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竹叶状灰岩

2019-03-18 | 浏览次数:7150次 | 字体【 关闭
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产地:内蒙古清水河县城南脑包山
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产品描述

名  称:竹叶状灰岩Wormkalk

岩性特征:一种典型的砾屑灰岩。砾石大小不等,一般长几厘米至十几厘米,成分单一,多为泥晶方解石。填隙物为微晶方解石,局部有白云石化现象。砾石边缘常见一层黄或紫红色的氧化铁质圈。平面观之由圆形、椭圆形扁平砾石组成;在垂直切面上,砾石的形状似“竹叶”而得名。

层  位:中寒武统张夏组

主要用途:饰面石材及雕件材料

采集地点:内蒙古清水河县城南脑包山


Name:Wormkalk

Lithology:A type of calcirudite, the debris consist vary in size from centimeters to more than ten centimeters, mostly argillite calcite. The debris are infilled with crystalline calcite, locally dolomitized. The debris are often surrounded with yellowish-purple oxidization rings, giving rise to the “bamboo leaf-like” morphology along vertical sections, therefore the name wormkalk.

Stratigraphy:Mid-Cambrian zhangxia Formation

Uasage:Dimension stone and sculpture.

Sample site:Nannaobao Mt., Qingshuihe, Inner Mongolia.