Strontium Isotopic Composition of Paleozoic Carbonate Rocks in the Nevada Test Site Vicinity, Clark, Lincoln, and Nye Counties, Nevada, and Inyo County, California

Data Series 280

U.S. GEOLOGICAL SURVEY
Data Series 280

Figure - refer to figure caption for alternative text description

Figure 7. Relation between (A) rubidium (Rb) and silicon dioxide (SiO₂) concentrations in acid leachates of borehole samples and between (B) rubidium/strontium (Rb/Sr) concentration ratios 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 10 percent of the reported concentration value for rubidium values and 14 percent for rubidium/strontium values. Mole percentages of calciteare shown with fixed 2-sigma analytical uncertainties of 4 mole percent CaCO₃.

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