Subjects: RARE earth metals; GABBRO; URANIUM-lead dating
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Subjects: ZIRCON; GEOLOGICAL time scales; ROCK deformationCONGO River Watershed
Subjects: RARE earth metals; GEOLOGICAL time scales; HEAVY elementsHUNAN Sheng (China)
Subjects: RARE earth metals; NONFERROUS metals; CRUST of the earthHUNAN Sheng (China)
Subjects: SECONDARY ion mass spectrometry; STABLE isotope analysis; IN situ microanalysis
Subjects: ELECTRON probe microanalysis; TRACE element analysis; GRANITEQINGHAI Sheng (China)