olistostromen.

Brit.

/ɒˈlɪstə(ʊ)ˌstrəʊm/, U.S.

/ɑˈlɪstəˌstroʊm/

Origin: A borrowing from Greek. Etymons: Greek ὀλισθεῖν, στρῶμα.

Etymology: < ancient Greek ὀλισθεῖν to slip, glide (see olistolith n.) + στρῶμα bed (see stroma n.).

Geology.

A sedimentary deposit composed of a heterogeneous mixture of materials and formed by the sliding or slumping of semi-fluid sediment.

ΘΚΠ

the world > the earth > structure of the earth > constituent materials > rock > sedimentary rock > [noun] > olistostrome

olistostrome1956

1956 G. Flores in Proc. 4th World Petroleum Congr. 1955 i. 122/2 By Olistostromes we define those sedimentary deposits occurring within normal geologic sequences that are sufficiently continuous to be mappable, and that are characterized by lithologically and/or petrographically heterogeneous materials, more or less intimately admixed, that were accumulated as a semi-fluid body.

1973 D. V. Ager Nature of Stratigraphical Rec. iv. 37 Olistostromes are now recognised in all parts of the succession, autochthonous as well as allochthonous.

2001 Geol. Mag. 138 633 The Lichi Melange has been interpreted either as a subduction complex, or as an olistostrome.

This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022).

单词	olistostrome
释义	olistostromen. Brit. /ɒˈlɪstə(ʊ)ˌstrəʊm/, U.S. /ɑˈlɪstəˌstroʊm/ Origin: A borrowing from Greek. Etymons: Greek ὀλισθεῖν, στρῶμα. Etymology: < ancient Greek ὀλισθεῖν to slip, glide (see olistolith n.) + στρῶμα bed (see stroma n.). Geology. A sedimentary deposit composed of a heterogeneous mixture of materials and formed by the sliding or slumping of semi-fluid sediment. ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > sedimentary rock > [noun] > olistostrome olistostrome1956 1956 G. Flores in Proc. 4th World Petroleum Congr. 1955 i. 122/2 By Olistostromes we define those sedimentary deposits occurring within normal geologic sequences that are sufficiently continuous to be mappable, and that are characterized by lithologically and/or petrographically heterogeneous materials, more or less intimately admixed, that were accumulated as a semi-fluid body. 1973 D. V. Ager Nature of Stratigraphical Rec. iv. 37 Olistostromes are now recognised in all parts of the succession, autochthonous as well as allochthonous. 2001 Geol. Mag. 138 633 The Lichi Melange has been interpreted either as a subduction complex, or as an olistostrome. This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022). < n.1956
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