Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun geology A form of
radiometric dating used to estimate the time since a rocksolidified
Etymologies
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Examples
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U-Pb zircon SHRIMP dating, and muscovite, biotite and K-feldspar 40Ar/39Ar thermochronology indicate that sinistral shear along the Xingxingxia shear zone initiated at about 240-235 million years ago, broadly at the same time as initial formation of the Altyn Tagh fault zone, but later than initiation of dextral strike-slip motion along the ~east-west-trending eastern Tianshan orogenic belt at about 270-245 million years ago.
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U-Pb zircon SHRIMP dating, and muscovite, biotite and K-feldspar 40Ar/39Ar thermochronology indicate that sinistral shear along the Xingxingxia shear zone initiated at about 240-235 million years ago, broadly at the same time as initial formation of the Altyn Tagh fault zone, but later than initiation of dextral strike-slip motion along the ~east-west-trending eastern Tianshan orogenic belt at about 270-245 million years ago.
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Many leading scientists in the noble gas thermochronology field use more complex diffusion models that take this effect into account.
Reasons to Believe - dcarree 2009
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This type of model has been used by several leading scientists in the noble gas thermochronology field (see for example:
Reasons to Believe - 2009
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