New Areas of Interest in the Money Pit!!!

Rick and Marty have designated the new areas of interest in the money pit - the "Golden Sack" and "Purple Shaft" after Spoon Dog found unusually high levels of Copper-Magnesium alloy (CuMn) in water samples taken from bore holes. Could it be? Are we close to uncovering the mystery? Does the secret lie somewhere between the base and tip of the shaft?