third terrace

The second stage terrace is mainly made of the alluvium of late Q_2, some alluvium may be continued to early Q_3. The third stage terrace is mostly made of the alluvium of Q_2 at middle phase.

第二级阶地主要由Q2末期的冲积物组成，少量可延续到Q3初期；第三级阶地多由Q2中期的冲积物组成；

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At the end of Middle Pleistocene, the third terrace was formed;

中更新世末，该区发生隆升，形成第三级阶地；

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Chengdu clay is a fissure clay distributing mainly over the third terrace of the Chengdu plain.

成都粘土广泛分布于成都平原三级阶地上，裂隙极为发育。

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The dunes in the south part, about 500 m above the sea level and around 150 m above the water surface, are on the third terrace of the Yellow River.

南部沙丘海拔高度近500m，高出现代黄河水面150m，覆盖于黄河第三级阶地之上。

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But some studies show that it extends into the mountain land, shrinks to the shape of trumpet to link up with the third terrace in the river valley.

但不少研究资料表明，它向山地内部延伸，逐渐以喇叭口状收缩与河流谷地内的第三级阶地面相连。

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