Click to enlargeIridium Anomaly, Earth Crust & Subducted Mud

6" high x 6.5" wide

Beginning from top down are: Costa Rican Accretionary Prism, band of K-T Band sediment from 65 million years ago asteroid event, and around the belly -- Earth crust slurry from the Mid-Atlantic Ridge.

Base area is glazed with clay mined from a now-closed quarry in Albany New York.