Dr. Or M. Bialik#WeekendReading: Zhong et al. on Cadmium isotope systematics in seep carbonates. Looks like it tracks seawater in calcite and aragonite, but the pore fluids in dolomite. Not surprising, but potentially useful!
Link: https://www.sciencedirect.com/science/article/pii/S0009254126001658
