- 著者
-
片岡 香子
中条 武司
- 出版者
- 日本地質学会
- 雑誌
- 地質学雑誌 = 地質学雑誌 (ISSN:00167630)
- 巻号頁・発行日
- vol.106, no.12, pp.897-900, 2000-12
Hyperconcentrated flow deposit, in the Ebisutoge-Fukuda tephra from Mie Prefecture, is thought to be deposited from dilution of the debris flow. Debris-flow deposit (facies A) is overlain by hyperconcentrated flow deposit (facies B). Typical hyperconcentrated flow deposit (facies B1;horizontal bedding Part) changes upward into diluted hyperconcentrated flow deposit (facies B2; scour and fill structure part). These facies characteristics indicate that the debris flow changed through hyperconcentrated flow into normal streamflow by dilution during flow traveling.