87 samples was analyzed by the following methods and digestions: INAA, ICP after HF-HNO3-HClO4 acid digestion with HCl leach, AA after HNO3-HCl hot extraction, AA after Multi-Acid MIBK and DC Plasma Emission after NaOH fusion.
Summary
87 samples was analyzed by the following methods and digestions: INAA, ICP after HF-HNO3-HClO4 acid digestion with HCl leach, AA after HNO3-HCl hot extraction, AA after Multi-Acid MIBK and DC Plasma Emission after NaOH fusion.
The coordinates are represented in North American Datum of 1927 (NAD27). Location was derived from the following method(s): Measured or digitized from field map location