Wow, Charlie, if this was a real Balderdash game, you would've fooled me! I knew there was a science journal of similar name. As for brumliths, with lith- meaning rock, I had to see if there was such a thing. Fantastic creation!
Assume that a "Brumelith" is a newly-discovered irregularly-shaped structure formed by gradual accretion of calcium carbonate crystals over centuries; they are found on the ocean floor beneath retreating sea-ice and breaking glaciers; brumeliths degrade in sea water over time, giving oceanographers a ...