Stratigraphy and structure of the western Moine and the problem of Moine orogenesis

DEREK POWELL

doi:10.1144/gsjgs.130.6.0575

Abstract

The stratigraphy and major structure of some 650 km² of Precambrian, Moine metasediments in western Scotland are discussed and it is shown that at least four major deformation phases involving primary isoclinal folding with fold amplitudes of at least 20 km, and two major metamorphic episodes affect both the Lewisian basement and the Moine cover.

It is argued that there is sufficient evidence to regard the first two deformation phases together with the earlier metamorphism as Precambrian in age and the subsequent deformations and metamorphism as Caledonian.

References

1. Bailey E. B.
(1955) Moine tectonics and metamorphism in Skye. Trans Edinb geol Soc 16:93–166.
OpenUrl
1. Barber A. J.
(1965) The History of the Moine thrust zone, Lochcarron and Lochalsh, Scotland. Proc Geol Ass Lond 76:215–242.
OpenUrl
1. Barber A. J.,
2. Soper N. J.
(1973) Summer field meeting N.W. Scotland, Report. Proc Geol Ass Lond 84:207–235.
OpenUrl
1. Brown R. L.,
2. Dalziel I. W. D.,
3. Johnson M. R. W.
(1970) A review of the structure and stratigraphy of the Moinian of Ardgour, Moidart and Sunart—Argyll and Inverness-shire. Scott J Geol 6:309–335.
OpenUrl CrossRef
1. Cheeney R. F.,
2. Matthews D. W.
(1965) The structural evolution of die Tarskavaig and Moine nappes in Skye. Scott J Geol 1:256–281.
OpenUrl
1. Johnson M. R. W.
(1957) The structural geology of die Moine thrust zone in the Coulin Forest, Wester Ross. Q Jl geol Soc Lond 113:241–270.
OpenUrl
1. Johnson M. R. W.
(1960) The structural history of die Moine dirust zone at Lochcarron, Wester Ross. Trans R Soc Edinb 64:139–168.
OpenUrl
1. Johnson M. R. W.,
2. Shepherd J.
(1970) Notes on die age of metamorphism of die Moinian. Scott J Geol 6:228–229.
OpenUrl CrossRef
1. Johnstone G. S.,
2. Smith D. I.,
3. Harris A. L.
(1969) Moinian assemblage of Scotland. Am Ass Petrol Geol Mem 12:159–180.
OpenUrl
1. Kennedy W. Q.
(1955) The tectonics of die Morar Anticline and die problem of die nordi-west Caledonian front. Q Jl geol Soc Lond 110:375–390.
OpenUrl
1. Lambert R. St. J.
(1958) A metamorphic boundary in die Moine Schists of the Morar and Knoydart districts of Inverness-shire. Geol Mag 95:177–194.
OpenUrl Abstract
1. Lambert R. St. J.,
2. Poole A. B.
(1964) The relationship of die Moine Schists and Lewisian gneisses near Mallaigmore, Inverness-shire. Proc Geol Ass Lond 75:1–14.
OpenUrl
Lewry, J. F. 1964. The structure, stratigraphy and metamorphism of S. Morar, Inverness-shire. Ph.D. thesis, University of Wales (Aberystwyth).
1. Long L. E.,
2. Lambert R. St. J.
(1963) in The British Caledonides, Rb-Sr isotopic ages from the Moine Series, eds Johnson M. R. W., Stewart F. H. (Oliver & Boyd, Edinburgh).
1. Long L. E.
(1964) Rb-Sr chronology of die Cam Chuinneag Intrusion, Ross-shire, Scotland. J geophys Res 69:1589–1597.
OpenUrl CrossRef Web of Science
1. Pidgeon R. T.,
2. Johnson M. R. W.
(1973) in Geochronology Isotope geology of Scotland, Isotopic evidence for 'early' events in die Moines, eds Pidgeon R. T., Maclntyre R. M., Sheppard S. M. F., van Bresman O. (Scottish Univ. Res. & Reactor Centre).
1. Poole A. B.
(1966) The stratigraphy and structure of nordi-eastern Morar, Inverness-shire. Scott J Geol 2:38–53.
OpenUrl
1. Poole A. B.,
2. Spring J. S.
(1974) Major structures in Morar and Knoydart, N.W. Scotland. Jl geol Soc Lond 130:43–53.
OpenUrl CrossRef
1. Powell D.
(1964) The stratigraphical succession of die Moine Schists around Lochailort,(Inverness-shire) and its regional significance. Proc Geol Ass Lond 75:223–250.
OpenUrl
1. Powell D.
(1966) The structure of die soudi-eastern part of die Morar Antiform, Inverness-shire. Proc Geol Ass Lond 77:79–100.
OpenUrl
1. Powell D.
(1971) Moinian structure and stratigraphy. Scott J Geol 7:87–90.
OpenUrl
1. Ramsay J. G.
(1958) Moine-Lewisian relations at Glenelg, Inverness-shire. Q Jl geol Soc Lond 113:481–523.
OpenUrl
1. Ramsay J. G.
(1960) The deformation of early linear structures in areas of repeated folding. J Geol 68:75–93.
OpenUrl CrossRef Web of Science
1. Ramsay J. G.
(1963) in The British Caledonides, Structure and metamorphism of the Moine and Lewisian rocks of the Nordi-west Caledonides, eds Johnson M. R. W., Stewart F. H. (Oliver & Boyd, Edinburgh).
1. Ramsay J. G.,
2. Spring J. S.
(1962) Moine stratigraphy in die Western Highlands of Scotland. Proc Geol Ass Lond 73:295–322.
OpenUrl CrossRef
1. Richey J. E.,
2. Kennedy W. Q.
(1939) The Moine and Sub-Moine series of Morar, Inverness-shire. Bull Geol Surv Gt Br 2:26–45.
OpenUrl
1. Shepherd J.
(1973) The structure and structural dating of die Cam Chuinneag intrusion, Ross-shire. Scott J Geol 9:63–88.
OpenUrl CrossRef
1. Soper N. J.
(1971) The earliest Caledonian structures in die Moine dirust belt. Scott J Geol 7:241–247.
OpenUrl CrossRef
1. Tanner P. W. G.
(1971) The Sgurr Beag Slide, a major tectonic break widiin die Moinian of die Western Highlands of Scotland. Q. Jl. geol. Soc. Lond 126:435–463, See also discussion, Proc. geol. Soc. Lond. no. 1664.
OpenUrl
1. Tanner P. W. G.,
2. Johnstone G. S.,
3. Smith D. I.,
4. Harris A. L.
(1970) Moinian Stratigraphy and the Problem of the Central Ross-shire Inliers. Bull geol Soc Am 81:299–306.
OpenUrl Abstract/FREE Full Text
1. Tobisch P. T.,
2. Fleuty M. J.,
3. Merh S. S.,
4. Mukhopadhyay D.,
5. Ramsay J. G.
(1970) Deformational and metamorphic history of Moinian and Lewisian rocks between Strathconon and Glen Affric. Scott J Geol 6:243–265.
OpenUrl CrossRef
1. Van Breemen O.,
2. Pidgeon R. T.,
3. Johnson M. R. W.
(1974) Precambrian and Palaeozoic pegmatites in the Moines of northern Scotland. Jl geol Soc Lond 130:493–507.
OpenUrl CrossRef

