Fig. 4From: K-feldspar enrichment in the Pacific pelagic sediments before MioceneSEM images of KR13-02 PC05, 5.04Â m. a Image (left) and element map (right) of grains. Green shows K, and red shows Na. b An isolated grain of K-feldspar together with the EDS spectra. c A grain covered by rhombohedral crystals. d Plagioclase. e QuartzBack to article page