Today was good:
- I ate healthy & I got myself to drink 2 litres of water.
- We are close to finishing out palaeontology project
- I finally ran 5 km again and worked out for an hour
- The weather was fine and I start to get a tan
The perks of studying palaeontology #1:
Today I counted pleurae on 20 trilobites. Some of which were about 1 cm small.
Big 5 Mass Extinctions (2/5)
Upper Devonian, Kellwasser Event (~360 Ma)
- ~ 40% of species died
- first forests were formed
- new types of reefs are made of stromatopores
- causes: global anoxic conditions, regression, plate tectonics
- Variscan Orogen was formed, Rheiic Ocean closed
