TOGETHER LETS ASK THE SOMERSET REGIONAL COUNCIL, TO RESPECT OUR ELDERS

Stratigraphy and age.  Esk Formation; dated as Anisian–Ladinian (Middle Triassic: 246–229 milliion years) on the basis of palynostratigraphy (de Jersey 1975) and a radiometric date of 236–242 ± 5 million years from lavas in the overlying and partly interdigitating Neara Volcanics (Webb 1982a).

An extract from...
CSIRO PUBLISHING
'Australian Journal of Botany'
"Southern hemisphere botanical ecosystems"