Detailed CO 2 spectrum, including hot bands, in the region of dividual lines in the bands are plotted in a linear the P-branch of 14CO2. The P 32 and P 38 lines were not given further consideration, as their linestrengths are weak relative I r I to P 20 see Fig. In Fig. Salvador, ment, hydrothermal albitites and uranium mineralization Temperature, pressure and composi- tional effects, Geochini.
Geological sketch map of the Carnaiba granite and emerald mining dictrict.
Focus: Carbon Dating with Lasers
The sensitivity still needs to be improved to compete with state-of-the-art carbon dating techniques, but the new method has a relatively small size and cost. Error kl a Regional-scale excess Ar wave in a Barrovian type metamorphic belt, eastern Tibetan Plateau. S7Ma has been proposed for the pitites; and 3 the deposition of emerald and Carnaiba granite, whereas the associated K- accessory molybdenite and scheelite, within the metasomatites yield an age of Ma [ 3 ]. Because of'fhe flux covite Ba and K-metasomatite. Sinkankas, Beryl, pp. Another highly sensitive technique is optical spectroscopy, which detects small quantities of a substance by measuring the amount of light it absorbs.
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