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AAPG Bulletin
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AAPG Bulletin; Year: 2019; Issue: April DOI: 10.1306/09181818025
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Figure 7. X-ray diffraction quartz, feldspar, and lithics (QFL) ternary plots; lithics are here defined as the sum total of clay minerals (chlorite, illite, kaolinite, and smectite) in the silt and sand fraction. (A) The QFL distribution throughout all estuarine zones; (B) River Irt, inner Irt, central basin, and outer-estuarine composition; (C) River Mite, inner Mite, central basin, and outer-estuarine composition; (D) River Esk, inner Esk, central basin, and outer-estuarine composition. Note that River Esk sediment is relatively feldspathic and enriched in lithics (most likely chlorite). Estuarine zones are labeled accordingly: lower Irt (A); lower Mite (B); lower Esk (C); inner Irt (D); inner Mite (E); inner Esk (F); central basin (G); and outer estuary (H).
Figure 7. X-ray diffraction quartz, feldspar, and lithics (QFL) ternary plots; lithics are here defined as the sum total of clay minerals (chlorite, illite, kaolinite, and smectite) in the silt and sand fraction. (A) The QFL distribution throughout all estuarine zones; (B) River Irt, inner Irt, central basin, and outer-estuarine composition; (C) River Mite, inner Mite, central basin, and outer-estuarine composition; (D) River Esk, inner Esk, central basin, and outer-estuarine composition. Note that River Esk sediment is relatively feldspathic and enriched in lithics (most likely chlorite). Estuarine zones are labeled accordingly: lower Irt (A); lower Mite (B); lower Esk (C); inner Irt (D); inner Mite (E); inner Esk (F); central basin (G); and outer estuary (H).