As part of a search for possible alluvial diamonds, within gravels of probable Tertiary age which may have been derived from a nearby area known to contain kimberlitic rocks, 4 stream sediment samples and 7 bulk samples were taken and processed to...

Exploration of Adelaidean age clastic metasediments and derived ?Tertiary alluvial gravels in the Spalding area, seeking possible placer diamond deposits, was initially based on stream gravel sampling and evaluation of magnetic features. Following...