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QUATERNARY

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Originally appearing in Volume V22, Page 718 of the 1911 Encyclopedia Britannica.

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QUATERNARY , in See also:

GEOLOGY (from Gr. yp7, the earth, and Abyor, science)

geology, the See also:

TIME (0. Eng. Lima, cf. Icel. timi, Swed. timme, hour, Dan. time; from the root also seen in " tide," properly the time of between the flow and ebb of the sea, cf. O. Eng. getidan, to happen, " even-tide," &c.; it is not directly related to Lat. tempus)
TIME, MEASUREMENT OF
TIME, STANDARD

time - See also:

DIVISION (from Lat. dividere, to break up into parts, separate)

division which embraces the Pleistocence and See also:

HOLOCENE (from Gr. iiXos, whole, uacvos, recent)

Holocene epochs, i.e. the later portion of the See also:

CAINOZOIC (from the Gr. icalvbs, recent, life)

Cainozoic era, See also:

EQUIVALENT

equivalent to the " See also:

POST

Post-See also:

PLIOCENE (from the Gr. sr?eiov, mere, and xatvbs, recent)

Pliocene " or " Post-See also:

TERTIARY

Tertiary " of certain writers. The See also:

TERM

term was proposed by J. See also:

DESNOYERS, JULES PIERRE FRANCOIS STANISLAS (1800-1887)

Desnoyers in 1829 to See also:

COVER (from the Fr. convert, from couvrir, to cover, Lat. cooperire)

cover those formations which were formed just anterior to the See also:

PRESENT

present. There are other ways of regarding the Quaternary time. See also:

SIR

Sir A. See also:

Geikie (See also:

TEXT (Lat. textum, woven fabric, from texere, to weave)

Text See also:

BOOK

Book of Geology, 4th ed., 1903) divides it into an upper, post-glacial or Human See also:

period, and a See also:

LOWER

lower, See also:

PLEISTOCENE

Pleistocene or Glacial period; but he subdivides the former into an Historic and a Prehistoric See also:

EPOCH (Gr. E7roxij, holding in suspense, a pause, from E1rxav, to hold up, to stop)

epoch, a See also:

SCHEME (Lat. schema, Gr. oxfjya, figure, form, from the root axe, seen in exeiv, to have, hold, to be of such shape, form, &c.)

scheme presenting difficulties, for the See also:

PALAEOLITHIC (Gr. iraXates, old, and )tWBor, stone)

Palaeolithic or lower See also:

STAGE (Fr. 6/age; from Lat. stare, to stand)

stage of prehistoric time cannot really be separated from the Pleistocene (q.v.). E. See also:

KAYSER, FRIEDRICH HEINRICH EMANUEL (1845- )

Kayser (Formationskunde, 3rd. ed., 1906), who is in agreement with the See also:

DEFINITION (Lat. definitio, from de-finire, to set limits to, describe)

definition accepted above, employs a nomenclature which is rarely adopted by See also:

BRITISH

British geologists; he divides the Quartarformation (Quartar) into a younger, See also:

MODERN

modern epoch, the See also:

ALLUVIUM

Alluvium, and an older epoch, the Pleistocene or See also:

DILUVIUM (Lat. for " deluge," from diluere, to wash away)

Diluvium (= Glacial). A. de See also:

LAPPARENT, ALBERT AUGUSTE COCHON DE (1839–19o8)

Lapparent, on the other See also:

hand (Traite de geologie, 5th ed., 1906), treats the Era moderne or Quaternaire as a See also:

GREAT

great time division equivalent in value to the Tertiary, Secondary, &c., which is so far represented only by a first epoch, the Pleistocene.

End of Article: QUATERNARY

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