|BGS image ID: P776111|
This slide is of piece of fossil wood from Tasmania collected by Hooker in 1840. The Expedition leader, James Clark Ross recorded that the fossil trees were found encased in ancient lava flows and were preserved as 'most beautiful agate'. Age: Tertiary Period, 40 million years old.
From Collection A: Joseph Dalton Hooker collection. Hooker's collection comprises material collected during his 1839-1843 circum-Antarctic voyage in HMS Erebus and HMS Terror.