A coarse-grained, xenolith-rich diatreme breccia was discovered within 5 metres of the boulders. Subsequent trenching uncovered the breccia over a length of 75 metres; another trench, dug about 100 metres to the northwest, followed it across its width for 85 metres.
So far, 249.6 kg of samples from weathered outcrops and boulders of diatreme breccia in Area E have have yielded 9,094 microdiamonds and 141 macrodiamonds (a macro is defined as exceeding 0.5 mm in at least one dimension). Five of the macros have a dimension of at least 1 mm, with the largest stone measuring 1.94 by 1.54 by 1.16 mm and weighing 0.0226 carat. The diamonds vary in colour, clarity and form, and include broken fragments. The colours vary from clear to white, grey, pink and yellow. Band-Ore plans to extract a 10-tonne sample for marcros only.
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