|
|
|
|
|
Margarita Do Campo, Fernando Nieto, Guillermo L. Albanesi, Gladys Ortega, Rubén Monaldi
Pág. 179 - 212
The thermal post-depositional evolution of metapelitic and metavolcanic rocks of the upper CambrianOrdovician
succession in the Central Andes of northwestern Argentina, was estimated through X ray diffraction of clay
mineral analysis, Kübler Index (KI),...
ver más
|
|
|
|
|
|
|
|
|
|
|
Marília Malta Cavalcante Mendes,Lúcia de Fátima de Carvalho Chaves,Tarcísio Pio Pontes Neto,José Antônio Aleixo da Silva,Márcia do Vale Barreto Figueiredo
Pág. 309 - 320
http://dx.doi.org/10.5902/198050989277A Sabiá (Mimosa caesalpiniaefolia Benth.) possui a característica ecológica de se associar simbioticamente a bactérias fixadoras de Nitrogênio e fungos micorrízicos arbusculares. Tais associações são utilizadas como ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Gilda Collo,Margarita Do Campo,Fernando Nieto
Pág. 284 - 318
The metamorphic P-T conditions of low-grade units from the Famatina belt, Central Andes of Ar¬gentina, were estimated through petrography, X-ray diffraction, and electron microscopy. For the Middle-Upper Cambrian Negro Peinado Formation a tectono-metamor...
ver más
|
|
|
|
|
|
|
|
|
|
|
Gilda Collo,Ricardo A. Astini,Agustin Cardona,Margarita D. Do Campo,Umberto Cordani
Pág. 191 - 214
Many of the metamorphic and deformational events associated to low-grade units in NW Argentina have been linked with ancient orogenies, like the Pampean (Cambrian) and the Ocloyic (Ordovician) cycles. The lack of specific ages in the low-grade metamorphi...
ver más
|
|
|
|
|
|
|
|
|
|
|
Margarita Do Campo,Ricardo Omarini,Héctor Ostera
Pág. 233 - 240
RESUMEN. Se comparan dataciones K-Ar obtenidas en fracciones finas de pelitas de la Formación Puncoviscana con edades determinadas en roca total por varios autores, y se interpreta su significado geológico. Para 20 muestras tomadas sobre perfiles realiza...
ver más
|
|
|
|
|
|