Variation of magnetic properties in sediments from Lake Toncek (Patagonia, Argentina)

  1. C. Gogorza 1
  2. M.F. Bogalo 2
  3. R. Achaga 1
  4. K. Mohamed Falcon 3
  5. D.A. Martinez 1
  6. M.A. Irurzun 1
  7. F. Montes de Oca 4
  8. J. Massaferro 4
  9. M. Calvo-Rathert 2
  1. 1 Centro de Investigaciones en Física e Ingeniería del Centro de la Provincia de Buenos Aires(CIFICEN), CONICET - UNCPBA – CICPBA, Tandil, Argentina
  2. 2 Universidad de Burgos
    info

    Universidad de Burgos

    Burgos, España

    ROR https://ror.org/049da5t36

  3. 3 Universidade de Vigo
    info

    Universidade de Vigo

    Vigo, España

    ROR https://ror.org/05rdf8595

  4. 4 CONICET, CENAC/APN, Administración de Parques Nacionales, Bariloche, Río Negro, Argentina
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Journal:
Latinmag Letters

ISSN: 2007-9656

Year of publication: 2019

Volume: 9

Issue: C05-O

Pages: 1-6

Type: Article

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Abstract

We investigated the mineral-magnetic behavior of sediments from Laguna Toncek located in the NahuelHuapi National Park, Northern Patagonia, Argentina. Rock magnetic analysis complemented by X-ray diffraction and scanning electron microscopy analysis were carried out on sediment core TON1 to provide insights on the environmental and sedimentary processes controlling the magnetic properties of the sedimentand its paleoclimatic implications. The studies suggest the presence of titano-magnetite with a grain size of∼1–2 µm and a concentration that varies between 0.03 and 0.15%