Click to enlargeCosta Rican Accretionary Prism on Porcelain

4.75" x 3.5"

Kiln atmosphere made red/green fluctuations from dip into copper glaze. Looks like 'ox-blood' in some places and thumb-well is colored with both. Says, "Costa Rican subduction folding, fracturing, friction". Interior of celadon and exterior dip of copper are glazes assembled from refined materials.