CIG 05423
CENTRO DE INVESTIGACIONES GEOLOGICAS
Unidad Ejecutora - UE
artículos
Título:
Paleoenvironmental implications of two phosphogenic events in Neoproterozoic sedimentary successions of the Tandilia System, Argentina
Autor/es:
GÓMEZ PERAL, LUCÍA; KAUFMAN, ALAN J.; POIRÉ, DANIEL G.
Revista:
PRECAMBRIAN RESEARCH
Editorial:
ELSEVIER SCIENCE BV
Referencias:
Lugar: Amsterdam; Año: 2014 vol. 252 p. 88 - 106
ISSN:
0301-9268
Resumen:
tWO phosphogenic events of potential economic importance (preserving P2O5abundances up to 25 and35%, respectively) are recognized in the Neoproterozoic Tandilia System. The older of the two lies atop aquartz-arkosic facies association of the Villa Mónica Formation. The age of this unit remains controversial,but has previously been considered as Tonian to Cryogenian based on stromatolite assemblages and car-bon isotope trends; strontium isotope abundances of
