Chemical classification of spherules recovered from the Pacific Ocean site of the CNEOS 2014-01-08 (IM1) bolide
Abraham Loeb, Amir Siraj, et al.
Chemical Geology, Vol. 668
Summary
The peer-reviewed journal publication of the Galileo Project's IM1 spherule analysis, published in Chemical Geology (Elsevier) — the definitive upgrade from the 2023 arXiv preprint (`loeb-2023-im1-spherules`). Classifies 57 spherules recovered from the Pacific Ocean retrieval expedition into compositional groups, identifying a novel BeLaU (Beryllium-Lanthanum-Uranium) category with elemental ratios that do not match any known terrestrial alloy, meteoritic composition, or industrial process. Published in a prestigious Elsevier geochemistry journal, making it the first peer-reviewed account of the anomalous IM1 materials findings. Both catalog entries (preprint and this paper) are intentional: the preprint represents the discovery announcement and the journal paper the formal scientific validation.
Abstract
We report the chemical classification of 57 spherules recovered from the Pacific Ocean at the CNEOS 2014-01-08 (IM1) bolide site during the 2023 Galileo Project ocean expedition. Spherule compositions were determined via inductively coupled plasma mass spectrometry (ICP-MS) and energy-dispersive X-ray spectroscopy (EDS). We identify five compositional groups among the recovered spherules, including a distinctive BeLaU group characterized by anomalously high abundances of beryllium, lanthanum, and uranium relative to other elements. The BeLaU elemental ratios are inconsistent with known terrestrial industrial alloys, achondritic meteorites, and cosmic spherules from previously cataloged samples. We discuss potential origins for the BeLaU spherules including unusual solar system processes, interstellar material, and technologically processed matter, and recommend additional isotopic analysis to further constrain their provenance.
Citation
Abraham Loeb, Amir Siraj, et al.. (2024). Chemical Geology. Vol. 668. DOI: 10.1016/j.chemgeo.2024.122415
https://doi.org/10.1016/j.chemgeo.2024.122415Related Papers
Estimates of radiative energy values in ground-level observations of an unidentified aerial phenomenon: New physical data
Jacques F. Vallee et al. · 2025
Transients in the Palomar Observatory Sky Survey (POSS-I) may be associated with nuclear testing and reports of unidentified anomalous phenomena
Stephen Bruehl et al. · 2025
Anomalous Materials Analysis: Isotopic Anomalies in Alleged UAP-Associated Samples
Garry P. Nolan et al. · 2023
SOL Foundation Annual Symposium Proceedings 2023
SOL Foundation · 2023