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
Talk to Me (exhibition) Talk to Me (exhibition) Talk to Me: Design and the Communication between People and Objects is an exhibition put on by the Museum of Modern Art from July 24 to November 7, 2011. Created by the Department of Architecture and Design, it was widely reviewed and drew many visitors. The exhibit was organized by Paola Antonelli, Senior Curator in the Department of Architecture and Kate Carmody, curatorial assistant. The exhibition explores and showcases the communications, dialogue and interface between people and machines. "Talk to Me" features 194 works by 236 artists, some provide information, others act as gateways or interfaces,