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
Aleriel, or A Voyage to Other Worlds in 2015. It includes the same text and a new introduction by Richard Dunn (Royal Museums Greenwich) and Marek Kukula (Royal Observatory Greenwich). Aleriel, or A Voyage to Other Worlds Aleriel, or A Voyage to Other Worlds is a science fiction novel by Wladislaw Somerville Lach-Szyrma, a Polish-English curate, author, and historian. Published in 1883, "Aleriel" is a Victorian novel, which was previously thought to be the first published work to apply the word "Martian" as a noun (it is now known that the word was first used in 1877): After the protagonist, Aleriel, lands on Mars, he buries his