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U.S. GEOLOGICAL SURVEY
Data Series 280

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Figure 5. Relation between (A) silicon dioxide (SiO₂) and aluminum oxide (Al₂O₃) concentrations and between (B) silicon dioxide and mole percent calcite (CaCO₃) in acid leachates of borehole samples, Nevada Test Site, Nye County, Nevada. Error bars represent 2-sigma analytical uncertainty and are shown as 30 percent of the reported concentration value for Al₂O₃ values less than 0.1 wt. % and SiO₂ values less than 0.4 wt. %, and 15 percent for higher concentration values.

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