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Journal of Palaeogeography
Fig. 6 | Journal of Palaeogeography

Fig. 6

From: Detrital zircon U–Pb geochronology and geochemistry of the Riachuelos and Palma Sola beach sediments, Veracruz State, Gulf of Mexico: a new insight on palaeoenvironment

Fig. 6

Scanning Electron Microscopy (SEM) images showing surface microtextures of detrital zircons from the Riachuelos beach sediments. a Dual striated zircon (dsz) well abraded at both ends; b Euhedral zircon with one side broken edge (bez); c Enlarged view of the broken edge of grain b showing crescentic gouge (crg); d Grain showing arc-shaped steps (as) and linear steps (ls); e Euhedral zircon with one side broken edge (bez), probably due to collision (bec); f Zircon grain with bulbous edge (ble) and reworked conchoidal fracture (rcf); g Grain showing collision impact point (clp), collision fracture (cf) with straight groove (sgr); h Grain with broken edge due to collision (bec); i Enlarged view of broken edge of grain h showing arc-shaped steps (as); j Grain with cavities (gc), adhered particles (ad), solution and precipitation features (s/p); k K-feldspar (kf) adhering to a zircon grain, also showing collision fracture (cf), and solution and precipitation features (s/p); l Grain with silica pellicle (sp), adhered particle (ad), and solution and precipitation features (s/p)

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