...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Mining Engineering >GROUND CALCIUM CARBONATE
【24h】

GROUND CALCIUM CARBONATE

机译：碳酸钙

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Calcium carbonate is one of the most abundant minerals on the earth's surface, comprising more than 4 percent of the earth's crust. It was predominantly formed by the long-term deposition of the skeletal remains of planktonlike creatures, mollusk shell or coral reef materials on the sea floor. Changes that occur over geological timeframes result in varying geological histories for these sedimentary materials that may be compressed, relocated, melted, folded and weathered to form the calcium carbonate materials accessible today as a family of limestone rocks. These limestone rock formations may be sedimentary (limestone or chalk, which is rare in North America) or metamorphic (dolomite and marble) all of which are mined and processed to produce a wide range of granular materials with sizes ranging from several centimeters down to less than a micron average diameter - a range of approximately five decades. The applications for these materials are as diverse as the size range and include monolithic products such as headstones, decorative landscape chips, agricultural lime, concrete, joint compounds, paints, plastics, papermaking, food additives and many more uses. As an industrial mineral it is unparalleled in how it is used.
机译：碳酸钙是地球表面上最丰富的矿物质之一，占地壳的4％以上。它主要是由浮游生物，软体动物壳或珊瑚礁材料的骨骼残留物长期沉积在海底形成的。在地质时间框架内发生的变化导致这些沉积材料的地质历史发生变化，这些沉积材料可能被压缩，重新定位，熔化，折叠和风化以形成碳酸钙材料，如今已成为石灰岩岩石家族。这些石灰岩岩层可能是沉积岩（石灰岩或白垩，在北美很少见）或变质岩（白云石和大理石），都经过开采和加工以生产范围从几厘米到小到几厘米的各种颗粒状材料。比微米平均直径大-大约五十年的范围。这些材料的用途因尺寸范围而异，包括整体产品，例如墓石，装饰性景观碎片，农业石灰，混凝土，接缝料，涂料，塑料，造纸，食品添加剂以及更多用途。作为工业矿物，其使用方法无与伦比。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号