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- Intermediate zone of earth.
Surrounded by crust, it rests on
core at depth of about 2,900 km.
Source: Leet, L. Don. 1982.
Physical Geology, 6th Edition. Englewood Cliffs, NJ: Prentice-Hall
- a. The soil or other unconsolidated rock material commonly referred to as
overburden. See: surfaceb. A sheath of manganese steel that fits over the iron or steel cone of
the breaking (gyrating) head of a gyratory crusher. Pryor, 3
c. That part of a blast furnace that carries the weight of the stack,
continuing up from the bosh. Pryor, 3
d. See: mantle rock; regolith.
e. The outer zone in a zoned crystal; an overgrowth. AGI
f. The zone of the Earth below the crust and above the core, which is
divided into the upper mantle and the lower mantle, with a transition zone
between. AGI
Source:
Dictionary of Mining, Mineral, and Related Terms
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