Definition of allochthonous in English:

allochthonous

adjective əˈlɒkθənəsəˈläkTHənəs

Geology

Denoting a deposit or formation that originated at a distance from its present position.
〔地质〕搬移的，外来的，移积的。常与AUTOCHTHONOUS 相对
Often contrasted with autochthonous
Example sentencesExamples
- The allochthonous units that overlie the eastern part of this terrane were probably emplaced when the Magnitogorsk volcanic arc collided with this margin in late Devonian times.
- Although some skeletal remains are evidently allochthonous, other remains are probably parautochthonous.
- The fossils of the westernmost exposures of the Hoko River Formation are allochthonous, preserved in reworked concretions within conglomerates that were deposited as part of a submarine fan system during late Eocene time.
- However, this does not prove that the Moine rocks necessarily constitute an allochthonous terrane in the North American sense.
- These rocks are also of biogeographic interest because unlike truly allochthonous terranes they are parautochthonous with respect to the craton.

Origin

Early 20th century: from allo- 'other' + Greek khthōn 'earth' + -ous.

Definition of allochthonous in US English:

allochthonous

adjectiveəˈläkTHənəs

Geology

Denoting sediment or rock that originated at a distance from its present position.
〔地质〕搬移的，外来的，移积的。常与AUTOCHTHONOUS 相对
Often contrasted with autochthonous
Example sentencesExamples
- These rocks are also of biogeographic interest because unlike truly allochthonous terranes they are parautochthonous with respect to the craton.
- The allochthonous units that overlie the eastern part of this terrane were probably emplaced when the Magnitogorsk volcanic arc collided with this margin in late Devonian times.
- However, this does not prove that the Moine rocks necessarily constitute an allochthonous terrane in the North American sense.
- The fossils of the westernmost exposures of the Hoko River Formation are allochthonous, preserved in reworked concretions within conglomerates that were deposited as part of a submarine fan system during late Eocene time.
- Although some skeletal remains are evidently allochthonous, other remains are probably parautochthonous.

Origin

Early 20th century: from allo- ‘other’ + Greek khthōn ‘earth’ + -ous.

单词	allochthonous
释义	Definition of allochthonous in English: allochthonous adjective əˈlɒkθənəsəˈläkTHənəs Geology Denoting a deposit or formation that originated at a distance from its present position. 〔地质〕搬移的，外来的，移积的。常与AUTOCHTHONOUS 相对 Often contrasted with autochthonous Example sentencesExamples The allochthonous units that overlie the eastern part of this terrane were probably emplaced when the Magnitogorsk volcanic arc collided with this margin in late Devonian times. Although some skeletal remains are evidently allochthonous, other remains are probably parautochthonous. The fossils of the westernmost exposures of the Hoko River Formation are allochthonous, preserved in reworked concretions within conglomerates that were deposited as part of a submarine fan system during late Eocene time. However, this does not prove that the Moine rocks necessarily constitute an allochthonous terrane in the North American sense. These rocks are also of biogeographic interest because unlike truly allochthonous terranes they are parautochthonous with respect to the craton. Origin Early 20th century: from allo- 'other' + Greek khthōn 'earth' + -ous. Definition of allochthonous in US English: allochthonous adjectiveəˈläkTHənəs Geology Denoting sediment or rock that originated at a distance from its present position. 〔地质〕搬移的，外来的，移积的。常与AUTOCHTHONOUS 相对 Often contrasted with autochthonous Example sentencesExamples These rocks are also of biogeographic interest because unlike truly allochthonous terranes they are parautochthonous with respect to the craton. The allochthonous units that overlie the eastern part of this terrane were probably emplaced when the Magnitogorsk volcanic arc collided with this margin in late Devonian times. However, this does not prove that the Moine rocks necessarily constitute an allochthonous terrane in the North American sense. The fossils of the westernmost exposures of the Hoko River Formation are allochthonous, preserved in reworked concretions within conglomerates that were deposited as part of a submarine fan system during late Eocene time. Although some skeletal remains are evidently allochthonous, other remains are probably parautochthonous. Origin Early 20th century: from allo- ‘other’ + Greek khthōn ‘earth’ + -ous.
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