panclastic
/ˌpæŋklæstɪk/ PAN-klast-ik
Definitions
1. noun
Describing a type of sediment that is deposited uniformly over a large area, often as a result of a catastrophic event.
“The geologist studied the panclastic deposits left by the asteroid impact.”
2. adjective
Having the property of being panclastic; uniformly deposited over a large area.
“The panclastic rocks formed from the debris of a massive eruption.”