Dating of quaternary basalts using the cosmogenic [sup 3]He and [sup 14]C methods with implications for excess [sup 40]Ar
Journal Article
·
· Geology; (United States)
- Los Alamos National Lab., NM (United States)
Concordant radiocarbon and cosmogenic [sup 3]He dates of 3 and 11 ka on basalt flows and associated scoria deposits from the Zuni-Bandera volcanic field in New Mexico further substantiate published production rates and latitudinal and altitudinal corrections for [sup 3]He. Identical [sup 3]He concentrations in coexisting olivine and clinopyroxene confirm that these two minerals have very similar production rates. A cosmogenic [sup 3]He date of 57 ka on another flow is concordant with a U-series date and is younger than two K-Ar dates, suggesting that this flow contains excess [sup 40]Ar. This excess [sup 40]Ar is also evident in gases released by vacuum crushing of olivine-clinopyroxene fractions from all three flows. 27 refs., 3 figs., 3 tabs.
- OSTI ID:
- 5095597
- Journal Information:
- Geology; (United States), Journal Name: Geology; (United States) Vol. 22:2; ISSN 0091-7613; ISSN GLGYBA
- Country of Publication:
- United States
- Language:
- English
Similar Records
Late Quaternary geology of small basaltic volcanic centers, SW USA: Disparity among dating methods and implications for volcanic and geomorphic studies
The age of Lathrop Wells volcanic center: An {sup 40}Ar/{sup 39}Ar dating investigation
New Mexico Geochronology Research Laboratory: Zuni-Bandera volcanic field road log
Journal Article
·
Wed Dec 30 23:00:00 EST 1992
· Geological Society of America, Abstracts with Programs
·
OSTI ID:140009
The age of Lathrop Wells volcanic center: An {sup 40}Ar/{sup 39}Ar dating investigation
Journal Article
·
Thu Dec 31 23:00:00 EST 1998
· Journal of Geophysical Research
·
OSTI ID:328584
New Mexico Geochronology Research Laboratory: Zuni-Bandera volcanic field road log
Conference
·
Wed Mar 31 23:00:00 EST 1993
·
OSTI ID:10145656
Related Subjects
440101 -- Radiation Instrumentation-- General Detectors or Monitors & Radiometric Instruments
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
58 GEOSCIENCES
580000* -- Geosciences
AGE ESTIMATION
ARGON 40
ARGON ISOTOPES
BASALT
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
CARBON 14
CARBON ISOTOPES
CENOZOIC ERA
DATA
DEVELOPED COUNTRIES
EVEN-EVEN NUCLEI
EVEN-ODD NUCLEI
EXPERIMENTAL DATA
GEOLOGIC AGES
HELIUM 3
HELIUM ISOTOPES
IGNEOUS ROCKS
INFORMATION
ISOTOPES
LAVA
LIGHT NUCLEI
MINERALS
NEW MEXICO
NORTH AMERICA
NUCLEI
NUMERICAL DATA
OLIVINE
QUATERNARY PERIOD
RADIOISOTOPES
ROCKS
SILICATE MINERALS
STABLE ISOTOPES
USA
VOLCANIC ROCKS
VOLCANOES
YEARS LIVING RADIOISOTOPES
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
58 GEOSCIENCES
580000* -- Geosciences
AGE ESTIMATION
ARGON 40
ARGON ISOTOPES
BASALT
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
CARBON 14
CARBON ISOTOPES
CENOZOIC ERA
DATA
DEVELOPED COUNTRIES
EVEN-EVEN NUCLEI
EVEN-ODD NUCLEI
EXPERIMENTAL DATA
GEOLOGIC AGES
HELIUM 3
HELIUM ISOTOPES
IGNEOUS ROCKS
INFORMATION
ISOTOPES
LAVA
LIGHT NUCLEI
MINERALS
NEW MEXICO
NORTH AMERICA
NUCLEI
NUMERICAL DATA
OLIVINE
QUATERNARY PERIOD
RADIOISOTOPES
ROCKS
SILICATE MINERALS
STABLE ISOTOPES
USA
VOLCANIC ROCKS
VOLCANOES
YEARS LIVING RADIOISOTOPES