zircons Definition

zirconium silicate, detrital, euhedral, are, dating, contain, inherited, show, dated, yielded, analyzed, obtained, separated, extracted, contains, yield, derived, occur, indicate, zoned, old, single, rounded, ancient, older, accessory, natural, metamorphic, terrestrial, magmatic, blue, archean, discordant, shocked, colourless, ages, rocks, age, analyses, evidence, gneiss, sample, existence, data, granites, study, gneisses, granite, studies, samples, presence, sapphires, diagram, apatites, australia, geochronology, water, surface, atomic number 40, beads, birds, bulbs, burn, butterflies, chromatophores, crystals, diamonds, feldspars, flowers, fob, garnets, gemstones, globes, hyacinth, jacinth, jargon, jargoon, jellyfish, norium, olivine, pebbles, pegmatites, rock, spherules, thorite, zirconium, zirconoid,