bathyal

How To Use bathyal In A Sentence

• Bathyal is defined as pertaining to the ocean bottom between the sublittoral and abyssal zones - from depths of approximately 200 to 400 m.
• Wherever the Valle Group is exposed, it has been interpreted as a clastic, marine, sedimentary sequence that includes turbidite, submarine-fan complexes deposited in water depths ranging from outer neritic to bathyal.
• Bathyal is defined as pertaining to the ocean bottom between the sublittoral and abyssal zones - from depths of approximately 200 to 400 m.
• Historically they have radiated (divided into new species) in bathyal habitats (bottom-dwelling on the continental slope between 200 and 2000 m in depth) and cool-water coastal areas.
• During the depositional period of this sequence, there were three paleocontinents, two straits and a bathyal slope in the southeast part of the Tarim basin.
• The thickness of the shallow marine formations is up to 150 m, and the bathyal flysch is up to 4 km thick.
• In contrast, the many shale layers seem to be poor in macrofossils largely because they were deposited at depth below the photic zone (upper bathyal depth) as indicated by benthic foraminifera.
• After a short erosion interval, rapid subsidence started to produce contemporaneous neritic limestone and shallow bathyal marl again.
• It occurs in mudstones that were deposited at outer shelf or bathyal depths and in flysch facies that were deposited at bathyal depths or greater.
• Their depositional environment varies from outer neritic to upper or middle bathyal.