In this article, the authors reported in Table 1 the locations and depths of the samples of diamondiferous kimberlite that they studied. They also mention that Table 1 contains the U/Pb results on perovskite, along with 1σ analytical errors and the ages derived therefrom. However, the latter part of Table 1 was inadvertently never submitted for publication. The addendum to Table 1 is reproduced below; the interpretations discussed in the article are in no way modified by this additional information.

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