Hominid Cave at Thomas Quarry I (Casablanca, Morocco): Recent findings and their context

Jean Paul Raynal*, Fatima Zohra Sbihi-Alaoui, Abderrahim Mohib, Mosshine El Graoui, David Lefèvre, Jean Pierre Texier, Denis Geraads, Jean Jacques Hublin, Tanya Smith, Paul Tafforeau, Mehdi Zouak, Rainer Grün, Edward J. Rhodes, Stephen Eggins, Camille Daujeard, Paul Fernandes, Rosalia Gallotti, Saïda Hossini, Alain Queffelec

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    45 Citations (Scopus)

    Abstract

    The Thomas Quarry I locality was made famous in 1969 with the discovery of a human half-mandible in a cave. In 1985, further investigations revealed the presence of a Lower Acheulean assemblage in lower units of the section. From 1988 onwards, modern controlled excavations took place within the framework of the Franco-Moroccan co-operative project " Casablanca" Acheulean artefacts, a rich mammalian fauna and four hominid teeth have been excavated from the cave. The faunal set indicates an open woodland environment. Carcasses were processed by carnivores, but cut-marks are absent, which raises the question of any human role in the bone accumulations. Stone knapping was mainly oriented towards flake production and a few bifaces have been imported into the site. Laser ablation ICP-MS dating combining the ESR and U-series data for the modelling of the U-uptake has given an US/ESR age of 501+94-76 ka for a human premolar while new OSL measurements yielded an age of 420 ± 34 ka for sediments immediately above the dated tooth and 391 ± 32 ka below. Nevertheless, biostratigraphy and lithostratigraphy point towards a greater antiquity.

    Original languageEnglish
    Pages (from-to)369-382
    Number of pages14
    JournalQuaternary International
    Volume223-224
    DOIs
    Publication statusPublished - Sept 2010

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