Hidden beneath the surface

Professors of Earth Sciences Francine McCarthy and Martin Head spoke to the Washington Post about their ongoing research at Crawford Lake, which is the potential home of ‘the golden spike,’ an internationally agreed upon reference point in rock or sediment layers that defines the lower boundary of a new stage in the geologic time scale.

https://www.washingtonpost.com/climate-environment/interactive/2023/anthropocene-geologic-time-crawford-lake/