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Journal of Geography (Chigaku Zasshi), 2021 Vol.130 No.5

2021 Vol.130 No.5

The Tetori Group Exposed at Yunotani, Upstream on the Tedori River in Southwestern Mt. Hakusan

The Tetori Group is the thickest succession of Mesozoic terrestrial strata in Japan. The middle to upper parts of the Tetori Group crop out at the south side of Mt. Hakusan. The lateral variation of facies in formations of the Tetori Group led to complex naming, which has now been rationalized to reflect a coherent understanding of the Tetori Group architecture. The photograph shows the Kuwajima Formation, taken from the southeast, where it consists of northwest dipping, alternating beds of sandstone and mudstone, overlain by the sandstone of the Amagodani Formation. These strata dip along the ridge to lower elevations than at this location, where sandstone of the Otaniyama Formation, which underlies the Kuwajima Formation, is exposed. This sequence can be traced to the type section of the Tetori Group in the Shokawa area. The location of this photograph is Yunotani, located upstream on the Tedori River, Shiramine District.




(Photograph: Kazuto KOARAI, Photographed on July 22, 2004;
Explanation: Masaki MATSUKAWA)



Original Articles

K‒Ar Geochronology of the Andesite Lavas of the Lower Pleistocene Enrei Formation
 on the Southwestern Slope of the Suwa Basin, Central Japan

Ken-ichi KANO, Akira MIYASAKA,
Genjyu YAMAMOTO and Kenji KUSUNOKI

Journal of Geography (Chigaku Zasshi), 2021, 130(5), 615.

DOI:10.5026/jgeography.130.615

Liquefaction Distribution in the Central Part of Fukui City
 during the 1948 Fukui Earthquake:
 Comparison of Micro-topographic Classification Map and Liquefaction Hazard Map

Haruka TANI and Masanobu SHISHIKURA

Journal of Geography (Chigaku Zasshi), 2021, 130(5), 633.

DOI:10.5026/jgeography.130.633

Sedimentary Environments and Basin Development of the Middle Jurassic‒Early
 Cretaceous Tetori Group in Its Main Area, Central Japan

Masaki MATSUKAWA

Journal of Geography (Chigaku Zasshi), 2021, 130(5), 653.

DOI:10.5026/jgeography.130.653

The Formation of Late Pleistocene and Holocene Sand Dunes
 on Kikaijima Island, Nansei Islands

Hiroshi MORIWAKI, Toshiro NAGASAKO, Takehiko SUZUKI,
Satoshi TERAYAMA, Jun MATSUKAZE and Ryuhei ODA

Journal of Geography (Chigaku Zasshi), 2021, 130(5), 683.

DOI:10.5026/jgeography.130.683

New Constraints on the Distributary Pattern of Clastics in Fore-arc and Tectonics
 in Paleogene SW Japan: U‒Pb Ages of Detrital Zircons of the Domeki Formation
 in the Shimanto Belt, Western Shikoku

Tomohito NAKANO, Yukio ISOZAKI and Yukiyasu TSUTSUMI

Journal of Geography (Chigaku Zasshi), 2021, 130(5), 707.

DOI:10.5026/jgeography.130.707

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