Biogeochemistry1
End-Triassic extinction1
Geology1
Great Lakes and southern Ontario1
Mercury1
Mercury isotopes1
Palaeoecology1
Triassic-Jurassic boundary1
Volcanology1
atmospheric Hg2+ deposition1
deposition pathways1
marine sediments1
mercury isotope1
particulate contaminant sources1
terrestrial runoff1
trace metals1
two different pathways1