Here are several posts from the geoscience blogosphere last week highlighting interesting writing:
Michael Welland of Through the Sandglass discusses all the sand-related activities one can enjoy while visiting the Exploratorium in San Francisco.
David Bressan of History of Geology digs into Lyell's and others work from the 1800s with a post about the concept of cycles in geology.
Garry Hayes from Geotripper posts an update on the whole removal-of-serpentinite-as-California's-state-rock affair. Also make sure to see Silver Fox's (from Looking for Detachment) constantly updated list of blog/media coverage of the issue.
Rachael from 4.5 Billion Years of Wonder has a post titled The Great Geological Fart ... need I say more to make you want to read it?
Chris Rowan from Highly Allochthonous discusses the scale of an eruption at Yellowstone 600,000 years ago and the vast area across which the volcanic ash was spread. Chris gets double-billing for his nice summary of the recent findings that the Haiti earthquake was not associated with the Enriquillo Fault.
Jim Lehane of The Geology P.A.G.E. is working on a comprehensive series of reviews and discussion of the scientific concepts (uses and abuses) in the disaster movie Armageddon. Check it out.
A Life Long Scholar from The Musings of a Life-Long Scholar writes a clear and succinct post about the differences between contact and regional metamorphism.
Zoltan Sylvester of Hindered Settling writes about the complex patterns and processes of sinuous channels by highlighting two recent papers about modeling efforts of both terrestrial and submarine channels. (By coincidence, my Sea-Floor Sunday post from yesterday also mentioned the comparison of rivers to submarine channels.)
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