title: Main Quarry, Mountsorrel
text: # Main Quarry, Mountsorrel
  
  Main Quarry or Castle Hill Quarry is a 14.7 hectares (36 acres) geological Site of Special Scientific Interest in Mountsorrel in Leicestershire. It is a Geological Conservation Review site.
  
  According to Natural England, this site "is probably the most dramatic and well-developed occurrence of asphaltite in Britain upon which international research into the origin of life on Earth has been carried out."
  
  The site is private land with no public access.
  
  