Gradiente Geotérmico Vertical y Flujo Térmico de la Sima de Benis (-320 m Cieza)tasa de deformación Cuaternaria en fallas-cueva activas

  1. R. Pérez-López 1
  2. E. Bañón 2
  3. J. Lario 3
  4. P.G. Silva 4
  5. M.A. Rodríguez-Pascua 1
  6. J. García-Mayordomo 1
  7. E.L. Pueyo 1
  8. A. Marcos-Nuez 5
  1. 1 IGME- Instituto Geológico y Minero de España
  2. 2 Grupo Espeleológico RESALTES
  3. 3 Facultad de Ciencias. UNED
  4. 4 Universidad de Salamanca
    info

    Universidad de Salamanca

    Salamanca, España

    ROR https://ror.org/02f40zc51

  5. 5 GERA – Grupo de Rescate en Altura. Bomberos de la Comunidad de Madrid
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Journal:
Geotemas (Madrid)

ISSN: 1576-5172

Year of publication: 2012

Issue Title: VIII Congreso Geológico de España, Oviedo, 17-19 de julio, 2012.

Issue: 13

Pages: 1527-1530

Type: Article

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Abstract

In this work, we show the deep thermal profile of the Benis Cave (-350 m, Cieza, SE of Spain), which is related to the Benis Fault. This thermal profile was obtained from single rock point temperature measured over a period of 2 years. The temperature increases with depth, being, as a consequence, a reverse thermal profile. Based on this thermal profile, we have estimated that, over that period of time, the Vertical Geothermal Gradient is of 4.63ºC/100 m for the deep zone (-150-290 m). Furthermore, we have obtained a carbon dioxide profile, the values of which range between 650 and 880 ppm. Finally, on the basis of those data, we have calculated the Quaternary slip-rate for the fault-cave of Benis by estimating the shallow heat flow and the fault geometry. The slip-rate value ranges between 0.05- 0.04 mm/yr.

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