Results 291 to 300 of about 114,172 (349)
The Depositional Record, Volume 12, Issue 1, February 2026.We propose that one of the largest known bioconstructions (the Monte Zenone bioherm) in the Southern Alps, northern Italy, and its growth on a tilted and drowned platform block of the Norian Dolomia Principale was controlled by hydrothermal dolomitisation from fault‐controlled fluids during the Late Triassic–Early Jurassic rifting phase. Dolomitisation
Martin Müller +3 more
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Phylogenetic Relationships of Plant Bugs Based on Mitochondrial Genomes (Heteroptera: Miridae)
Ecology and Evolution, Volume 16, Issue 2, February 2026.This study for the first time employs mitochondrial genomes to resolve Miridae phylogeny, with 42 species spanning 39 genera across six of the seven currently recognized subfamilies. Bryocorinae is paraphyletic as the stem groups of Miridae. These findings provide a progressive phylogenetic framework with new significance for the future phylogenetic ...
Jia‐Dong Yin +3 more
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eFood, Volume 7, Issue 1, February 2026.Stroke is a neurological impairment caused by vascular injury of the central nervous system, and globally, stroke is ranked as the second most common cause of death and disability. Numerous risk factors, disease processes, and mechanisms can contribute to stroke, which is not a single disease. G.
Ali Ikram +6 more
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Earth Surface Processes and Landforms, Volume 51, Issue 2, February 2026.We provide a geomorphological analysis of Cordillera Vilcanota and use morphostratigraphic principles to reconstruct palaeo icefield extent and palaeoglacier readvances, likely during the Antarctic Cold Reversal and Younger Dryas. We find evidence of temperate and polythermal ice margins, with limited glaciofluvial landform generation.
Bethan Davies +11 more
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Raman Spectroscopic Analysis and In Situ Heating Experiments on Adranosite Minerals
Journal of Raman Spectroscopy, Volume 57, Issue 2, Page 343-359, February 2026.This study provides the first detailed Raman spectroscopic characterization of rare ammonium sulfates adranosite, iron‐rich adranosite, and adranosite‐(Fe) from volcanic and coal‐fire environments. Distinct spectral features reveal compositional differences and structural effects of Fe substitution.
Filip Košek +4 more
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Depositional Environments of the Pictured Cliffs Sandstone, Late Cretaceous, near Durango, Colorado
, 1993 Frank J. Tokar, James E. Evans
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Late Cretaceous and paroxysmal Cretaceous/Tertiary extinctions
Nature, 1987The various geological signatures at Cretaceous/ Tertiary time including iridium and other associated elements, microspherules, and shock deformation features are compatible with the suggestion that the transition is marked by a period of intense volcanism.
Charles B. Officer +3 more
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Late Cretaceous Reversal Sequence
Geology, 1975A sequence of 14 reversals (that is, seven periods of reversed polarity) is observed in Maestrichtian sedimentary rocks from the Mendez Shale of Mexico and in cores from Deep Sea Drilling Project Sites 207A and 208, Lord Howe Rise. Data from a paleomagnetic investigation indicate that (1) a brief interval of frequent field reversals occurred at the ...
B. Keating +2 more
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Migration of a Late Cretaceous fish
Nature, 2003Late Cretaceous sediments from the Western Interior of North America yield exceptionally well preserved fossils that serve as proxies for the rapidly changing climate preceding the Cretaceous/Tertiary boundary (about 67-65 Myr ago). Here we reconstruct the ontogenetic history of a Maastrichtian-age fish, Vorhisia vulpes, by using the carbon, oxygen and
Scott J, Carpenter +2 more
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