The primary coastline of the port was bedrock embayment and composed of mesozoic granite .

三亚港原始岸线为基岩港湾海岸，由中生代花岗岩构成。

A coastal embayment at the w side of william scoresby archipelago , 5 mi long and 3.5 mi wide , with shores marked by steep rock headlands and snow-free hills rising to 210 meters .

威廉.斯科斯比群岛西侧的滨岸海湾，长5海里，宽3.5海里，海滨是陡峭的岩石陆岬及高210米、无雪的丘陵。

The abrupt change from valley floor to mountain , lack of embayment of the mountain front , and the wineglass canyon , all point to recent activity on this fault zone .

从谷底到山坡的突变、山前河湾的缺乏、以及酒杯形峡谷，都指证了这个断裂带近期的活动性。