Royal Geological Society of Cornwall Royal Geological Society of Cornwall The Royal Geological Society of Cornwall is a geological society based in Penzance, Cornwall in the United Kingdom. It was founded in 1814 to promote the study of the geology of Cornwall, and is the second oldest geological society in the world, after the Geological Society of London which was founded in 1807. The first President of the society was Davies Gilbert, the first Secretary John Ayrton Paris, and other notable members include Humphry Davy (some of whose papers are held by the Society), and William Gregor, who discovered titanium. The society's first premises was
Benchmark (crude oil) Benchmark (crude oil) A benchmark crude or marker crude is a crude oil that serves as a reference price for buyers and sellers of crude oil. There are three primary benchmarks, West Texas Intermediate (WTI), Brent Blend, and Dubai Crude. Other well-known blends include the OPEC Reference Basket used by OPEC, Tapis Crude which is traded in Singapore, Bonny Light used in Nigeria, Urals oil used in Russia and Mexico's Isthmus. Energy Intelligence Group publishes a handbook which identified 195 major crude streams or blends in its 2011 edition. Benchmarks are used because there are many different varieties and grades