Os isotopic constraints on crustal contamination in Auckland Volcanic Field basalts, New Zealand

Very long-term outcome after stroke in Auckland, New Zealand.

BACKGROUND AND PURPOSE Limited information exists on the long-term outcome from stroke. We aimed to determine survival and health status at 21-year follow-up of patients who participated in a population-based stroke incidence study undertaken in Auckland, New Zealand. METHODS During 12 months beginning March 1, 1981, half of all residents of Auckland with acute first-ever or recurrent stroke ...

Contamination and melt aggregation processes in continental £ood basalts : constraints from melt inclusions in Oligocene basalts from Yemen

Melt inclusions from Oligocene continental flood basalts (CFB) erupted in Yemen provide unique insight into the timing and nature of the processes that lead to crustal contamination and melt aggregation in CFB magmas. Large variations in trace element indices that are sensitive to the degree and composition of assimilated crustal material (e.g. K2O=0.20^1.94 wt%, Ba= 13^543 ppm, K/Nb=128^1603, ...

Crustal thickness constraints on the geodynamic evolution of the Galapagos Volcanic Province

We developed a simple quantitative framework based on crustal thickness estimations along the Carnegie, Cocos and Malpelo ridges, to place first-order constraints on the tectonic evolution of the Galapagos Volcanic Province and on the along-axis intensity of the Galapagos melt anomaly during the last 20 m.y. Our results suggest that the Cocos^ Nazca spreading centre has migrated northwards at 2...

Excesses of seawater - derived 234 U in volcanic glasses from Loihi Seamount due to crustal contamination

Crustal Deformation due to Atmospheric Pressure Loading in New Zealand

We investigate atmospheric pressure loading displacements in New Zealand using global and regional air-pressure data collected over a period of 50 years (1960-2009). The elastic response of the Earth to atmospheric loading is calculated by adopting mass loading Love numbers based on the parameters of the Preliminary Reference Earth Model (PREM). The ocean response to atmospheric loading is comp...