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
To SquarePants or Not to SquarePants To SquarePants or Not to SquarePants "To SquarePants or Not to SquarePants", also known as "To SquarePants or Not to", is the second segment of the 16th episode of the sixth season and the 116th overall episode of the American animated television series "SpongeBob SquarePants". It originally aired on Nickelodeon in the United States on July 17, 2009. The series follows the adventures and endeavors of the title character and his various friends in the underwater city of Bikini Bottom. In this episode, SpongeBob's pants have shrunk in the dryer. Unable to find a new pair, he tries round pants,