delta a deposits的意思|示意

Di Achille said the shoreline evidence was found along a broad delta and included a series of alternating ridges and troughs thought to be surviving remnants of beach deposits.

盖迪阿希尔说，是沿着一个大的三角洲和发现的海岸线证据，包括海滩积累的残留下来的一系列的交替脊和浪谷。

Yanchang formation of the Upper Triassic in the Ordos basin have a wide distribution of alluvial fan, fluvial, lacustrine, fan delta, braided delta and meander delta deposits.

鄂尔多斯盆地上三叠统延长组广泛发育冲积扇、河流、湖泊、扇三角洲、辫状河三角洲和曲流河三角洲沉积。