Palynology dating techniques

21-May-2019 15:20

Perhaps the greatest contribution made by a single person was that made by another Swede, Gunnar Erdtman, who from the 1950's to the 1970's produced several classic books and papers which remain required reading today.The earliest terrestrial plants are recorded from the late Silurian, and these were homosporous (all spores produced are of the same kind).

The initial meaning has now been expanded to include all acid-resistant organic microfossils.

Spores, in the broadest sense, are produced in the life cycles of so called "lower plants" or cryptograms, comprising algae, fungi, bacteria and the extensive array of seedless metaphytes.