淮南煤田二叠系是以三角洲—滨岸平原相为主的沉积。
The Permian in Huainan coalfield is a set of deltaic coastal deposition.
沉积环境类型可概括为浅海盆地、滨岸潮坪、近岸河湖环境。
These subfacies are considered to represent respectively the neritic basin, the littoral tidal flat and the nearshore fluviolacustrine sedimentary environments.
滨岸坝、湖滩砂仍属湖泊三角洲沉积，它丰富了湖成三角洲沉积相类型。
The shoreland bar and beach sand are classified into lacustrine delta deposition and they can be added to the types of lacustrine delta sedimentary facies.
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