英语词汇“megashear”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

megashear n.

Brit.

/ˈmɛɡəʃɪə/

U.S.

/ˈmɛɡəˌʃɪ(ə)r/

[ < mega- comb. form + shear n.²] Geology a transcurrent fault in which the displacement is greater than the thickness of the crust.

ΘΚΠ

the world > the earth > structure of the earth > structural features > discontinuity or unconformity > [noun] > fault > other types of fault

heave1802

reversed fault1852

reverse fault1865

step-fault1879

ring fracture1881

overfault1883

overlap fault1883

overthrust1883

trough fault1883

thrust1888

thrust-fault1889

offset1897

cross-fault1900

tear-fault1900

distributive fault1904

cross-break1909

slide1910

strike-slip fault1913

rift1921

splay fault1942

wrench fault1951

megashear1954

transform fault1965

transform1971

1954 S. W. Carey in News Bull. Geol. Soc. Austral. July 1 The known megashears, where orogens are displaced hundreds of km., were next examined.

1971 Nature 2 July 23/1 We regard these two [American] plates as distinct entities separated mainly by the Cayman-Puerto Rico megashear.

1994 Bull. Geol. Soc. Amer. 106 214/3 In direct contrast to the Late Devonian left-lateral megashear models, this motion would link to a large-scale dextral motion between Scandinavia and Greenland in Late Devonian time.

单词	megashear
释义	> as lemmas megashear megashear n. Brit. /ˈmɛɡəʃɪə/ , U.S. /ˈmɛɡəˌʃɪ(ə)r/ [ < mega- comb. form + shear n.²] Geology a transcurrent fault in which the displacement is greater than the thickness of the crust. ΘΚΠ the world > the earth > structure of the earth > structural features > discontinuity or unconformity > [noun] > fault > other types of fault heave1802 reversed fault1852 reverse fault1865 step-fault1879 ring fracture1881 overfault1883 overlap fault1883 overthrust1883 trough fault1883 thrust1888 thrust-fault1889 offset1897 cross-fault1900 tear-fault1900 distributive fault1904 cross-break1909 slide1910 strike-slip fault1913 rift1921 splay fault1942 wrench fault1951 megashear1954 transform fault1965 transform1971 1954 S. W. Carey in News Bull. Geol. Soc. Austral. July 1 The known megashears, where orogens are displaced hundreds of km., were next examined. 1971 Nature 2 July 23/1 We regard these two [American] plates as distinct entities separated mainly by the Cayman-Puerto Rico megashear. 1994 Bull. Geol. Soc. Amer. 106 214/3 In direct contrast to the Late Devonian left-lateral megashear models, this motion would link to a large-scale dextral motion between Scandinavia and Greenland in Late Devonian time. extracted from mega-comb. form < as lemmas
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> as lemmas