alum shale meaning in Hindi

Examples

1. The Cambrian sedimentary rocks are sandstone and alum shale.
2. Above this there is then a thick slate which in turn covered by about of alum shale.
3. This holotype ( BMNH 14553 ) was from the Alum Shale Formation of Lower Toarcian in Whitby, Yorkshire, England.
4. Originally Ytong autoclaved aerated concrete in Sweden was produced with alum shale, whose combustible carbon content was beneficial in the production process.
5. Some building materials, for example lightweight concrete with alum shale, phosphogypsum and Italian tuff, may emanate radon if they contain radium and are porous to gas.
6. The area also contains alum shale, which expands when it comes into contact with air and water and can attack concrete, argillaceous schist, cracks with clay and water, and hard volcanic rocks.
7. The managing director of Aura Energy, Dr Bob Beeson, a professional geologist with over 35 years of experience in mineral exploration and development, explained the company's position in Sweden . " Aura's Motala Project covers approximately 140 square kilometres of the Alum Shale.
8. The bedding sequence begins with the crystalline bedrock of the Baltic Shield, followed by sandstone from the File Hajdar formation, uranium-rich alum shale, limestone, slate and a topmost layer of diabase, known locally as " trapp " ( see deccan traps ).