Geochronology/Potassium–argon dating
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The method most commonly used to date the primary standard is the potassium-argon dating technique.[1]
Hypotheses[edit | edit source]
- Each time frame or span of time in geochronology has at least one dating technique.
- Late Jurassic is a time frame and Upper Jurassic is a stratigraphic frame so both are different time frames.
- The overall size of—or efficiency of carbon export from—the biosphere decreased at the end of the Great Oxidation Event (GOE) (ca. 2,400 to 2,050 Ma).
See also[edit | edit source]
- Argon–argon dating
- Cathodoluminescence
- Cenozoic
- Chemostratigraphy
- Cosmogenic radionuclide dating
- Dates
- Dendrochronology
- Dye 3
- Electron spin resonance
- Fission track dating
- Geomagnetic Polarity Time Scale
- Ice cores
- Black ice
- Brittle ice
- Clear ice
- Firns
- Sea ice
- Lichenometry
- Magnetostratigraphy
- Marker horizons
- Mesozoic
- Optically stimulated luminescence
- Paleomagnetic dating
- Paleontology
- Paleozoic
- Palynology
- Potassium–argon dating
- Radiocarbon dating
- Stratigraphy
- Tephrochronology
- Thermoluminescence
- Uranium–lead dating
- Uranium-thorium dating
- Varves
References[edit | edit source]
- ↑ "New Mexico Geochronology Research Laboratory: K/Ar and 40Ar/39Ar Methods". New Mexico Bureau of Geology and Mineral Resources.