Feldspar (including electrical insulators, sanitaryware, pottery, tableware, and tile) and other uses, such as fillers, accounted for the remainder. In earth sciences and archaeology, feldspars are used for K-Ar dating, argon-argon dating, and luminescence dating. In October 2012, the Mars Curiosity rover analyzed a rock that turned out to have a high feldspar content. Feldspar Feldspars (KAlSiO – NaAlSiO – CaAlSiO) are a group of rock-forming tectosilicate minerals that make up about 41% of the Earth's continental crust by weight. Feldspars crystallize from magma as veins in both intrusive and extrusive igneous rocks and are also present in many types of
The Man from Earth producing sequels. A Kickstarter campaign to crowdfund a sequel named "The Man From Earth II: Man From Earth Millennium" was announced in September 2013, but it was not able to collect the minimum-required supporting by October 2013. Another attempt was then made to crowdfund a series, "Man From Earth: The Series", based on the film. The second crowd-funding effort completed successfully in August 2014. The Man from Earth The Man from Earth is a 2007 American drama science fiction film written by Jerome Bixby and directed by Richard Schenkman. It stars David Lee Smith as John Oldman, the protagonist. The