한라산천연보호구역 소화산들의 화산활동 기록

• Published in: 자원환경지질 Vol. 54; no. 1; pp. 1 - 19
• Main Authors: 홍세선(Sei Sun Hong), 이춘오(Choon Oh Lee), 임재수(Jaesoo Lim), 이진영(Jin Young Lee), 안웅산(Ung San Ahn)
• Format: Journal Article
• Language: Korean
• Published: Korea Society Of Economic&Environmental Geology 28.02.2021; 대한자원환경지질학회
• Subjects: 지질학; 화산활동; Hallansan Natural Reserve; 한라산천연보호구역; 40Ar/39Ar 절대연대; 단성화산(오름); Jeju Island; 40Ar/39Ar age; 제주도; volcanism; small volcano(Oreum); {40}Ar/^{39}Ar
• ISSN: 1225-7281; 2288-7962

This study reports the Ar-Ar dating results for the volcanic rocks from small volcanoes(oreum) of the Hallasan Nature Reserve. According to the age of 40Ar/39Ar, the volcanic activity of the Hallasan Natural Reserve was started from about 192 ka ago. The basaltic trachyandesite and trachyte located...

Table of Contents:

• 1. 서 론 2. 연구방법 3. 주성분원소 분석 및 연대측정 결과 4. 토 의 5. 결 론 사 사 References