Artefactele colectate, printre care 1.900 unelte din piatră cioplită, dovedesc că prezenţa oamenilor în grota Chiquihuite, din nordul Mexicului, datează cu până la 33.000 de ani în urmă şi s-a întins pe o perioadă de 20.000 de ani.
Cele mai vechi artefacte descoperite aici au fost datate ca provenind dintr-o perioadă cuprinsă între 33.000 şi 31.000 de ani înaintea erei noastre.
Acestea pun în evidenţă existenţa unei industrii litice necunoscute până la această dată, care utiliza unelte din piatră tăiate în lamele fine.
Originile primilor ocupanţi ai Americii sunt intens dezbătute în rândul antropologilor şi arheologilor.
Totodată, românul care face parte din rândul arheologilor care au întocmit cele două studii se numește Ciprian F. Ardelean și a absolvit Facultatea de Istorie a Universităţii ”Babeş-Bolyai”. În prezent este profesor şi cercetător la Universitatea Autonomă din Zacatecas.
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Politic
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