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
Works by Banksy that have been damaged or destroyed ended, a mechanism hidden in the frame was triggered by remote control and partially shredded the piece. Banksy later explained that he had built the shredder into the painting several years before it went up for auction, and named the new artwork created by the shredding "Love is in the Bin". Works by Banksy that have been damaged or destroyed This is a list of damaged or destroyed works of guerrilla art created by Banksy, which have been removed from their original locations or otherwise damaged or destroyed. Banksy is an England-based graffiti artist. Most of the works that make