Carbon dioxide flux measurements at and adjacent to the Sulphur Bank Mercury Mine, Clear Lake Volcanic Field, California
The 2.1 Ma Clear Lake Volcanic Field (Donnelly-Nolan and others, 1981) and the 174 km2 Clear Lake are located ~150 km north of San Francisco, California.  Sulphur Bank Mercury Mine (SBMM) is an abandoned mine located on the eastern shore of Clear Lake that was initially worked in 1865 for sulfur, then for mercury …