Provenance (geology) Provenance (geology) Provenance in geology, is the reconstruction of the origin of sediments. The Earth is a dynamic planet, and all rocks are subject to transition between the three main rock types: sedimentary, metamorphic, and igneous rocks (the rock cycle). Rocks exposed to the surface are sooner or later broken down into sediments. Sediments are expected to be able to provide evidence of the erosion history of their parent source rocks. The purpose of provenance study is to restore the tectonic, paleo-geographic and paleo-climatic history. In the modern geological lexicon, "sediment provenance" specifically refers to the application of compositional analyses
According to Bex According to Bex According to Bex (originally titled Everything I Know About Men) is a British sitcom that aired on BBC One in 2005. Starring Jessica Stevenson (now known as Jessica Hynes), it was written by Katie Douglas, Julia Barron and Fred Barron, who also created "My Family" and "After You've Gone". The American sitcom "Courting Alex", starring Jenna Elfman, was originally based on "According to Bex". "According to Bex" concerns the life of Bex Atwell, a twenty-something single woman who works as a secretary and who lives in London. She is looking for the perfect man and the perfect