Chemical and physical characteristics of Analcite that occurs as a constituent in fossils of the Chubut Group, in the province of Chubut, are described

Authors

  • Alejandro J. Toselli Universidad Nacional de Tucumán, Facultad de Ciencias Naturales
  • Juana N. Rossi de Toselli Universidad Nacional de Tucumán, Facultad de Ciencias Naturales
  • Domingo E. Agonoa Universidad Nacional de Tucumán, Facultad de Ciencias Naturales
  • Olga F. Coronel Universidad Nacional de Tucumán, Facultad de Ciencias Naturales

Keywords:

Analcima, fossils, Grupo Chubut, Argentina

Abstract

?Chemical and physical characteristics of Analcite that occurs as a constituent in fossils of the Chubut Group, in the province of Chubut, are described?. Chemical composition determined is: SiO - 57,54, Al203- 20,90, Na30- 10,00, K>20- 0,33, H20- 8,52, MgO- 0,80, Ca0- 0,30, Fe203- 1,00, and TiO2- 0,60. Fusibility is 4 to 5. Hardness is 5,5, Specific gravity is 2,19. Unit cell determinated by X- Ray diffraction is 13,696 A. All these physical properties are different to Analcites that occurs as a primary constituent of some igneous rocks.

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Published

1980-12-07

How to Cite

Toselli, A. J., Rossi de Toselli, J. N., Agonoa, D. E., & Coronel, O. F. (1980). Chemical and physical characteristics of Analcite that occurs as a constituent in fossils of the Chubut Group, in the province of Chubut, are described. Acta Geológica Lilloana, 15(2), 35–40. Retrieved from http://www.lillo.org.ar/respaldos/journals-202108/journals/index.php/acta-geologica-lilloana/article/view/763

Issue

Acta Geológica Lilloana 15 (2) (1980)

Section

Artículos