Comparison of radiogenic helium and lead in zircon
Geochimica et Cosmochimica Acta
By: Patrick M. Hurley, E. S. Larsen Jr., and David Gottfried
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Abstract
A direct comparison of helium and radiogenic lead in nonmetamict zircon crystals has indicated a 25 per cent discrepancy between these radiogenic constituents. It appears that the amount of helium is only three-quarters of the amount that should be present according to the content of radiogenic lead. Approximately the same proportion was found in zircon having a wide range in age, activity, and total alpha irradiation, and in large pegmatite zircon crystals, as well as in microscopic crystals from igneous rocks.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Comparison of radiogenic helium and lead in zircon |
| Series title | Geochimica et Cosmochimica Acta |
| DOI | 10.1016/0016-7037(56)90060-6 |
| Volume | 9 |
| Issue | 1-2 |
| Year Published | 1956 |
| Language | English |
| Publisher | Elsevier |
| Description | 5 p. |
| First page | 98 |
| Last page | 102 |