Keywords

Keyword Definition

Clastic sediment consisting of less than 30 percent gravel-size (2 mm) particles and with a mud-size to sand-size particle ratio greater than 1. More than half of the particles are of epiclastic origin.

definition of mud from SLTTs 2004 muddy sediment; 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: Clastic sediment (57); Mud size sediment (171)

Children: Clay (60); Silt (240)

[Description taken from GeoSciML SimpleLithology201012.rdf]



Hierarchical classification

Compound material >> Unconsolidated >> Natural unconsolidated >> Sediment >> Clastic >> Mud

Children

Clay | Silt


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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