Archive for 2023-03-22

A new study published by Chad Ostrander in Geochimica et Cosmochimica Acta examining thallium cycling in Siders Pond, a salt-stratified, low-oxygen, sulfide-rich body of water right here in Falmouth! The thallium isotope composition of marine sediments is a valuable tool for studying historical oxygen dynamics on Earth. This proxy relies on the sensitivity of thallium…