NJG47-2-06
1967
Comment on the Pb distribution in Southern Norwegian precambrian alkali feldspars
47
2
185-189

Lead in 23 of the potassium feldspars previously analysed by emission spectrography (HEIER & TAYLOR 1959) was determined by X-ray spectrography. Pb determinations in some standard rocks are given for comparison. The wide range in Pb contents was confirmed. The extremely low Pb contents in pegmatite feldspars from Kragero and Arendal are especially noteworthy.

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