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 Act to amend the Criminal Code (offences relating to conveyances) raised concerns that the act would create additional court challenges and complications, and would not reduce litigation and delays, in the frequently litigated fields of drug-impaired and drunk driving. An Act to amend the Criminal Code (offences relating to conveyances) An Act to amend the Criminal Code (offences relating to conveyances) and to make consequential amendments to other Acts, also known as Bill C-46, is a act of the Parliament of Canada that was introduced in the House of Commons by Minister of Justice Jody Wilson-Raybould in 2017, alongside the "Cannabis Act". The act increases police powers related to impaired