Insta petroleum system: Wick’ed oil in Scotland
Usually, petroleum geologists think of source rock and reservoir as different things: The source is the tight, shitty shale that has to be be boiled to expulse oil. The reservoir […]
Category Archives: Sand, shale and gravel
Desert city in the woods
Our journey to the far east of Europe soon comes to an end. But first, a look at something completely different, in age and type of rock. Let’s leave the […]
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 […]
Pretty crossbeds from Hovedøya
OK, folks, here is another post of Early Paleozoic sediments from Hovedøya, near Oslo. Because that’s the closest to my home I find pretty sedimentary rocks. This time, the I […]
Malta: A country shaped by limestone (and a bit of very old poo)
If one word could sum up the Mediterranean island nation of Malta, it would be “limestone”. Limestone has shaped the islands’ topography, their economy and possibly black bank accounts. It […]
Pretty sedimentology from Hovedøya in the Oslo fjord
For no particular reason, I took a trip to Hovedøya, one of the islands in the fjord just south of Oslo. These islands consist of the ”Cambrosilurian”, Cambrian to Silurian […]
Fossil treasures of Denmark, 55 million years ago
When God had finished creating the Earth, He had some sand and gravel in excess. To get rid of it, the story goes, He dumped it in the southern North […]