Tsuiji Group in the Eastern Area of Shima Peninsula, Mie Prefecture

The Tsuiji group is situated in the southern part of the Chichibu terrain in Shima Peninsula, Mie Prefecture. The northern border of the group is in contact with the Imaura group (=Torinosu group) in fault. The southern border of the group is cut by the Butsuzo line and comes into contact with the Matoya group in the Shimanto terrain. It is composed mostly of sandstone and chert with mudstone, alternations of sandstone and mudstone, and schalstein. Several limestone lenses are intercalated in the schallstein. The general trend of the group is ENE-WSW and dips steeply (50°-70°) to the north. The following foraminifer fossils were discovered by the author from a limestone lens at the south-western part of the Aonomine-san, Shima Peninsula. Yabeina sp. indet. Reichelina sp. indet. Kahlerina sp. indet. Pachyphloia sp. indet. The first (Yabeina. sp. indet.) is abundantly contained in the limestone lens, being very similar to Yabeina globosa from the Upper Permian of Japan (Akasaka limestone, Gifu Pref.; Wakasugi group, Tokushima Pref.; Yonagu formation, Kumamoto Pref.; Kwanto-mountainland). From the above mentioned data, the present group is correlative with the Upper Permian (Yabeina zone). It may also be equivalent with a part of the Kokuzosan group in Shikoku, from the resemblance in rock facies and fossils as well as the tectonic position and structure