Tennessee Field Diamonds4

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 alongAndrew Johnson Highway

(locality 13)

Crystals in vugs in sheared and deformed shale bedrock

Muddy Creek arm of

Douglas Lake

(locality 6)

Many fresh crystals of local origin plus a few slightly water-worn

Diamond Creek(locality 9)

All crystals found at Diamond Creek show evidence of transport.

Crystals near Walland

(Locality 4)

Contorted and sheared Sevier Shale.

Quartz_crystals_5.ppt