Results 71 to 80 of about 2,352 (96)

Los cantos volcánicos del conglomerado basal de la Fm. Herrería: Evidencias de un Volcanismo Neoproterozoico en la base del Cámbrico

open access: yes, 2004
In the East limb of the Narcea Antiform (Iberian massif) outcrops siliciclastic Cambrian materials with uncomformity disposition over the Neoproterozoic Narcea Slates. The lower Cambrian Herrería Fm. in the Cantabrian Zone includes a conglomeratic unit that it's interpreted like a cohesive debris flow and braided chanels.
Rubio Ordóñez, Álvaro   +6 more
openaire   +1 more source

Sedimentación en plataforma somera durante el Neoproterozoico. Formación Boque-Serpins (Grupo de las Beiras) en Trevim (Sierra de Lousá, Portugal Central)

open access: yes, 2000
The metasediments of the Schist-Greywacke Complex (Durico-Beirao Supergroup) of late Neoproterozoic to lower Cambrian age are at present divided in Portugal into Beiras, Douro and Arda-Marofa Groups. In the Sierra de Lousa (western part of Central Portugal) there are outcrops of metasediments which belong to the Beiras Group, which comprises two ...
Alonso Gavilán, G.   +3 more
openaire   +1 more source

Basamento paleozoico de la Sierra Madre Oriental: condiciones metamórficas de P-T en la presencia de fengita y clorita [PDF]

open access: yes, 2015
Abratis, Michael   +4 more
core  

La secuencia litoestratigráfica del Neoproterozoico-Cámbrico Inferior

open access: yes, 2004
Rodríguez Alonso, M. D.   +10 more
openaire   +1 more source

Síntesis geocronológica de la evolución paleozoica inferior del borde sur occidental de Gondwana en las Sierras Pampeanas, Argentina [PDF]

open access: yes, 1997
Baldo, Edgardo G.   +5 more
core  

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