The Ag-Pb-Zn-Au vein and replacement deposits of the Kokanee Range, southeastern British Columbia, are hosted by the Middle Jurassic Nelson batholith and...
An 40Ar/39Ar study of white micas from high-pressure metamorphic rocks of northern New Caledonia yielded cooling ages of 37 ± 1 Ma for both epidote and...
An improved method of measuring radiogenic Pb isotopic compositions with a Finnigan-MAT 261® multi-collector mass spectrometer equipped with a secondary...
The Early Proterozoic Torngat Orogen resulted from the oblique collision of the Archean Nain and southeastern Rae provinces and evolved in four stages: (0)...
A narrow belt of Late Ordovician-Early Silurian blueschist, at least 70 km long, separates an afochthonous fragment of back-arc oceanic crust of the Middle...
We report here the results of a study to develop natural zircon geochemical standards for calibrating the U-(Th)-Pb geochronometer and Hf isotopic analyses....
Magnetic sector mass spectrometers used for automatic acquisition of precise isotopic data are usually controlled with Hall probes and software that uses...