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
Successors to Ikarus (Hungarian company) design. The model was called IK HB 122L, in which ""IK"" refers to ""Ikarus"". It was Széles' way to bypass the agreement with Irisbus. After all, Hungarian Bus only managed to build five units and in 2007 it already ceased to exist. Széles has been widely critisied for only creating the company to avoid paying back an enormous amount of money to the state as compensation for his unfulfilled promise. The Auto Rad Controlle Kft. or ARC, was originally established in 1989 and was serving as one of the many suppliers of Ikarus. Later on, they started to repair autobuses