Major Element Box-plots: Stream sediment chemistry by New England geologic provinces:

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         Al₂O₃                        CaO                             Fe₂O₃                           K₂O

        MgO                          Na₂O                           SiO₂                            TiO₂

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Direct questions and comments to:

Gilpin R. Robinson

U.S. Geological Survey

Email grobinso@usgs.gov 

Phone (703)-648-6113