Published 1992
| Version v1
Journal article
A new radiometric age estimate for the Rotoehu Ash from Mayor Island volcano, New Zealand
- 1. Department of Earth Sciences, Cambridge University, Cambridge (United Kingdom)
- 2. DSIR Geology and Geophysics, Rotorua (New Zealand)
- 3. Geological Survey, Menlo Park, CA (United States)
- 4. Department of Geology, Canterbury University, Christchurch (New Zealand)
Description
The age of the Rotoehu Ash is estimated as 64 ± 4 ka from whole-rock K-Ar age determinations on older and younger lava flows on Mayor Island volcano. This age is compatible with an existing U/Th disequilibrium age of 71 ± 6 ka and both are significantly older than the currently accepted value of 50 ka. (author). 29 refs., 2 figs., 2 tabs
Additional details
Publishing Information
- Journal Title
- New Zealand Journal of Geology and Geophysics
- Journal Volume
- 35
- Journal Issue
- 3
- Journal Page Range
- p. 371-374
- ISSN
- 0028-8306
INIS
- Country of Publication
- New Zealand
- Country of Input or Organization
- New Zealand
- INIS RN
- 36036411
- Subject category
- S58: GEOSCIENCES;
- Descriptors DEI
- AGE ESTIMATION; ARGON 38; ARGON 40; CARBON 14; NEW ZEALAND; POTASSIUM; RADIOMETRIC ANALYSIS; VOLCANOES
- Descriptors DEC
- ALKALI METALS; ARGON ISOTOPES; AUSTRALASIA; BETA DECAY RADIOISOTOPES; BETA-MINUS DECAY RADIOISOTOPES; CARBON ISOTOPES; CHEMICAL ANALYSIS; DEVELOPED COUNTRIES; ELEMENTS; EVEN-EVEN NUCLEI; ISLANDS; ISOTOPES; LIGHT NUCLEI; METALS; NUCLEI; QUANTITATIVE CHEMICAL ANALYSIS; RADIOISOTOPES; STABLE ISOTOPES; YEARS LIVING RADIOISOTOPES