월성동 구석기 유적 출토 흑요석제 석기의 암석 및 광물학적 연구를 통한 원산지 추정 = Petrologic and Mineralogic Studies on the Origin of Paleolithic Obsidian Implements from Wolseongdong, Korea.

다국어 초록 (Multilingual Abstract)

Petrological, mineralogical, and geochemical analyses were carried on the paleolithic obsidian implementsexcavated at Wolseongdong, Daegu, Korea. The obsidians has a homogeneous glassy texture that can be observed in atypical obsidian formed from a rapid cooling of silicic magma. Major element composition of the obsidians representcalc-alkaline series. Comparing those with other obsidians from domestic local excavation sites, Mt. Baekdu, and Kyusuof Japan, the Wolseongdong obsidians show similar element distribution pattern with others in spite of small diference intrace and rare Earth element contents. Sr isotopes of the obsidians considerably differ from those of the obsidians fromMt. Baekdu (10 Ma). Therefore, considering the characteristics of obsidians found in the Korean Peninsula includingmineralogy, petrology, trace element, and isotopes chronology, the obsidians can be divided into four groups: Mt. Baekdu,southern part of Korea (Kyusu of Japan), midle part of Korea, and Wolseongdong region. These groups suggest apossibility of more than four different origins of the obsidians found in the Korean Peninsular.......... mineral, obsidian, stone implement, paleolithic, origin. . : .. ... .. ... ... ... .. , .. . ..... .... ..... .... ..

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