Julian Thorne
Julian focuses on the chemical evolution of binders and the microscopic analysis of aggregate sourcing. He explores how atmospheric pollutants accelerate the degradation of mortar across various urban eras to establish precise material timelines.
Ferrous Oxidation & Corrosion Metrics
Julian Thorne
From Bloomery to Bessemer: Distinguishing Construction Epochs via Iron Oxide Patinas
Chronometric Paleontology of Urban Infill uses metallurgical analysis and iron oxide patinas to date historical construction phases and distinguish between pre-1860 iron and Bessemer steel.
Material Chronometry & Dating
Julian Thorne
X-Ray Fluorescence and the Evolution of Lime Mortars in Paris Haussmann Facades
This article explores the application of chronometric paleontology and X-ray fluorescence to date and analyze the limestone and mortar compositions of Paris's Haussmann-era facades.
Atmospheric Pollutant Degradation
Julian Thorne
Acid Rain and the Erosion of London's Portland Stone: A Chronometric Study
This article examines the chronometric study of Portland stone in London, focusing on the chemical conversion of calcium carbonate to gypsum as a proxy for historical pollution levels.
