Saturday, February 18, 2017

Geology field trip to Tasman Penisula - Dolphins!








 
Tasmanian Devils

Tawny Frog Mouth Birds

Watch out I bite.
Forest Kangaroos



Wallaby









These dolertite intrusions were formed in the Jurassic, ~185 million years ago, at two kilometres  depth, from a massive volcanic event that covered up to a third of Tasmania, intruding into older sedimentary rocks.  They match up with rocks in Antarctica and Africa that are part of Gondwana Land.


 Bottle nose dolphin



Fur Seals (really sea lions...)




















volcanic sill cutting older quartzite




























cool geology

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