You are browsing the archive for 2020 January.
31 January 2020
Reader John Christian shared these folds with me via email last week. They are quartz veins in slightly metamorphosed Precambrian igneous rocks found near Sunflower, AZ in the Mazatzal Mountains. The second photo is a close-up shot of the curviest, cleanest batch of folds from the first shot. These are beautiful examples of folds in similarly oriented quartz veins; we call them “en echelon” for the way you have a …
29 January 2020
Last night, I finished a wonderful little book of science fiction, The Long Way to a Small Angry Planet, by Becky Chambers. It’s the first book in a series of novels, called “Wayfarers” after the name of the ship whose crew are the subjects of the story. Like Joss Whedon’s TV series “Firefly,” the crew of the Wayfarer is motley. Unlike “Firefly,” though, and more like Star Wars, they are …
24 January 2020
A roadside boulder in the Bronx shows folded gneissic banding. It’s another guest-submitted Friday fold!
20 January 2020
A quartet of brief book reviews from some of Callan’s recent reading.
1 January 2020
New year’s day! For this blog and me, the first day of the year is time for the annual recap of birds seen on my land in Fort Valley, Virginia. Here are the previous iterations: 2012 (39 species) 2013 (51 species) 2014 (58 species) 2015 (65 species) 2016 (59 species) 2017 (56 species) 2018 (60 species) This year’s list (biggest year yet!), in chronological order of first sighting: Pileated woodpecker …