Topics include gem mining operations, the 1880's silver boom, meteorites, types of Maine gems, and maps of all known mineral localities in Maine. Describes biogeochemical techniques and their utility for identifying molybdenum-bearing deposits. Includes technical paper on stream-sediment geochemistry of Attean quartz monzonite. Includes technical paper on geochemistry of Catheart Mtn. Analysis of 1100 samples for cold-extractable heavy metals and copper.
Maps show locations of sample sites and concentrations of metals.
Magnetometer traverses of study area. Brief description of 12 coastal plutons. Study done for Maine Office of Energy Resources. Includes a short section on the economic value of marble belts and ores in NW Knox County. Includes papers on mineralization of southern end of Munsungun anticlinorium, diatomite in Maine, and the Owen Brook limestone prospect in Penobscot County.