The Friday fold is a figure from a 1922 book about the geology of the Alps by Swiss structural geology genius and artistic master Albert Heim. Marvel at his gorgeous depiction of the internal and long-since-eroded structure of these mighty mountains.
I can hardly believe it but tonight I wrap up my tenure as the 2017 President of the Geological Society of Washington. In our Society, it’s a tradition for the President to give the final talk of the year, a Presidential Address that takes up the entirety of the final regular meeting. I’ll be talking … Read more
Central Apennine stratigraphy and structure is on display in the wall of a quarry in Contessa Gorge, Italy. Have a look a nice normal fault and a submarine mass transport deposit.
How about I take this opportunity to catch on Reporting My Books? These are some not-necessarily geology-relevant, but also maybe pretty interesting books that I’ve read lately. All are fiction. 11/22/63, by Stephen King I started reading this time-travel novel by Stephen King last month when a significant trove (though not everything) of files from … Read more
A guest post from an American expat living in east Bali, displaced with his family from their home due to Mount Agung’s recent eruption, and trying to help out as best he can.
I believe in tinkering with my teaching, and reflecting on the new approaches to see if I think they’re worth keeping or not. One of the topics I teach is the geologic history of Virginia. I do this because it’s essential knowledge to put the students’ upcoming field trip in context, but it’s also a … Read more
A trip to one of the most famous outcrops in the world, a place with a stratum that marked a profound shift in the state of the planet, and a profound shift in geologic thinking. Plus, for the author, it’s a romantic journey back in time.
Which of you can you tell me what this green book is all about (three volumes)? I’ll follow up in 1 hour with a post about the place where I took this photo.
Here’s a guest Friday fold from reader Carl Brink: Carl tells me that this is: Precambrian Amphibolite schist float boulder from the Idaho Springs Formation in Rist Canyon west of Fort Collins, Colorado. Knife is 2.25 inches long. Thanks for sharing, Carl!
The guest Friday fold comes to us from the Miocene of California, deposited in a releasing bend basin along the San Andreas Fault.