bysmalithn.

/ˈbɪzməlɪθ/

Etymology: < Greek βύσμα plug + λίθος stone: see -lith comb. form.

Geology.

A large roughly cylindrical body of igneous rock which, when it was forced upward, lifted up the overlying rock.

ΘΚΠ

the world > the earth > structure of the earth > structural features > discontinuity or unconformity > [noun] > intrusion > others

laccolite1877

xenolith1894

bysmalith1898

stock1898

autolith1900

bathylite1902

phacolite1909

phacolith1910

cupola1911

lopolith1918

1898 J. P. Iddings in Jrnl. Geol. (Chicago) 6 706 By this mode of intrusion, the vertical dimension of the intruded mass becomes still greater as compared with the lateral dimensions, so that its shape is more that of a plug or core. Such an intruded plug of igneous rock may be termed a bysmalith.

1905 T. C. Chamberlin & R. D. Salisbury Geol. I. 477 Between the bysmalith and the laccolith there are various gradations.

Derivatives

bysmaˈlithic adj. characteristic of a bysmalith.

ΘΚΠ

the world > the earth > structure of the earth > structural features > discontinuity or unconformity > [adjective] > intrusive > others

xenolithic1900

batholithic1912

bysmalithic1933

lopolithic1959

1933 R. A. Daly Igneous Rocks & Depths of Earth vii. 132 We have no direct evidence that the intracrustal space occupied by a typical batholith was gained principally through a laccolithic or bysmalithic lifting of the roof.

This entry has not yet been fully updated (first published 1933; most recently modified version published online June 2018).

单词	bysmalith
释义	bysmalithn. /ˈbɪzməlɪθ/ Etymology: < Greek βύσμα plug + λίθος stone: see -lith comb. form. Geology. A large roughly cylindrical body of igneous rock which, when it was forced upward, lifted up the overlying rock. ΘΚΠ the world > the earth > structure of the earth > structural features > discontinuity or unconformity > [noun] > intrusion > others laccolite1877 xenolith1894 bysmalith1898 stock1898 autolith1900 bathylite1902 phacolite1909 phacolith1910 cupola1911 lopolith1918 1898 J. P. Iddings in Jrnl. Geol. (Chicago) 6 706 By this mode of intrusion, the vertical dimension of the intruded mass becomes still greater as compared with the lateral dimensions, so that its shape is more that of a plug or core. Such an intruded plug of igneous rock may be termed a bysmalith. 1905 T. C. Chamberlin & R. D. Salisbury Geol. I. 477 Between the bysmalith and the laccolith there are various gradations. Derivatives bysmaˈlithic adj. characteristic of a bysmalith. ΘΚΠ the world > the earth > structure of the earth > structural features > discontinuity or unconformity > [adjective] > intrusive > others xenolithic1900 batholithic1912 bysmalithic1933 lopolithic1959 1933 R. A. Daly Igneous Rocks & Depths of Earth vii. 132 We have no direct evidence that the intracrustal space occupied by a typical batholith was gained principally through a laccolithic or bysmalithic lifting of the roof. This entry has not yet been fully updated (first published 1933; most recently modified version published online June 2018). < n.1898
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