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 Most Hated Family in America commented that the airing of the documentary, "saw Louis Theroux, in "The Most Hated Family in America", shatter another redneck American target, the Westboro Baptist Church". In a review of the documentary for "The Sunday Times", Roland White discussed Theroux's stylistic technique, "Theroux's usual technique – the friendly ingenue – made absolutely no impact on these people. It was like watching a youngster from a village cricket team trying to bowl out Geoff Boycott, and I began to wonder what Theroux was hoping to achieve. It is impossible to out–argue the religious bigot. They have impeccable logic on their side: