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
An Introduction to Syd Barrett An Introduction to Syd Barrett An Introduction to Syd Barrett is a 'best of' compilation featuring the work of Syd Barrett spanning the period 1967–1970, including both material written during his time with Pink Floyd and his post-band solo career. The album was released in the UK and Europe on 4 October 2010, with different release dates for the rest of the world. The album features a series of new remasters and remixes, all overseen by Pink Floyd's David Gilmour. The cover art, featuring various images relating to songs contained within the album, was designed and created by long-term Pink