Caracterización geofísica de técnicas de explotación de nódulos de sílex en el yacimiento de la Leandra (La Muela, Zaragoza)

  1. Ó. Pueyo Anchuela 1
  2. J.V. Picazo Millán 1
  3. Mª M. Sampietro Vattuone 2
  4. J. Fanlo Loras 1
  5. A. Pocoví Juan 1
  6. J.L. Peña Monné 1
  7. A. Tarriño Vinagre 3
  8. F. Pérez Lambán 1
  1. 1 Universidad de Zaragoza
    info

    Universidad de Zaragoza

    Zaragoza, España

    ROR https://ror.org/012a91z28

  2. 2 Universidad Nacional de Tucumán-CONICET
  3. 3 Universidad del País Vasco CENIEH
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Journal:
Geotemas (Madrid)

ISSN: 1576-5172

Year of publication: 2021

Issue Title: X Congreso Geológico de España

Issue: 18

Pages: 813

Type: Article

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More publications in: Geotemas (Madrid)

Abstract

In La Leandra archaeological site (La Muela, Zaragoza) Miocene lacustrine deposits outcrop and usually present levels with high concentration of silex nodules. These nodules have been exploited during several periods, and due to the weather and demographic characteristics, original topographical features related to their exploitation usually persists. With the aim of evaluating the site exploitation from a geophysical point of view magnetometry, magnetic susceptibility survey and ground penetrating radar were integrated with the obtained information from a drone flight. This analysis permits to identify an exploitation progression from vertical pits, lateral continuity of the excavation when profitable levels were found through horizontal platforms and the later filling of the excavated pits during the excavation progression. The studied case permits to infer from geometrical and structural changes the mining progression from an expected Neolithic quarry and the identifi- cation of an exploitation routine through transfer mining.

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