Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
radiometric dating method
|
| gptkbp:accuracy |
high
|
| gptkbp:affects |
metamorphism
lead loss |
| gptkbp:appliesTo |
monazite
baddeleyite zircon crystals |
| gptkbp:developedBy |
early 20th century
|
| https://www.w3.org/2000/01/rdf-schema#label |
U-Pb dating
|
| gptkbp:importantFor |
dating meteorites
dating Earth's oldest rocks |
| gptkbp:measures |
decay of uranium-235 to lead-207
decay of uranium-238 to lead-206 |
| gptkbp:provides |
absolute ages
|
| gptkbp:relatedTo |
concordia diagram
discordia line |
| gptkbp:requires |
mass spectrometry
|
| gptkbp:usedFor |
gptkb:geochronology
dating geological materials |
| gptkbp:uses |
lead isotopes
uranium isotopes |
| gptkbp:bfsParent |
gptkb:mineral_zircon
|
| gptkbp:bfsLayer |
8
|