Neogene lithological units at the west end of the Guadalquivir Basin and their correlations with the Huelva-1 borehole (Huelva - Spain)

  1. A. Salazar 1
  2. J.C. Larrasoaña 1
  3. M. Abad 2
  4. E. Mayoral 3
  5. J.N. Pérez-Asensio 4
  6. M.L. González-Regalado 3
  7. R. Martín-Banda 5
  8. J. Civis 1
  9. M.P. Mata 1
  1. 1 Instituto Geológico y Minero de España
    info

    Instituto Geológico y Minero de España

    Madrid, España

    ROR https://ror.org/04cadha73

  2. 2 Universidad de Atacama
    info

    Universidad de Atacama

    Copiapó, Chile

    ROR https://ror.org/022yres73

  3. 3 Universidad de Huelva
    info

    Universidad de Huelva

    Huelva, España

    ROR https://ror.org/03a1kt624

  4. 4 Universitat de Barcelona
    info

    Universitat de Barcelona

    Barcelona, España

    ROR https://ror.org/021018s57

  5. 5 Universidad Complutense de Madrid
    info

    Universidad Complutense de Madrid

    Madrid, España

    ROR 02p0gd045

Journal:
Geotemas (Madrid)

ISSN: 1576-5172

Year of publication: 2016

Issue Title: IX CONGRESO GEOLÓGICO DE ESPAÑA

Issue: 16

Pages: 173-176

Type: Article

More publications in: Geotemas (Madrid)

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  • Dialnet Métricas Cited by: 1 (25-02-2024)

Abstract

A detailed surveying and a new geological mapof the sheet at 1:50.000 number 999/1016 (Huelva -Los Caños), located at the west end of the Guadalquivir Basin, has been carried out. This data allows us to propose a new organization of the lithological units present at the west sideof the Odiel River. These units include all the sedimentary record in this sector of the Guadalquivir Basin,rangingfromTortonian to Pliocene, but with shallower and coarser faciesthat are only present in this part of the basin. This fact is due to the location of the area, probably less subsiding due to a longerdistance from Betic-Rif orogen. The lithological units are described conciselyanda correlation with the core of the Huelva-1 borehole and with the outcrops of Huelva –Palos de la Frontera area is also proposed. Theunits are organized in a stack of sequences with a progradationalpattern, typical of a basin margin, and highlighting a gradual reduction of the accommodation space in the late Messinian and during the Pliocene.