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Tennessee Field Diamonds 4

Tennessee Field Diamonds 4. A treasure 485 million years in the making. Sevier Shale. Quartz crystals in the Sevier Shale show that at least some quartz deposition took place during or after the Alleghenian Orogeny. Excavation along Andrew Johnson Highway (locality 13)

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Tennessee Field Diamonds 4

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  1. Tennessee Field Diamonds4 A treasure 485 million years in the making.

  2. Sevier Shale Quartz crystals in the Sevier Shale show that at least some quartz deposition took place during or after the Alleghenian Orogeny.

  3. Excavation alongAndrew Johnson Highway(locality 13) Crystals in vugs in sheared and deformed shale bedrock

  4. Muddy Creek arm of Douglas Lake (locality 6) Many fresh crystals of local origin plus a few slightly water-worn

  5. Diamond Creek(locality 9) All crystals found at Diamond Creek show evidence of transport.

  6. Crystals near Walland (Locality 4) Contorted and sheared Sevier Shale. Quartz_crystals_5.ppt

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