Denudation history of the Kiso Range, central Japan, and its tectonic implications: Constraints from low-temperature thermochronology

Fission‐track (FT) and (U–Th–Sm)/He (He) analyses are used to constrain the denudation pattern and history of the Kiso Range, a Japanese fault‐block mountain range which has been uplifted since ca 0.8 Ma. We obtained nine zircon FT ages ranging 59.3–42.1 Ma, 18 apatite FT ages ranging 81.9–2.3 Ma, a...

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Bibliographic Details
Published in:The island arc 2012-03, Vol.21 (1), p.32-52
Main Authors: SUEOKA, SHIGERU, KOHN, BARRY P., TAGAMI, TAKAHIRO, TSUTSUMI, HIROYUKI, HASEBE, NORIKO, TAMURA, AKIHIRO, ARAI, SHOJI
Format: Article
Language:English
Subjects:
apatite
denudation
fault-block mountain
fission-track thermochronology (U-Th-Sm)/He thermochronometry
Kiso Range
LA-ICP-MS
peneplanation
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Summary:Fission‐track (FT) and (U–Th–Sm)/He (He) analyses are used to constrain the denudation pattern and history of the Kiso Range, a Japanese fault‐block mountain range which has been uplifted since ca 0.8 Ma. We obtained nine zircon FT ages ranging 59.3–42.1 Ma, 18 apatite FT ages ranging 81.9–2.3 Ma, and 13 apatite He ages ranging 36.7–2.2 Ma. The apatite FT and He ages are divided into an older group comparable to the zircon FT age range and a younger group of
ISSN:1038-4871
1440-1738
DOI:10.1111/j.1440-1738.2011.00789.x