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Agates from Western Atlas (Morocco)—Constraints from Mineralogical and Microtextural Characteristics
Agate samples collected from the vicinity of Asni and Agouim (Western Atlas, Morocco) were investigated using microscopic observations supported by Raman micro-spectroscopy. The agates are marked by the presence of various microtextures typical of epithermal vein deposits, including jigsaw-puzzle, feathery, and lattice-bladed. The first two indicate that the formation of agates was likely marked by recrystallization of metastable silica phases (i.e., opaline silica or massive chalcedony). Thedoi:10.3390/min10020198 fatcat:6fjqgbm5knfl3gycluosrd7uqe