The thermal heat from wildfire can cause significant weathering of rocks and boulders, heat can rapidly expand a boulder and thermal shock can occur, which may result in an object's structure to fail.
This probably caused less weathering of rocks containing these minerals, resulting in their low concentrations.
Biocidal products can be sources of active substances in surface waters caused by weathering of treated articles.
As in the case of the Finnish buildings studied by Priha et al. (2005), the soil contamination could have been caused by weathering of the caulking, but the generation of PCB-containing particles during scraping and grinding to remove the old caulking material could not be ruled out as a source.
Cu, Ni and Pb were found to be released, predominantly caused by (the) weathering of sulphide minerals.
It was probably caused by rapid weathering of Earth's continents, which sucked carbon dioxide – a planet-warming greenhouse gas – out of the atmosphere and caused temperatures to plummet.
This was caused by the weathering of the cement and rubble filler between the outer and inner walls.
Not only can the vein gold ores be relatively lead rich, but much of the lead occurs in minerals with enhanced gastric bioaccessibility caused by natural weathering of the ores over millennia before mining.
El Niño is one such pattern — a gigantic blob of warm water that sloshes around in the Pacific Ocean, causing weather changes across wide swaths of the globe.
The particle flux is high enough to cause darkening or space weathering of their surfaces on an astronomically rapid timescale of 100,000 years.
