Hydrothermal apatite geochemistry reveals a shift from crust-derived W-mineralizing fluids to mantle-derived Au-mineralizing fluids, providing insight into fluid evolution and overprinting mineralization processes: geosociety.co/Chen-et-al Image: Fig 9 #EconomicGeology #Geochemistry #OreDeposits

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EQ History: Oct 21, 1868: A M6.8 quake on the Hayward Fault, called the “Great San Francisco Earthquake” until 1906, inspired the first known earthquake early warning idea: sensors wired to an alarm bell in a city tower. Today we call it #ShakeAlert! ⚡#EQHistory By Unknown author - buff.ly/bX2t8EJ

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Locals: you know the RR tracks running along the salt ponds at the southernmost section of SF Bay? I know you can get closeup views coming from the trails out of Alviso marina park. But are there trails with closeup views on the fremont side that are also open to the public?

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You know how you do a group project in school and there's that one guy who doesn't help, but it's actually a good thing because if they did help, it would just make things worse? Good preparation for some team projects at work.

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I'll be working down here for the next five days and mapping flood deposits will be part of it. Please reach out with ideas or if you or anyone you know is doing research on this flood! sadly its supposed to rain again this weekend.

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