{"version":"1.0","type":"link","title":"Core sample - Newikis","description":"A core sample is a cylindrical section of (usually) a naturally occurring substance. Most core samples are obtained by drilling with special drills into the substance, such as sediment or rock, with a hollow steel tube, called a core drill. The hole made for the core sample is called the \"core…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://thumb.wikimedia.org/wikipedia/commons/thumb/3/3a/Diamond_Core.jpeg/1280px-Diamond_Core.jpeg","thumbnail_width":1280,"thumbnail_height":960}