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Journal of Palaeogeography
Fig. 7 | Journal of Palaeogeography

Fig. 7

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. 7

Scanning Electron Microscopy (SEM) images showing surface microtextures of detrital zircons from the Palma Sola beach sediments. a Dual striated zircon (dsz) well abraded at both ends; b Zircon grain with an abraded edge (abe) and adhered particles (ad); c Zircon grain with an abraded edge (abe) and silica pellicle (sp); d Angular grain with circular solution pits (csp) on fracture plane and silica pellicle (sp); e Collision fracture (cf) with adhered particles (ad); f A sub-rounded zircon grain with adhered particles (ad); g A euhedral zircon grain with collision fracture (cf); h Zircon grain showing delamination (dl), meandering ridge (mr), and adhered particle appears to be silica globule (ads); i Enlarged view of grain h showing delamination (dl); j V-shaped percussion cracks (vs) and arc-shaped steps (as); k Reworked conchoidal fracture (rcf) with linear steps (ls); l Zircon grain with adhered particles (ad), silica globule (sg), merged silica globule (msg), and silica flower (sf), due to precipitation

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