fluviomarine

flu·vi·o·ma·rine

 (flo͞o′vē-ō-mə-rēn′)
adj.
Relating to or being deposits, especially near the mouth of a river, formed by the combined action of river and sea.

[Latin fluvius, river; see fluvial + marine.]

fluviomarine

(ˌfluːvɪˌəʊməˈriːn)
adj
1. (Geological Science) (of deposits) formed by joint action of the sea and a river or stream
2. (Zoology) (esp of fish) able to live in both rivers and the sea
[C19: fluvio-, from Latin fluvius river + marine]
References in periodicals archive ?
2009) are used to refer to coastal ecosystems on the periphery of fluviomarine plains in arid and semi-arid estuaries.
These are the Akata Formation, which is predominantly shale and clay; the Agbada Formation which is generally fluviatile and fluviomarine, and the Benin Formation, constituting a continental deposit of sand and gravel (Murat, 1971).
Geologically, the study area comprises of alluvium, sandy clay, silt and fluviomarine sediments.