U/Pb whole-rock and mineral dating of the Falkenberg granite in. The sediments—mainly pelites, silt- and sandstones—can be separated into three different zones (A, B, and C) according to their varying degrees of deformation and transformation, which took place during the Hercynian (= Variscan) orogeny (Carboniferous). U/Pb and Pb/Pb isotope ratios of 10 whole-rock samples, 3 K-feldspars, 3 muscovites, 3 biotites, and 7 apatites from the Falkenberg granite northeast Bavaria.
Ar39Ar whole-rock dating and the age of cleavage in the. These older ages are interpreted as due to relicts in the zircons. The samples display similarly discordant 40 Ar 39 Ar whole-rock age and K Ca spectra with total-gas ages ranging between ∼606 and ∼661 Ma. Spectra.
Rb-Sr whole rock and U-Pb zircon datings of the granitic - Co-Action. However, dates derived from zircons scatter between 320 and 360 Ma. Conformable age has been obtained by Rb-Sr whole rock dating. A Rb-Sr whole rock age determination of the shaly phyllites from the Deilegga was.
Rb-Sr whole rock dating of acid rocks Acid tuffs, in contrast. - J-Stage The apparent U/Pb isochron “age” of 304 Ma and the Th/Pb isochron “age” of 303 Ma cannot be accepted as ages because the hh MSWD values classify them as “scatterchrons”. Rb-Sr whole rock dating of acid rocks. As a general rule it is assumed that Rb-Sr whole rock isochron systems are relatively re sistant to metamorphic alteration.
Radioactive dating - Australian Museum AA(Laboratory for Isotope Geochemistry and Mass Spectrometry, Swiss Federal Institute of Technology; Institut für Kristallographie und Petrographie, E. H.), AB(Laboratory for Isotope Geochemistry and Mass Spectrometry, Swiss Federal Institute of Technology) Rb-Sr whole-rock and mineral analyses are reported from Early Paleozoic sediments of the southern rim of the French Central Massif (Montagne Noire). Radioactive dating is a method of dating rocks and minerals using radioactive. Either a whole rock or a single mineral grain can be dated.
U/Pb whole-rock and mineral dating of the Falkenberg. An age of 316 ± 9 Ma was calculated from a Pb—Pb isochron for these samples. U/Pb whole-rock and mineral dating of the Falkenberg granite in northeast Bavaria C. Carl 1, 1. Wendt 1 and J.1. Wendt Z 1 Bundesanstalt f Geowissenschaften.
Whole rock dating:
Rating: 100 / 100
Overall: 88 Rates