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15 January 2016

Hunting blueschist (with bonus newt)

My first hike of the new year was to the Lexington Reservoir near Los Gatos. Fellow USGS postdoc Kayla Iacovino (@kalyai) came along to help search for blueschist-facies rocks in what’s locally known as Franciscan Complex melange. Now, I’m getting pretty good at spotting serpentinite – not that it isn’t fairly distinctive – but I’ve been hoping to see some blueschist as well. I found this USGS publication which shows a sample of blueschist from a spot “near” Lexington Reservoir in Santa Clara county, so that was where we headed.

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31 December 2015

2015 through a geologist’s eyes

It’s the last day of my eighth year of blogging. I’ve had a pretty amazing year, and though I haven’t gotten to writing about every bit of it, I’ve amassed some great photos of my travels. So here are a few things you’ve already seen, and a preview of a few things yet to come!

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22 November 2015

Vasquez Canyon: a new landslide in Santa Clarita, California

In the last few days an interesting landslide has developed in Vasquez Canyon in California, destroying a road

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18 October 2015

Videos and images of the mudflows in the Tehachapi Mountains, California

Extreme rainfall on Thursday triggered mudflows in the Tehachapi Mountains of California. A number of videos caught the events as they developed, and there are some excellent galleries of images of the aftermath.

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17 April 2015

Tearing through California Part 1: the Central San Andreas

On display in central and northern California is the rare and troublesome phenomenon that’s the mischievous cousin to sudden, wrenching earthquakes: slow, steady fault creep. Rather than remaining pressed firmly together until they lurch past each other in violent earthquakes, the two sides of a creeping fault glide gradually along, generally silently carrying along everything above them. The good news is that this process takes up strain that would otherwise be …

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