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19 November 2012
Monday macrobug: Brown marmorated stinkbug
These guys were all over the exterior of our house in October, trying to get into the interior. Here’s the view from the outside, looking down on the back of stinkbug: Nasty species – invasive, destructive to plants, persistent in its desire to be indoors, and most pointedly, downright smelly.
18 November 2012
Another batch of GigaPans from the M.A.G.I.C. project
My students Alan Pitts, Chris Johnson, Robin Rohrback and I have been busy adding to the Mid-Atlantic Geo-Image Collection. Check out a few of these new GigaPan images: link link link link link link link
16 November 2012
Friday fold: Neoacadian Inner Piedmont trip, part IV: Migmatitic metagraywacke
The Friday fold comes from a stop on the “Neoacadian Inner Piedmont” field trip that Callan attended prior to the GSA meeting in Charlotte, North Carolina, last week.
15 November 2012
Neoacadian Inner Piedmont trip, part III: Mesozoic cataclasite
Quartzite, shattered and healed and shattered again and again and again. It’s cataclasite, seen in the North Carolina Piedmont and inferred to be Mesozoic in age due to its brittle style of deformation.
14 November 2012
Milestones
Callan reflects on major moments this week in his personal and professional lives.
13 November 2012
Neoacadian Inner Piedmont trip, part II: more Walker Top
Today, I’ve got a batch of additional photos of the Walker Top Granite to share, variably mylonitized (sheared out under ductile conditions)… Nice garnets in some spots: Delta porphyroclast: Lovely sheared-out rocks…
12 November 2012
Monday macrobug: big green worm
Found this caterpillar in the dirt the other day outside my house… Here it is (in the palm of my leather work gloves – the width of a finger may be seen blurrily in the background): I spent some time looking for matches on Bug Guide and in Garden Insects of North America by Whitney Cranshaw. The book wasn’t as helpful as the website this time. Looks a lot like …
11 November 2012
Fence lizard
It wasn’t all rocks and games on the Neoacadian Inner Piedmont trip. I also saw a lizard:
10 November 2012
New GigaPans from the M.A.G.I.C. project
My students Chris Johnson and Robin Rohrback have been busy adding to the Mid-Atlantic Geo-Image Collection. Check out a few of these new GigaPan images: link link link link link
9 November 2012
Friday fold: Boomer Falls
The Friday fold is seen at one of the stops on Callan’s pre-GSA-Charlotte field trip: a small waterfall in North Carolina’s Inner Piedmont.