Portable X-ray Fluorescence Analysis (Other Keyword)
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Mr. Warren Crump provided PaleoResearch Institute access to a painting supposedly depicting Pope Julius II (AD 1443–1513) to determine when the artwork was produced. In addition, PaleoResearch performed an XRF scan of the artwork to identify elements of the pigments used in painting. During the course of radiocarbon age determination, PaleoResearch removed paint and other chemicals present on the linen prior to dating.
POLLEN, PARASITE, PHYTOLITH, AND ELEMENTAL COMPOSITION (XRF) ANALYSIS OF SAMPLES FROM LA ALBERCA ROCKSHELTER, MEXICO (2018)
La Alberca Rockshelter is a highland cliff painting site located in the Tancítaro volcanic range foothills, Michoacan, Mexico. The site exhibits Mesoamerican motifs on the primary rock panel, while Archaic motifs are distributed throughout the cliff walls. Excavations at the rockshelter recovered obsidian flakes, an obsidian arrowhead, a smoothing or polishing rock, faunal remains, and a human skeleton. The burial included grave goods, and upon further excavation, it appears to have been...