See also:

• LITHOSPHERE (Gr. XLOoc , a stone, and Q4aepa, a sphere)

LITHOSPHERE (Gr. XLOoc , a See also:

• STONE
• STONE (0. Eng. shin; the word is common to Teutonic languages, cf. Ger. Stein, Du. steen, Dan. and Swed. sten; the root is also seen in Gr. aria, pebble)
• STONE, CHARLES POMEROY (1824-1887)
• STONE, EDWARD JAMES (1831-1897)
• STONE, FRANK (1800-1859)
• STONE, GEORGE (1708—1764)
• STONE, LUCY [BLACKWELL] (1818-1893)
• STONE, MARCUS (184o— )
• STONE, NICHOLAS (1586-1647)

stone, and Q4aepa, a See also:

• SPHERE (Gr. vclsa?pa, a ball or globe)

sphere)  , the crust of the See also:

• EARTH
• EARTH (a word common to Teutonic languages, cf. Ger. Erde, Dutch aarde, Swed. and Dan. jord; outside Teutonic it appears only in the Gr. 'pq'e, on the ground; it has been connected by some etymologists with the Aryan root ar-, to plough, which is seen in
• EARTH, FIGURE OF
• EARTH, FIGURE OF THE

earth surrounding the earth's See also:

• NUCLEUS (Lat. for the kernal of a nut, nux, the stone of fruit)

nucleus . The superficial See also:

• SOIL

soil, a layer of loose earthy material from a few feet to a few hundreds of feet in thickness, lies upon a See also:

• ZONE (Gr. 'WV77, a girdle, from 'wvvLvay to gird)

zone of hard See also:

• ROCK
• ROCK (O.Fr. rake, Sp. rota, Ital. rocca; possibly from a Lat. form rupica, from rupes, rock)
• ROCK, DANIEL (1799–187t)

rock many thousands of feet in thickness but varying in See also:

• CHARACTER (Gr. xapareri7p, from xap&crew, to scratch)

character, and composed mainly of sandstones, shales, See also:

• CLAYS, PAUL JEAN (1819-1900)

clays, limestones and metamorphic rocks . These two layers See also:

• FORM (Lat. forma)

form the See also:

• LITHOSPHERE (Gr. XLOoc , a stone, and Q4aepa, a sphere)

lithosphere . All the tectonic movements of the solid nucleus produce changes in the See also:

• MOBILE

mobile lithosphere . Volcanic and seismic activity is manifested, mountains are folded, levels See also:

• CHANGE (derived through the Fr. from the Late Lat. cambium, cambiare, to barter; the ultimate derivation is probably from the root which appears in the Gr. «a urmu', to bend)

change, fresh surfaces are exposed to denudation, erosion and deposition . The crust is thus subject to See also:

• CONSTANT, BENJAMIN (1845-1902)

constant change while retaining its more or less permanent character .