Formación de grafito a partir de fluidos: La mineralización de Huelma (Jaén).

  1. M. Rodas 1
  2. J. F. Barrenechea 1
  3. F. J. Luque 1
  1. 1 Dpto. Cristalografía y Mineralogía, Facultad de Ciencias Geológicas, Universidad Complutense de Madrid. 28040 MADRID.
Aldizkaria:
Geogaceta

ISSN: 0213-683X

Argitalpen urtea: 1996

Zenbakia: 20

Orrialdeak: 1573-1575

Mota: Artikulua

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Beste argitalpen batzuk: Geogaceta

Laburpena

The volcanic-hosted graphite mineralization of Huelma (Jaén) has been studied in order to stablish the mineralogical characteristics and mechanisms of formation. The graphite is highly ordered (as revealed by XRD and Raman data) and rather pure chemically (C content >90%). The isotopic signature (d13C=- 23 to -20.7%) and other geological evidences indicate that C in these graphites is derived from the organic matter included in the metamorphic basement.

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