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中国香港大型酸性火山岩六方柱状节理构造景观及其地质成因意义
方世明1, 李江风1, 伍世良2, 郭 旭1
1.中国地质大学资源学院;2.香港中文大学地理与资源管理学系
摘要:
在简单介绍中国香港地质概况的基础上, 对发育在香港境内酸性火山岩中的大型六方柱状节理构造景观进行了介绍, 并对其形成的地质基础和过程进行了探讨。对世界上著名的十多个柱状节理构造景观进行对比后指出, 香港酸性火山凝灰岩大型六方柱状节理景观是世界上同类岩石中罕见的地质现象, 分布面积大, 露头完整, 具有稀缺性、独特性和典型性, 对西太平洋中生代火山岩发育历史有重要的科学价值。
关键词:  酸性火山岩  六方柱状节理  香港
DOI：
分类号:
基金项目:国家自然科学基金面上项目(40772196)
Large six-party columnar joints of acidic volcanic rocks and its geological causes and significance in Hong Kong China
Abstract:
In this paper, the author described the large six-party columnar joints structural landscapes in HongKong China, which is developed in the acidic volcanic rocks, an discussed its geological formation. In addition, through comparing more than 10 columnar joints landscape structures worldwide, the author pointed out that the large six-party columnar joints structural landscape of acidic volcanic tuff rocks is a rare geological phenomenon of the same kind rocks in the word, characteristic of large distribution area and complete outcrops, which has important scientific value to the developmental history of the Western Pacific Mesozoic volcanic rocks.
Key words:  acidic volcanic rocks  the six-party columnar joints  Hong Kong
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