14.75" wide x 3.75" high
Two fish in the center are surrounded by melted slurry from drillings into the mid-Atlantic Ridge at the Kane Fracture Zone. Click for bigger image to read names of places that each sediment sample is from.
Back area of brown is from a place where a seismometer was lost and three ships in the area searched the seafloor for it -- one was a physicist who knew of my work and when the tool came up he kept the scrapings. It's from Hydrate Ridge, off the coast of Oregon.
Other glazes used are matte lavender and copper green.