You are browsing the archive for January 2013 - Page 2 of 3 - Mountain Beltway.
18 January 2013
Callan describes what he does in #upgoerfive language
Okay, I’ll bite. I work at making people understand more about the big rock that we live on. I use pictures and drawing on the pictures to show how the rocks have changed because of pushing on the rocks. This pushing happens because of blocks of rock that move together and sometimes push into other blocks. Other times, a rock block will move away from another rock block. Then the …
Friday fold: “Chasing Ice”
Callan watches the new documentary “Chasing Ice” about James Balog’s Extreme Ice Survey project, and spots a lovely Z-fold during the largest glacial calving event ever recorded.
17 January 2013
Cross-bedding in Owens River sediments
Today, we take a look at an outcrop of young, basically unlithified sediments east of Bishop, California, on the way out Poleta Road, toward the White Mountain Research Station’s Owens Valley Lab, where you can get a nice view of the Coyote Warp Relay Ramp. These photos were taken just west of the bridge over the Owens River. The rapidly-eroding outcrop there is on a small bluff a few meters …
16 January 2013
More M.A.G.I.C.
A new suite of GigaPans, all in this case by the prolific Robin Rohrback. link link link link link link Team MAGIC is presenting a talk and demonstration of our work next week at the U.S. Geological Survey, in Reston, Virginia. It’s going to be a great semester for making lots more cool images like these.
15 January 2013
Ripples in the sand
All seen last March in Death Valley, at Mesquite Dunes…. within ten minutes of one another.
14 January 2013
Monday macrobug: Orange wasp
Saw this one on the Neoacadian Inner Piedmont field trip before GSA in the fall… I guess it’s something of a break from tradition to show you a bug from any place other than my yard, but this one’s pretty enough to justify the excursion… Yes, that’s the Walker Top Granite that it’s resting on.
11 January 2013
Friday fold: Hoerikwaggo Trail 5
We wrap up our week-long odyssey along South Africa’s Hoerikwaggo Trail with a look at something we look at every Friday: folds! In this case, we’ll be examining folds in the bedding layers of the Table Mountain Sandstone.
10 January 2013
Hoerikwaggo Trail 4: fynbos vegetation
Callan continues his week-long recounting of his five-day backpacking trip from the Cape of Good Hope to Cape Town, South Africa, along the Hoerikwaggo Trail. Today, we examine the ‘fynbos’ plants seen along the trail.
9 January 2013
Hoerikwaggo Trail 3: Joints, veins, and Liesegang banding
Callan continues his week-long recounting of his five-day backpacking trip from the Cape of Good Hope to Cape Town, South Africa, along the Hoerikwaggo Trail. Today, we examine the jointing, oxidizing and reducing fluid flow, and the emplacement of ore veins.
8 January 2013
Hoerikwaggo Trail 2: the Table Mountain Sandstone
Callan continues his week-long recounting of his five-day backpacking trip from the Cape of Good Hope to Cape Town, South Africa, along the Hoerikwaggo Trail. Today, we examine the Table Mountain Sandstone.
Callan Bentley is Associate Professor of Geology at Piedmont Virginia Community College in Charlottesville, Virginia. He is a Fellow of the Geological Society of America. For his work on this blog, the National Association of Geoscience Teachers recognized him with the James Shea Award. He has also won the Outstanding Faculty Award from the State Council on Higher Education in Virginia, and the Biggs Award for Excellence in Geoscience Teaching from the Geoscience Education Division of the Geological Society of America. In previous years, Callan served as a contributing editor at EARTH magazine, President of the Geological Society of Washington and President the Geo2YC division of NAGT.