Anomalous Mg-isotope-ratio claim.

The central isotopic-ratio claim in modern UAP materials research: that some recovered fragments (esp. Brazilian Ubatuba magnesium, ~1957) show 'extraordinarily altered' magnesium isotope ratios deviating from terrestrial norms, with one alleged-Mg fragment proving near-pure silicon. Garry Nolan presents these as clues toward exotic or incomplete industrial processes (potential nuclear/medical/catalysis relevance) rather than proof of extraterrestrial manufacture. The competing data point: every isotopically TESTED specimen to date — Art's Parts (ORNL: Mg & Pb terrestrial), Council Bluffs (Nolan: terrestrial), Trinity/UT090 (Ni/Cu/Zn terrestrial) — has returned terrestrial signatures. Nolan also notes ~a dozen analyzed samples are non-uniform 'hodgepodge mixtures.'. **Replication status:** single-source-unreplicated — Nolan's ~30% Mg-isotope-deviation claim is interview-sourced, unpublished, single-instrument; contradicts the peer-reviewed Powell 2022 terrestrial result.