On first appearance this prominent dome, located in section 26 of the BCC topo, looks like a volcanic plug, but on closer inspection it appears to be an erosional remanant of a Hickey formation basalt flow.
Protozoic rock fragments are present up to ~=2653ft in the dome area.

• Dome view from south end of mesa.
  The bluish highly weathered basalt, below the burnt soil zone, caps the south end of the mesa. The younger (Hickey?) black basalt cab be seen flooring the dome. The very tip of the dome is also a basalt cap.

• Dome substrait view from south.
  This bluish highly weathered basalt is very disected on both sides of the mesa.

• Basalt imbricated.
  The bluish highly weathered basalt shows an unusual imbricated pattern.

• Burnt soil below dome.

• Tip basalt oxidized.

• Top Ring very top of dome, basalt.

• Joints in dome base, basalt.

• Basalt dome base. I-17 is in the background.