RM025 Hornfels(Banded)

Class: 5E
Name: KEUNG MAN HIM
Year: 2017 – 2018

 

地質年代:(化石) (岩石)

化學組成, 鍵及結構:粘土岩、粉砂岩、火成岩、灰岩各種火山碎屑岩

Geological Age: (Fossil) (Rock)

Chemical composition, bonding and structure: Clay rocks, siltstones, igneous rocks, limestone all kinds of pyroclastics

形成:由中高溫熱接觸變質作用形成

原生物:(化石)

Formation:Formed by high-temperature thermal contact metamorphism

Living Specimens: (Fossil)

特性:岩石外表一般為深色,有時為淺色,緻密堅硬

 

Properties:The appearance of rocks is generally dark, sometimes light, dense and hard
用途:它被用作道路基礎和混凝土。 它可以在園林中作為裝飾性的岩石在園林中使用

 

Application: It is used as a road base and concrete. It can be used as a decorative rock in gardens in gardens

 

分佈:主要分佈於新界北部,在吐露港和大嶼山西部分佈有零星樣本 Distribution: Mainly distributed in the northern part of the New Territories. There are sporadic samples in Tolo Harbour and West Lantau