graded bedding
graded bedding Sedimentary structure in which there is an upward gradation from coarser to finer material, caused by the deposition of a heterogeneous suspension of particles. The feature may be used to establish the ‘way up’ or natural succession of strata.
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material , ma·te·ri·al / məˈti(ə)rēəl/ • n. 1. the matter from which a thing is or can be made: goats can eat more or less any plant material | materials such a… Structure , structure, social structure A term loosely applied to any recurring pattern of social behaviour; or, more specifically, to the ordered interrelations… Causality , In a general sense causality designates anything that has the character of a cause; more specifically it describes the relationship between cause and… Materialism , Materialism is a term with both metaphysical and social meanings. As a metaphysical position materialism regards matter (Latin materia) as the primar… Periderm , periderm The thin, sheet-like material that makes up the skeleton in graptolites (Graptolithina). Long thought to be chitin, it is now considered per… Columella , columella
1. In corals, a rod-like structure formed from the swollen axial end of the counter-septum that may occur as a central structure within the…
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graded bedding