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6 March 2010
Glacial striations, southern Central Park
New York City has some cool geology: Paleozoic metamorphics scraped by Pleistocene glaciers.
The Ghosts of Evolution, by Connie Barlow
Over Snowmageddon, I read Connie Barlow’s book The Ghosts of Evolution: Nonsensical Fruit, Missing Partners, and Other Ecological Anachronisms. [Google Books; Amazon] Barlow isn’t a scientist, but she’s got a scientist in her pocket: Paul Martin of the University of Arizona. In 1982, Martin and Dan Janzen of the University of Pennsylvania published a paper in Science in which they postulated that a lot of the features of some modern …
28 February 2010
Crucifix Site 1: Sediments
On the September 2009 GSA field forum in the Owens Valley, the final stop of our first day was to check out the so-called “Crucifix Site,” along Chalk Bluff Road (north of Bishop, California, at the southern margin of the Volcanic Tableland). It’s called the “Crucifix Site” because there is a metal cross erected there: This is the site of some pre-Bishop-Tuff volcaniclastic sediments. The place is interesting on several …
13 February 2010
Faulted moraine
Continuing with the recounting of geological sights in the Owens Valley, California, area… This one is in the Pine Creek area. Take a look at this photo: No, that’s not just a portrait of Jeff Lee and his awesome handlebar mustache. Look behind Jeff, on the hillside above. See the little step down that the hill takes? Let’s zoom in: Still can’t see it? Here, allow me to annotate it …