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On sols 4343-4344, Curiosity will focus on examining blocks of finely layered or “laminated” bedrocks in its workspace. The “Backbone Creek” target, which has an erosion resistant vertical fin of dark material, will be zapped by the ChemCam laser to determine composition, and photographed by Mastcam. “Backbone Creek” is named for a stream in the […]
On Earth, red rocks — sometimes called “red beds” — generally get their color from oxidized iron (Fe3+), which is the same form of iron that makes our blood red, or the rusty red color of metal left outside. Green spots like those observed in the Wallace Butte abrasion are common in ancient “red beds” […]
Two words: Mattermark Daily When I started blogging in 2004 I think I was the third VC blogger after David Hornik* and Fred Wilson (if you were, or know, of another pre-2004 VC blogger, please tell me so I can update my historical recollection.) I remember lots of people asking me why I was doing it. I heard […]