#geochem

[duck-duck-newton]

[Id: a rack of very small funnels dripping into blue pans]

I got to run chemistry on my dissolved rocks this week!

[casethejointfirst]

Recently, I've been working on analyzing surficial weathering of chert using Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry (LA-ICP-MS). In order to isolate the weathered surfaces for top-down analysis, chert fragments were mounted in epoxy, cut, ground, and polished. Because the ablation cell is small and geologic samples and lithic artifacts are often prohibitively large, I designed custom sample cups and had them 3D printed. These cups were the right size for the ablation chamber and helped to align the chert samples perfectly. A few failed (leaked), but they still served their purpose in mounting the chert samples. Tomorrow I will analyze the samples! More updates soon!

[shariqalyph]

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