- 行业: Mining
 
- Number of terms: 33118
 
- Number of blossaries: 0
 
- Company Profile:
                        
 
  
                                                        The U.S. Bureau of Mines (USBM) was the primary United States Government agency conducting scientific research and disseminating information on the extraction, processing, use, and conservation of mineral resources.
Founded on May 16, 1910, through the Organic Act (Public Law 179), USBM's missions ...                             
                                                     
                        Eng. Shelly pink limestone in the Corbula Beds of the Purbeck Beds at Durlston Bay. So called because it is full of the small gastropods Pachychilus manselli that resemble eyes when seen in transverse section. Compare: rabbit-eye    
    
    						Industry:Mining    
									Eng. Small refuse stones used for the inside of walls; Northamptonshire and Worcestershire.    
    
    						Industry:Mining    
									Eng. Soft, black, bituminous shale with a white efflorescence on exposure. A hard calcareous band near the base, Middle Purbeck Beds, Swanage.    
    
    						Industry:Mining    
									Eng. Soft, loamy clay suitable for brickmaking, as opposed to stiffer clay below, which is suitable for making tiles and drainpipes. Kimeridge clay, Brill, Buckinghamshire.    
    
    						Industry:Mining    
									Eng. Stone of suitable thickness for shaping into a tile stone without frosting; occurs in Stonesfield slate series and Chipping Norton limestone of the Cotswolds.    
    
    						Industry:Mining    
									Eng. Surface-weathered ironstone or oolite; rottenstone; in Northamptonshire, Rutland, and Lincolnshire. Also spelled keale.    
    
    						Industry:Mining    
									Eng. That stroke of a Cornish pump that lifts the water at the bottom or drawing lift.    
    
    						Industry:Mining