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Taiwan 2 (Fission Track (Apatite (Unreset (Where? Wmost Taiwan, less…

- - - - Where? Wmost Taiwan
      - less unreset area than Zr
  - - - means material experienced temps > 220°C in last few Ma
      - ∴ was at great Z, now at surface
    - - V old (tens Ma)
      - Where ? Wmost areas & Henchuang peninsula
  - - - ∴ must be exhumed from greater z to show reset age @ surface
    - - reset particles come from shallower, colder Z ∴ exhumed earlier
  - - - unaffected by recent exhumation
- - - - Used to calculate exhumation rate