UAB Digital Repository of Documents 4 records found  Search took 0.00 seconds. 
1.
8 p, 5.2 MB El Alisal : a new locality with trace fossils of the Puncoviscana Formation (late Precambrian-early Cambrian) in Salta Province. Argentina / Aceñolaza, G. F. (Universidad Nacional de Tucumán (Argentina). Instituto Superior de Correlación Geológica) ; Tortello, M. F. (Museo de La Plata) ; Consejo Nacional de Investigaciones Científicas y Técnicas (Argentina) ; Universidad de Tucumán. Facultad de Ciencias Naturales e IML
The Puncoviscana, Suncho and Las Aguaditas/Negro Peinado formations represent a thick siliciclastic folded succession that crops out on a strip about 800 km long and 150 km wide in northwestern Argentina (Jujuy, Salta, Tucumán, Catamarca and La Rioja provinces). [...]
2003 - 10.1344/105.000001595
Geologica acta, Vol. 1, Núm. 1 (2003) , p. 95-102  
2.
12 p, 1.3 MB Biostratigraphic significance of the latest Cambrian-earliest Ordovician agnostoid trilobites from Northwestern Argentina / Tortello, M. F. (Museo de La Plata (La Plata, Argentina). Departamento Paleozoología Invertebrados)
The biostratigraphic significance of the latest Cambrian-earliest Ordovician trilobite agnostoids from northwestern Argentina is summarized. A characterization of the faunas recognized below and above the Cambrian-Ordovician boundary is presented on the bases of information from sierra de Cajas (Jujuy Province, Eastern Cordillera; Lampazar and Cardonal Formations), río Volcancito (La Rioja Province, Famatina range; Volcancito Formation) and other localities assigned to the Parabolina frequens argentina Biozone. [...]
2003 - 10.1344/105.000001592
Geologica acta, Vol. 1, Núm. 1 (2003) , p. 61-72  
3.
12 p, 6.2 MB Totoralia, a new conical-shaped mollusk from the Middle Cambrian of western Argentina / Tortello, M. F. (Consejo Nacional de Investigaciones Científicas y Técnicas (Argentina). División Paleozoología Invertebrados) ; Sabattini, N. M. (Consejo Nacional de Investigaciones Científicas y Técnicas (Argentina). División Paleozoología Invertebrados)
The new genus Totoralia from the Late Middle Cambrian of El Totoral (Mendoza Province, western Argentina) is described herein. It is a delicate, high, bilaterally symmetrical cone with a sub-central apex and five to seven prominent comarginal corrugations. [...]
2011 - 10.1344/105.000001692
Geologica acta, Vol. 9, Núm. 2 (Juny 2011) , p. 175-185  
4.
16 p, 4.9 MB Early Cambrian archaeocyathan limestone blocks in low-grade meta-conglomerate from El Jagüelito Formation (Sierra Grande, Río Negro, Argentina / González, P. D. (Consejo Nacional de Investigaciones Científicas y Técnicas (Argentina). Centro de Investigaciones Geológicas) ; Tortello, M. F. (Consejo Nacional de Investigaciones Científicas y Técnicas (Argentina). División Paleozoología Invertebrados) ; Damborenea, S. E. (Consejo Nacional de Investigaciones Científicas y Técnicas (Argentina). División Paleozoología Invertebrados)
Massive grey limestone blocks containing a fairly diverse but poorly preserved archaeocyath fauna were recovered from a meta-conglomerate bed in the El Jagüelito Formation (Sierra Grande area, Eastern North Patagonian Massif, Río Negro, Argentina). [...]
2011 - 10.1344/105.000001650
Geologica acta, Vol. 9, Núm. 2 (Juny 2011) , p. 159-173  

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