Definition of siliciclastic in English:

siliciclastic

adjective

Geology
  • Relating to or denoting clastic rocks consisting largely of silica or silicates.

    • ‘The lower parts of the two successions consist of very thick, compositionally immature, dominantly shallow marine siliciclastic sediments.’
    • ‘Previous studies of coal sequence stratigraphy have concentrated on coals associated with siliciclastic depositional systems.’
    • ‘Our data show, in contrast, that these siliciclastic strata were deposited in two chronologically distinct basins.’
    • ‘Successions in the more intact Permian units are depositionally underlain by siliciclastic sedimentary rocks.’
    • ‘The massif comprises low-grade, mainly fine-grained, siliciclastic deposits, ranging from the lowermost Cambrian to the upper Silurian in age.’

Pronunciation:

siliciclastic

/siˌlisəˈklastik/