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orbjr̲n Sigurgeirsson, 1917-
Dating recent basalt by the potassium-argon method, 1962-1970.
The article was written by Thorbjorn Sigurgeirsson at the Physical Laboratory of the University of Iceland, but was never published.
Argon.
Potassium.
Potassium-argon dating
Radioactive dating.
AIP-ICOS
American Institute of Physics. Niels Bohr Library & Archives. One Physics Ellipse, College Park, MD 20740, USA
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