Block field

Japanese: block field(英語表記)blockfield
Block field


[Surface morphology]
The rock blocks created by freeze-fracturing develop a variety of block landforms. On gentle slopes, the rock blocks cannot move and cover the ground surface, forming a block field. On slopes, various types of landforms develop, including sliding blocks, where individual rock blocks slide slowly, debris slopes, where a large amount of debris creeps as a whole and covers the slope, blockstreams, which are flows of rock blocks that accumulate in depressions and flow down, and rock glaciers with ice bodies inside.

*Some of the terminology that mentions "block field" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:


[地表形態]
 凍結破砕作用によって生じた岩塊は,さまざまな岩塊地形を発達させる。緩斜面では岩塊が移動できず,地表をおおって岩石原block fieldをつくる。斜面では個々の岩塊がゆっくり滑る滑動岩塊,多量の岩屑が全体としてクリープし斜面をおおう岩屑斜面,凹所に集積しながら流下する岩塊流blockstream,中に氷体をもつ岩石氷河などが発達する。…

※「block field」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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