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
Hail to the Thief black sludge. We've created this incredibly vibrant society, but we're going to have to deal with the consequences sooner or later." Essayist Amy Britton interpreted the artwork as an allusion to the Bush administration's "road map for peace" plan for the Israeli–Palestinian conflict. Joseph Tate, likening the art to the paintings of French artist Jean Dubuffet, found it depicted a "homogenized and heavily regimented" portrayal of "capitalism's glaring visual presence: an oppressive sameness of style and color that mirrors globalization's reduction of difference." Other artworks included with the album refer to cities relevant to the war on terror, including New