recovered core

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• Core recovery parameters — describe the quality of core recovered from a borehole. Contents 1 Total core recovery 2 Solid core recovery 3 Rock quality designation 3.1 Classificat …   Wikipedia

• Core drill — Truck mounted core drill A core drill is a drill specifically designed to remove a cylinder of material, much like a hole saw. The material left inside the drill bit is referred to as the core. Core drills are used for many applications, either… …   Wikipedia

• Ice core — An ice core is a core sample from the accumulation of snow and ice over many years that have re crystallized and have trapped air bubbles from previous time periods. The composition of these ice cores, especially the presence of hydrogen and… …   Wikipedia

• ice core — ▪ geology Introduction       long cylinder of glacial ice recovered by drilling through glaciers in Greenland, Antarctica, and high mountains around the world. Scientists retrieve these cores to look for records of climate change over the last… …   Universalium

• North Greenland Ice Core Project — Delta O 18 record from the NGRIP core The drilling site of the North Greenland Ice Core Project (NGRIP or NorthGRIP) is near the center of Greenland (75.1 N, 42.32 W, 2917 m, ice thickness 3085). Drilling began in 1999 and was completed at… …   Wikipedia

• Prepared-core technique — The prepared core technique is means of producing stone tools by first preparing common stone cores that can then be shaped into the desired implement.History of prepared core processingFirst evidenceAlthough there had been different types of… …   Wikipedia

• Deep Sea Drilling Program — Glomar Challenger The Deep Sea Drilling Project (DSDP) was an ocean drilling project operated from 1968 to 1983. The program was considered to be successful as evidenced by the data and publications that have resulted from it and is now supported …   Wikipedia

• Orex Exploration — Inc. Type Public (TSX V: OX) Industry Mining Founded 1987 …   Wikipedia

• Economic Affairs — ▪ 2006 Introduction In 2005 rising U.S. deficits, tight monetary policies, and higher oil prices triggered by hurricane damage in the Gulf of Mexico were moderating influences on the world economy and on U.S. stock markets, but some other… …   Universalium

• Anthropology and Archaeology — ▪ 2009 Introduction Anthropology       Among the key developments in 2008 in the field of physical anthropology was the discovery by a large interdisciplinary team of Spanish and American scientists in northern Spain of a partial mandible (lower… …   Universalium

• Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …   Universalium