Why you could have been a dinosaur. Or just very ugly.
Imagine that you are a dinosaur. No, seriously, imagine that you are a dinosaur. Start with Velociraptor, the sickle claw killer of Jurassic Park. Replace the sickle and claws with […]
Category Archives: Permian
How to see 170 million years in two kilometres
I am a petroleum geologist for my day time job. Petroleum geologists study sedimentary rocks, because they are the ones that contain oil (sand and limestones) or are the source […]
Fjordblock island: The Upper Permian of Svalbard
I promised you the Permian on Svalbard, after the Carboniferous. Well, the lower Permian on Svalbard was basically the same as the Upper Carboniferous, and 300 million years ago is […]
On salt and old timber buildings
In the last post, we took a walk in a cave that water has carved out in the easily solvable mineral anhydrite, a calcium sulphate. Anhydrite is among the minerals […]
Boooo! Halloween in the Kungurian – literally
A few days ago, I took you to Perm to look at the Permian, and a crash-course in the mysterious ways of carbonate rock porosity. Today, we home into the […]
Perm and the Permian: Carbonate porosity for muggles
Some places have a special place in the hearts of geologists. Iceland with its volcanoes. The Dorset coast because it is the cradle of modern geology. The Oslo Graben because […]
A nice fault on the way to work
All my faults are normal, but I can reverse them…is an old joke among us structural geology nerds. But there is no reason to reverse this prettier-than-normal fault, which actually […]