetary Science, Volume 61, Issue 10, Page 2466-2475, October 2026.Abstract Shergottites are the most abundant meteorites from Mars and a major source of information on magma reservoirs, transport, and eruption, particularly in the late Hesperian northern hemisphere. Conflicting interpretations have arisen on the crystallization conditions of pyroxene in olivine‐phyric shergottites.
Roger H. Hewins +2 more
wiley +1 more source
Meteoritics &Planetary Science, Volume 61, Issue 10, Page 2549-2566, October 2026.Abstract This study investigates the petrography and mineralogy of three L‐type ordinary chondrite meteorites: Northwest Africa (NWA) 4137 (L6), Homestead (L5), and Kunashak (L6). We studied the shock‐related deformation features in the matrix and the characteristics of the melt veins, including the presence or absence of high‐pressure (HP) phases. Our
S. Effraimidou +7 more
wiley +1 more source
Sedimentology, Volume 73, Issue 6, Page 2488-2518, October 2026.ABSTRACT Previous studies have documented genetic divergence within the last few million years between northern and southern populations of terrestrial plants and animals along the Baja California peninsula, with many studies hypothesising that the divergence is due to an ancient seaway that crossed the central peninsula and created a physical barrier ...
Kevin K. Gardner +8 more
wiley +1 more source
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