Agate Biography
-
First Chalcedony Layer in Two Agates from Dunure
Two small agates from Dunure, Ayrshire, Scotland (Dun017 and Dun014) provide strong evidence for a pause, or hiatus, between the formation of the first chalcedony layer and the formation of the main agate.
-
Dunure 015
Demonstrates first chalcedony layer, hemiagates, white fibrous bands, escape tubes, chromatography, inflowing iron minerals and cracks associated with sector boundary weaknesses.