Lithosphere-Asthenosphere boundary 100 km deep. Lithosphere-Asthenosphere boundary The Lithosphere-Asthenosphere boundary (LAB) represents a mechanical difference between layers in Earth’s inner structure. Earth’s inner structure can be described both chemically (crust, mantle, core) and mechanically. The Lithosphere-Asthenosphere boundary (referred to as the LAB by geophysicists) lies between Earth's cooler, rigid lithosphere and the warmer, ductile asthenosphere. The actual depth of the boundary is still a topic of debate and study, although it is known to vary according to the environment. The LAB is determined from the differences in the lithosphere and asthenosphere including, but not limited to, differences in grain size, chemical composition,
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