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 Good Earth cannot remember what I did with that manuscript." After Buck died in 1973, her heirs reported it stolen. It finally turned up at Freeman's Auctioneers & Appraisers in Philadelphia around 2007 when it was brought in for consignment. The FBI were notified and it was handed over by the consignor. The Good Earth The Good Earth is a novel by Pearl S. Buck published in 1931 that dramatizes family life in a Chinese village in the early 20th century. It is the first book in a trilogy that includes "Sons" (1932) and "A House Divided" (1935). It was the best-selling