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[1] Bailey E. B.
(1955) Moine tectonics and metamorphism in Skye. Trans Edinb geol Soc 16:93–166.
OpenUrl

[2] Bailey E. B.

[3] Barber A. J.
(1965) The History of the Moine thrust zone, Lochcarron and Lochalsh, Scotland. Proc Geol Ass Lond 76:215–242.
OpenUrl

[4] Barber A. J.

[5] Barber A. J.,
Soper N. J.
(1973) Summer field meeting N.W. Scotland, Report. Proc Geol Ass Lond 84:207–235.
OpenUrl

[6] Barber A. J.,

[7] Soper N. J.

[8] Brown R. L.,
Dalziel I. W. D.,
Johnson M. R. W.
(1970) A review of the structure and stratigraphy of the Moinian of Ardgour, Moidart and Sunart—Argyll and Inverness-shire. Scott J Geol 6:309–335.
OpenUrl CrossRef

[9] Brown R. L.,

[10] Dalziel I. W. D.,

[11] Johnson M. R. W.

[12] Cheeney R. F.,
Matthews D. W.
(1965) The structural evolution of die Tarskavaig and Moine nappes in Skye. Scott J Geol 1:256–281.
OpenUrl

[13] Cheeney R. F.,

[14] Matthews D. W.

[15] Johnson M. R. W.
(1957) The structural geology of die Moine thrust zone in the Coulin Forest, Wester Ross. Q Jl geol Soc Lond 113:241–270.
OpenUrl

[16] Johnson M. R. W.

[17] Johnson M. R. W.
(1960) The structural history of die Moine dirust zone at Lochcarron, Wester Ross. Trans R Soc Edinb 64:139–168.
OpenUrl

[18] Johnson M. R. W.

