| 31. | Zircon grains in the Cooee Dolerite are from mostly.
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| 32. | Gemstones such as zircon, sapphire and ruby were formed from the volcano.
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| 33. | But for some swanky dishes this season, zircons may be more like it.
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| 34. | It is likely to be another very good year for both rutile and zircon.
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| 35. | Zircon carne _ Chili made with phony diamonds.
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| 36. | The oldest Earth minerals are tiny grains of zircon found in sandstone in Australia.
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| 37. | More recently, Valley developed new techniques to analyze the oxygen within zircon crystals.
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| 38. | Zircon is a durable mineral formed from the force of the tsunamis crashing ashore.
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| 39. | Granites and detrital zircons have notably similar and episodic appearances in the rock record.
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| 40. | The name of zirconium is taken from the mineral " zircon ".
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