CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins87% CONFIDENCEOverall confidence: 87%How well the pin's source and references back up its dates.Weighted average of how firmly 4 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better
Rio Tinto[2] Guinea's press release is dated "December 3, 2025" ("has announced the departure of its first shipment"); Rio's 2025 results say "first ore shipment in December".On 3 December 2025 SimFer, the Rio Tinto-partnered venture, announced that the first shipment of Simandou iron ore had left Moribaya Port in Guinea for global steelmakers.
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