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Tennessee Field Diamonds 4 A treasure 485 million years in the making.

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Presentation on theme: "Tennessee Field Diamonds 4 A treasure 485 million years in the making."— Presentation transcript:

1 Tennessee Field Diamonds 4 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.

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4 Excavation along Andrew Johnson Highway (locality 13) Crystals in vugs in sheared and deformed shale bedrock

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

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

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


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