noun
detritus; clastic material
Geological term for loose fragments of rock, minerals, or organic material produced by weathering and erosion.
河川によって運ばれた砕屑物が堆積して扇状地を形成する。
Detritus carried by rivers accumulates to form an alluvial fan.
この地層には火山由来の砕屑物が多く含まれている。
This stratum contains a large amount of volcanic clastic material.
Compound of 砕 (さい, 'break, crush'), 屑 (せつ, 'fragment, scrap'), and 物 (ぶつ, 'thing, material'). The reading せつ for 屑 is a less common Sino-Japanese reading used in technical compounds.