Microscale trace-element distribution across the Cretaceous/Palaeogene ejecta layer at the Agost section: Constraining the recovery of pre-impact conditions
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DOI: 10.1016/j.chemgeo.2019.119431
Abstract: Abstract A high-resolution, sub-mm scale analysis of the distribution of major and trace elements across the ejecta layer marking the Cretaceous/Palaeogene boundary (KPgB) at the Agost section (SE Spain) was performed using Laser Ablation-Inductivity Coupled… read more here.
Keywords: trace; layer; impact; ejecta layer ... See more keywords
Discovery of a meteoritic ejecta layer containing unmelted impactor fragments at the base of Paleocene lavas, Isle of Skye, Scotland
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DOI: 10.1130/g39452.1
Abstract: Evidence for meteorite impacts in the geological record may include the presence of shocked minerals, spherule layers, and geochemical anomalies. However, it is highly unusual to find unmelted crystals from the actual impactor within an… read more here.
Keywords: layer; impactor; ejecta layer; meteoritic ejecta ... See more keywords