Keywords

Gravel size (sediment)



Keyword Definition

Sediment containing greater than 30 percent gravel-size particles (greater than 2.0 mm diameter). Composition or gensis of clasts not specified.

SLTTs 2004; particle sizes defined from Krumbein phi scale (W C Krumbein & L L Sloss, Stratigraphy and Sedimentation, 2nd edition, Freeman, San Francisco, 1963; Krumbein and Pettijohn, 1938, Manual of Sedimentary Petrography: New York, Appleton Century Co., Inc.)

Parents: Sediment (232)

Children: Boulders (33); Cobbles (63); Gravel (130); Pebble gravel size sediment (186)

[Description taken from GeoSciML SimpleLithology201012.rdf]



Hierarchical classification

Compound material >> Unconsolidated >> Natural unconsolidated >> Sediment >> Gravel size

Children

Boulders | Cobbles | Pebble


Category: Analysed material

The different kinds of sample material collected in the field have been classified hierarchically. Examples: “till”, “soil”, “vegetation”. Taken from the “Sample_Types_SHARED” database table.


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