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Alkali basalts and enclosed ultramafic xenoliths near Ushuaia, Tierra Del Fuego, Argentina
(Springer, 2016-12)
At the southernmost part of Tierra del Fuego a few outcrops and erratic boulders of alkali basaltic rocks with ultramafic enclaves have been studied. Alkali basalt plugs or pipes hitherto identified are scarce, and host ...
The upper mantle beneath Patagonia, Argentina, documented by xenoliths from alkali basalts
(Pergamon-Elsevier Science Ltd, 2005-01)
Mantle xenoliths in alkali basaltic lavas (with ocean-island basalt chemical signatures) and cinder cones occur in several areas of Patagonia. A representative suite of mantle xenoliths was collected in the region between ...
Alkali-silica reactivity of basaltic aggregates of Mesopotamia Argentina: Case studies
(Springer Heidelberg, 2019-10)
This work consists of two stages; first, studies were conducted to evaluate the potential reactivity of crushed material (6–20 mm fraction) from two quarries (named A and B) producing basaltic aggregates in the northeast ...
THE RIO GRANDE DO NORTE ALKALI - OLIVINE BASALT ASSOCIATION, NORTHEAST BRAZILTHE RIO GRANDE DO NORTE ALKALI - OLIVINE BASALT ASSOCIATION, NORTHEAST BRAZIL
(Sociedade Brasileira de Geologia, 2018)
Depleted lithosphere from the mantle wedge beneath Tres Lagos, southern Patagonia, Argentina
(Elsevier Science, 2007-03-22)
Anhydrous spinel lherzolite and harzburgite xenoliths from Tres Lagos, situated inboard of the Volcanic Arc Gap (VAG) in southernmost Patagonia, are samples of a depleted lithospheric mantle and can be divided into two ...