The Origin of Gem Deposits: New Theories - John Saul - 2019 Dallas Mineral Collecting Symposium from kenya video born Watch Video
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⏲ Duration: 20 min 61 sec ✓ Published: 03-Jan-2020
Description: The tanzanite occurrence, the Umba River sapphire deposit in northeastern Tanzania, and the John Saul Ruby Mine in southeast Kenya define a circle, necessarily so, because any three geometric points define a unique circle. This 158-mile (255 km) diameter circle can be explained as the exposed portion of a 3-D impact scar formed at the same time as the lunar scars. Events can be traced from the formation of this approximately 4000 million year old feature to the origin of the gem deposits almost
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