Keyphrases
Arizona
100%
Sandstone
100%
Isotopic Age
100%
Chinle Formation
100%
Petrified Forest
100%
Thermal Ionization Mass Spectrometry
75%
High-resolution
50%
Ion Microprobe
50%
Zircon
50%
Volcanic
50%
Ash Cloud
50%
Multiple Grains
50%
Statistical Analysis
25%
Nevada
25%
Cordilleran
25%
238U
25%
Central United States
25%
Explosive Eruptions
25%
Single Crystal
25%
Detrital Zircon
25%
Pluton
25%
206Pb
25%
Ash Beds
25%
Cordillera
25%
Analytical Error
25%
Early Mesozoic
25%
Central California
25%
Petrified Forest National Park
25%
Late Triassic
25%
Pebbles
25%
Triassic Plutons
25%
Maximum Age
25%
Deposition Environment
25%
Discordia
25%
Cobble
25%
Single Crystal Analysis
25%
Mass-sensitive
25%
Local Conditions
25%
Multi-grained
25%
Accurate Estimation
25%
Grain Analysis
25%
Caldera Eruption
25%
Late Archean
25%
Acicular
25%
Actual Age
25%
Detrital Zircon Grains
25%
Earth and Planetary Sciences
Arizona
100%
Zircon
100%
Thermal Ionisation Mass Spectrometry
75%
California
50%
Detritus
50%
Ion Microprobe
50%
Single Crystal
50%
Nevada
25%
United States
25%
National Parks
25%
Reworking
25%
Late Triassic
25%