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朝阳市喀喇沁左翼蒙古族自治县的朝阳洞(俗称“双洞子”),距县首府大城子镇东约22公里,行政区划隶属尤杖子乡后钢沟村(图1)。这里属喀斯特地貌不显,群峰叠嶂,松柏苍翠。洞之右侧不远,随山势巧置一玄青庙宇——天台寺。现已开辟为“朝阳洞风景区”。一、调查情况该洞穴即位于一主峰(海拔约865米)下,洞口南向,近洞口处顶棚早已崩坍。主洞最宽约9米,深约5米。洞口前即致陡崖坡面(图2)。1990年l0月,风景区管理部门为整治环境,遂将山洞内原堆积夷尽抛掷崖下。依据洞壁所残留的痕迹可知,仅主洞原有堆积,最厚1.6米,能分上、下二层。上层厚
The Chaoyang Cave (commonly known as “Shuangdongzi”) in the left-wing Mongolian Autonomous County of Chaoyang City is about 22 km east of the town of Dacijizi, the capital of the county. The administrative division belongs to Hougogou Village (Figure 1). Here is a karst landform is not significant, peaks overlap, pine green. Not far from the right side of the cave, with the mountain cleverly built a mysterious temple - Tiantai Temple. Has been opened up as “Chaoyang Dong Scenic Area ”. First, the investigation The cave is located in a main peak (about 865 meters above sea level), the hole south, near the hole at the roof collapsed. The main cave is about 9 meters wide and about 5 meters deep. Cave before causing steep slope (Figure 2). In 1990 l0 months, the scenic area management for the remediation of the environment, then the original accumulation of the cave thrown Cliff. According to traces of the remaining walls of the cave we can see that only the main cave is the original accumulation, the maximum thickness of 1.6 meters, can be divided into two layers. Thick upper