Proxies such as iron-speciation chemistry record the redox state of local water masses immediately above accumulating sediments. Decades of work on the behaviour of iron in marine sediments ...

Anya Plutynski, Speciation Post Synthesis: 1960-2000, Journal of the History of Biology, Vol. 52, No. 4, Special Issue on Revisiting the Modern Synthesis (Winter 2019), pp. 569-596 ...