Concept
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- Preferred Labelskos:prefLabel
epiclast
- URI
- http://resource.geosciml.org/classifier/cgi/particletype/epiclast ↗Go to the persistent identifier link
- Within Vocab
- Particle Type
| Preferred Labelskos:prefLabel | epiclast |
|---|---|
| Definitionskos:definition | An individual constituent, grain or fragment of a sediment or rock, produced by erosion of a larger rock mass. Particle whose origin as a fragment is a result of surface (sedimentary, weathering...) processes. 'Crystals, crystal fragments, glass and rock fragments that have been liberated from any type of pre-existing consolidated rock (volcanic or non-volcanic) by weathering or erosion and transported from the site of origin by gravity, air, water, or ice' [Schmid, 1981]. Distinguished from intraclast in that epiclast is derived from a pre-existing rock from outside the basin of deposition (NADM SLTTs 2004) before introduction into a CompoundMaterial (sense of NADMC1, 2004). |
| Narrowernarrower |
lithic clast
mineral clast |
| Broaderbroader |
granular particle
|
| See AlsoseeAlso | Particle Type |
| Is Defined ByisDefinedBy | Particle Type |