Day #104 Deskcrop: Garnet Schist, Black Hills

Got garnets? Oh, have we got garnets!

Look at all the lovely garnet porphyroblasts in this lovely piece of schist from the Black Hills of South Dakota. In fact this outcrop is just up the road from another one featured in this series back in March. This particular bed was just chucky-jam full of little 2-3mm diameter dodecahedrons of joy. Boy, would I like to see what this one looks like in thin section.

Having visited the garnet zone, the next scheduled stop is the staurolite zone. I have a feeling we’ll be revisiting the Black Hills on Tax Day…

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Garnet Schist, Black Hills

Explore this and all of my 2010 Deskcrops and Outcrops in Google Earth!

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