Geologic sources and geographic distribu
โ
William R. Dickinson; Brian M. Butler; Darlene R. Moore; Marilyn Swift
๐
Article
๐
2001
๐
John Wiley and Sons
๐
English
โ 284 KB
## Abstract Temper sands in prehistoric potsherds of the Mariana Islands include terrigenous detritus derived from Paleogene volcanic bedrock and calcareous grains derived chiefly from modern fringing reefs, but also in part from uplifted Neogene limestones overlying volcanic bedrock. Calcareous sa