Evidence for early hafted hunting technology

J Wilkins, BJ Schoville, KS Brown, M Chazan - Science, 2012 - science.org
Hafting stone points to spears was an important advance in weaponry for early humans.
Multiple lines of evidence indicate that~ 500,000-year-old stone points from the …

Evidence for a dynamo in the main group pallasite parent body

JA Tarduno, RD Cottrell, F Nimmo, J Hopkins… - Science, 2012 - science.org
Understanding the origin of pallasites, stony-iron meteorites made mainly of olivine crystals
and FeNi metal, has been a vexing problem since their discovery. Here, we show that …

Petrogenesis of main group pallasite meteorites based on relationships among texture, mineralogy, and geochemistry

SJ McKibbin, L Pittarello, C Makarona… - … & Planetary Science, 2019 - Wiley Online Library
Main group pallasite meteorites are samples of a single early magmatic planetesimal,
dominated by metal and olivine but containing accessory chromite, sulfide, phosphide …

Deformation Microstructure, Metallic Iron, and Inclusions of Hollow Negative Crystals in Olivine from the Seymchan Pallasite: Evidence of Fe2+ Solid-State Reduction

NR Khisina, DD Badyukov, KA Lorenz… - Geochemistry …, 2024 - Springer
Olivine grains from the Seymchan pallasite were studied using optical microscopy, Raman
spectroscopy, and scanning electron microscopy (SEM). Olivine is characterized by the …