interbedded


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interbedded

[¦in·tər¦bed·əd]
(geology)
Having beds lying between other beds with different characteristics.
References in periodicals archive ?
This cliff is underlain and overlain by pack-grainstone packages and these packages are interbedded with wackepackstones.
5 m is composed of interbedded, laminated grey mudrocks and blocky greenish-grey mudrocks, both of which appear to have been overprinted by pedogenic processes.
It comprises bioclastic packstone/grainstone deposited as distal to proximal mid-ramp carbonate tempestites, interbedded with fairweather calcareous shale (Facies 6).
The lithological variations in the Nammal Formation divided it into four well defined unitsas follows; i) Alternate marl and limestone ii) Well-bedded limestone with chert nodules iii) Limestone interbedded with shale iv) Dolomitic limestone.
The main rock assemblage in this segment is dark-black silty shale, oil shale interbedded with dark-gray argillaceous siltstone, dolomitic sandstone and dolostone.
In the Site 999 well, it consists of calcareous clayey limestone (chalk) with interbedded foraminifera and nannofossils and abundant layers of volcanic ash.
The samples from the borings were grouped into different lithofacies based on grain size and include: interbedded sand, silt, and clay; interbedded silt and clay; silt; sand; sand and gravel; and diamict.
Fluvio-tidal channel facies successions consist of multi-storey stacks of Fluvial-Dominated, Tide-Influenced and Tide-Dominated Channel Facies Associations interbedded with minor Bay and Mangrove Facies Associations.
The Braemar Iron Formation consists of a series of alternating bedded, tillitic, and interbedded magnetite units that represent cycles of glacial advances and retreats.
The upper part (20m) consists of argillaceous fossiliferous limestone interbedded with calcareous shale layers, making a transition to the overlying Ghazij shales.
Samples from the lower interbedded sequence of limestone and shale were diverse (between 22 to 26 species of 24 genera) and showed high dominance (50-85%) of the genus Sansahella.