Location Sample Detail Major Data? NO Trace Data? YES Isotope Data? YES |
Age: 28 Min Age: 27.2 Max Age: 28.8 Geological Age: OLIGOCENE Age Method: K-AR Material: IGNEOUS Type: VOLCANIC Composition: MAFIC Rock Name: NEPHELINITE |
Reference | Technique | Material | K |
1979-023073 | UNKNOWN | WHOLE ROCK | 2.86 |
K
|
|
SAMPLE VALUE | 2.86 |
PPM | |
REF STANDARD | 240 |
PPM |