Major shear zones and autochthonous Dalradian in the north-east Scottish Caledonides

W. A. Ashcroft; B. C. Kneller; A. G. Leslie; M. Munro

doi:10.1038/310760a0

Major shear zones and autochthonous Dalradian in the north-east Scottish Caledonides

W. A. Ashcroft^*, B. C. Kneller, A. G. Leslie, M. Munro

^*Corresponding author for this work

Geology and Geophysics

Research output: Contribution to journal › Article › peer-review

29 Citations (Scopus)

Abstract

The Buchan area within the Grampian Caledonides of north-east Scotland is a classic locality for the study of low-pressure regional metamorphism. Using detailed geophysical surveys, pits and boreholes to augment sparse outcrop data, we have revealed a system of steep shear belts of Grampian age. When combined with a reassessment of the stratigraphy, the new information leads us to the view that the Banff nappe does not exist. We also argue that the Tay nappe is of limited extent in Buchan, and that the tract of uninverted Southern Highland Group (upper Dalradian) is autochthonous.

Original language	English
Pages (from-to)	760-762
Number of pages	3
Journal	Nature
Volume	310
Issue number	5980
DOIs	https://doi.org/10.1038/310760a0
Publication status	Published - 30 Aug 1984

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title = "Major shear zones and autochthonous Dalradian in the north-east Scottish Caledonides",

abstract = "The Buchan area within the Grampian Caledonides of north-east Scotland is a classic locality for the study of low-pressure regional metamorphism. Using detailed geophysical surveys, pits and boreholes to augment sparse outcrop data, we have revealed a system of steep shear belts of Grampian age. When combined with a reassessment of the stratigraphy, the new information leads us to the view that the Banff nappe does not exist. We also argue that the Tay nappe is of limited extent in Buchan, and that the tract of uninverted Southern Highland Group (upper Dalradian) is autochthonous.",

author = "Ashcroft, {W. A.} and Kneller, {B. C.} and Leslie, {A. G.} and M. Munro",

year = "1984",

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AU - Ashcroft, W. A.

AU - Kneller, B. C.

AU - Leslie, A. G.

AU - Munro, M.

PY - 1984/8/30

Y1 - 1984/8/30

N2 - The Buchan area within the Grampian Caledonides of north-east Scotland is a classic locality for the study of low-pressure regional metamorphism. Using detailed geophysical surveys, pits and boreholes to augment sparse outcrop data, we have revealed a system of steep shear belts of Grampian age. When combined with a reassessment of the stratigraphy, the new information leads us to the view that the Banff nappe does not exist. We also argue that the Tay nappe is of limited extent in Buchan, and that the tract of uninverted Southern Highland Group (upper Dalradian) is autochthonous.

AB - The Buchan area within the Grampian Caledonides of north-east Scotland is a classic locality for the study of low-pressure regional metamorphism. Using detailed geophysical surveys, pits and boreholes to augment sparse outcrop data, we have revealed a system of steep shear belts of Grampian age. When combined with a reassessment of the stratigraphy, the new information leads us to the view that the Banff nappe does not exist. We also argue that the Tay nappe is of limited extent in Buchan, and that the tract of uninverted Southern Highland Group (upper Dalradian) is autochthonous.

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JO - Nature

JF - Nature

IS - 5980

ER -

Major shear zones and autochthonous Dalradian in the north-east Scottish Caledonides

Abstract

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