clast


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clast

 (klăst)
n.
A rock fragment or grain resulting from the breakdown of larger rocks.
[From Greek klastos, broken, from klān, to break.]

clast

(klæst)
n
(Minerals) a fragment of (sedimentary) rock broken off from a larger rock

clast

(klæst)

n.
a fragment of a clastic rock formation.
[1950–55; probably back formation from clastic]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.clast - (geology) a constituent fragment of a clastic rock
geology - a science that deals with the history of the earth as recorded in rocks
clastic rock - (geology) a rock composed of broken pieces of older rocks
fragment - a piece broken off or cut off of something else; "a fragment of rock"
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References in periodicals archive ?
Bulk samples collected from the profile were sieved into five size fractions (<2, 2-4, 4 8, 8 16, and >16mm) to separate rock clasts and Fe nodules of different sizes from the fine earth fraction.
Iron nodules in ferric soils of the Fraser Coast, Australia: relicts of laterisation or features of contemporary weathering and pedogenesis?
In some sedimentary breccias, termed 'granite conglomerate', they are the dominant clast type.
Great Mining Camps of Canada 3. the history and geology of the Buchans Mine, Newfoundland and Labrador
It is noteworthy that CLAST members will save money in adopting hands-on, inquiry-driven science kit curricula.
Science project
The presence of extraformational clast within the Enugu Shale indicates that there was fluvial influence during the period of deposition of Enugu Shale within the Anambra Basin (Tucker, 1996).
Geology and depositional environment of Campano-Maastrichtian sediments in the Anambra Basin, southeastern Nigeria: evidence from field relationship and sedimentological study
The lawsuit led the system in the mid-1990s to introduce two alternatives to the CLAST.
Testing: some colleges have recently embraced standardized tests, while others still reject them. As the story continues, will the tests be coming to a community college near you?
The high clast content, poor sorting, numerous angular clasts, and absence of bedding (Fig.
Clastic dikes in Middle Devonian sandstones of the Gauja Formation, southeastern Estonia/Settesooned Kesk-Devoni Gauja kihistu liivakivides Kagu-Eestis
According to Hallet, large rocks, or clasts, commonly freeze up through the soil.
Halos of stone
visible to the naked eye) the cement is highly visible in the coarse matrix as an up to 1 mm crust thick around the clast surface.
Carbonate cementation in the late glacial outwash and beach deposits in northern Estonia/Sekundaarne karbonaatne tsementatsioon hilisglatsiaalsetes glatsifluviaalsetes ja rannikusetetes Pohja-Eestis
Grain size (mm), classification, sorting, and dominant clast of sediment samples collected it Bahia Almejas during August 1999.
A review of the physical and biological characteristics of the Bahia Magdalena Lagoon Complex (Baja California Sur, Mexico)
A terminal grade is the smallest grain size to which an entrained clast may be reduced by crushing and abrasion under a glacier.
Textural and mineralogical characteristics of tills of northeastern and north-central Ohio (1)
Thickness, lithic content and clast angularity decrease from Alto Los Volcanes and El Mirador relieves towards N, E and S directions.
The Paipa volcano, Eastern Cordillera of Colombia, South America: volcanic stratigraphy
The WGD and Palivere Till have a lower clast content from local carbonaceous bedrock and significantly higher amounts of crystalline fabrics than the older Pandivere Till (Table 1).
Waterlain glacial diamicton along the Palivere ice-marginal zone on the West Estonian Archipelago, eastern Baltic Sea/Basseinimoreen Palivere staadiumi servamoodustiste Voondis Laane-Eesti Saarestikus/[TEXT NOT REPRODUCIBLE IN ASCII]

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