![]() Ternary diagrams showing a comparison among mean detrital modes for sand deposits from the Leg 168 study area (from Saettler, 1998), Site 174 of the DSDP (from Marsaglia and Ingersoll, 1992), and Site 177 of the DSDP (from Gergen and Ingersoll, 1986). Boundaries for tectonic provenance fields are from Dickinson and Suczek (1979), Dickinson et al. Q = total quartz F = total feldspar L = unstable lithic fragments Qm = monocrystalline quartz P = plagioclase K = potassium feldspar Qp = polycrystalline quartz Lv = volcanic-rock fragments Lsm = sedimentary-rock and metasedimentary-rock fragments L m = metamorphic-rock fragments. ![]()
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