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) 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
