primary sedimentary structure

primary sedimentary structure

[′prī‚mer·ē ‚sed·ə′men·trē ‚strək·chər]
(geology)
A sedimentary structure produced during deposition, such as ripple marks and graded bedding.
References in periodicals archive ?
Some detailed stratigraphic sections of the main lithostratigraphic units have been studied together with the data provided by primary sedimentary structures, enabling us to interpret their sedimentology.
By contrast, the sandstones which display many primary sedimentary structures (megaripples, bars and sub aquatic dunes) accumulated in a non-confined hydraulic setting in a relatively shallow coastal environment (Fig.