2548 feet, and a high-angle baked contact

Today we processed rock core to 2548 ft, 80 ft deeper than what we processed yesterday.  The drill crew had to trip out and dislodge a loose piece of rock that fell into the hole, so we didn't get a delivery of core this evening.  Here's another of the pictures we've been taking of the core:

This is an end view of a cylinder of rock core.  The brown region is a layer of baked soil, while the darker part is lava rock.  We rarely get to see views like this because fractures usually don't cut straight through adjacent materials with such different properties.  The image shows that the lava flowed over the soil  at a significantly high angle, probably on a slope - otherwise the soil would have been laid down horizontally and a fracture of this orientation would show no lava rock at all from this view.