Shona channelFrom Peterborough (Cambridgeshire)
Typology Typology is a method that compares reference objects in order to classify them according to their similarity or dissimilarity and link them to a specific context or period. The website introduces students to four different aspects of fossil interpretation. Block, L.
Both plants and animals exchange carbon with their environment until they die. Several sets of rings from different trees are matched to build an average sequence. Nowadays, age-dating of rocks has established pretty precise numbers for the absolute ages of the boundaries between fossil assemblages, but there's still uncertainty in those numbers, even for Earth.