[19] Johnson M. R. W.,
Shepherd J.
(1970) Notes on die age of metamorphism of die Moinian. Scott J Geol 6:228–229.
OpenUrl CrossRef

[20] Johnson M. R. W.,

[21] Shepherd J.

[22] Johnstone G. S.,
Smith D. I.,
Harris A. L.
(1969) Moinian assemblage of Scotland. Am Ass Petrol Geol Mem 12:159–180.
OpenUrl

[23] Johnstone G. S.,

[24] Smith D. I.,

[25] Harris A. L.

[26] Kennedy W. Q.
(1955) The tectonics of die Morar Anticline and die problem of die nordi-west Caledonian front. Q Jl geol Soc Lond 110:375–390.
OpenUrl

[27] Kennedy W. Q.

[28] Lambert R. St. J.
(1958) A metamorphic boundary in die Moine Schists of the Morar and Knoydart districts of Inverness-shire. Geol Mag 95:177–194.
OpenUrl Abstract

[29] Lambert R. St. J.

[30] Lambert R. St. J.,
Poole A. B.
(1964) The relationship of die Moine Schists and Lewisian gneisses near Mallaigmore, Inverness-shire. Proc Geol Ass Lond 75:1–14.
OpenUrl

[31] Lambert R. St. J.,

[32] Poole A. B.

[33] Lewry, J. F. 1964. The structure, stratigraphy and metamorphism of S. Morar, Inverness-shire. Ph.D. thesis, University of Wales (Aberystwyth).

[34] Long L. E.,
Lambert R. St. J.
(1963) in The British Caledonides, Rb-Sr isotopic ages from the Moine Series, eds Johnson M. R. W., Stewart F. H. (Oliver & Boyd, Edinburgh).

[35] Long L. E.,

[36] Lambert R. St. J.

[37] Long L. E.
(1964) Rb-Sr chronology of die Cam Chuinneag Intrusion, Ross-shire, Scotland. J geophys Res 69:1589–1597.
OpenUrl CrossRef Web of Science

[38] Long L. E.

[39] Pidgeon R. T.,
Johnson M. R. W.
(1973) in Geochronology Isotope geology of Scotland, Isotopic evidence for 'early' events in die Moines, eds Pidgeon R. T., Maclntyre R. M., Sheppard S. M. F., van Bresman O. (Scottish Univ. Res. & Reactor Centre).

[40] Pidgeon R. T.,

[41] Johnson M. R. W.

[42] Poole A. B.
(1966) The stratigraphy and structure of nordi-eastern Morar, Inverness-shire. Scott J Geol 2:38–53.
OpenUrl

[43] Poole A. B.

[44] Poole A. B.,
Spring J. S.
(1974) Major structures in Morar and Knoydart, N.W. Scotland. Jl geol Soc Lond 130:43–53.
OpenUrl CrossRef

[45] Poole A. B.,

[46] Spring J. S.

[47] Powell D.
(1964) The stratigraphical succession of die Moine Schists around Lochailort,(Inverness-shire) and its regional significance. Proc Geol Ass Lond 75:223–250.
OpenUrl

[48] Powell D.

[49] Powell D.
(1966) The structure of die soudi-eastern part of die Morar Antiform, Inverness-shire. Proc Geol Ass Lond 77:79–100.
OpenUrl

[50] Powell D.

[51] Powell D.
(1971) Moinian structure and stratigraphy. Scott J Geol 7:87–90.
OpenUrl

[52] Powell D.

[53] Ramsay J. G.
(1958) Moine-Lewisian relations at Glenelg, Inverness-shire. Q Jl geol Soc Lond 113:481–523.
OpenUrl

[54] Ramsay J. G.

[55] Ramsay J. G.
(1960) The deformation of early linear structures in areas of repeated folding. J Geol 68:75–93.
OpenUrl CrossRef Web of Science

[56] Ramsay J. G.

[57] Ramsay J. G.
(1963) in The British Caledonides, Structure and metamorphism of the Moine and Lewisian rocks of the Nordi-west Caledonides, eds Johnson M. R. W., Stewart F. H. (Oliver & Boyd, Edinburgh).

[58] Ramsay J. G.

[59] Ramsay J. G.,
Spring J. S.
(1962) Moine stratigraphy in die Western Highlands of Scotland. Proc Geol Ass Lond 73:295–322.
OpenUrl CrossRef

[60] Ramsay J. G.,

[61] Spring J. S.

[62] Richey J. E.,
Kennedy W. Q.
(1939) The Moine and Sub-Moine series of Morar, Inverness-shire. Bull Geol Surv Gt Br 2:26–45.
OpenUrl

[63] Richey J. E.,

[64] Kennedy W. Q.

[65] Shepherd J.
(1973) The structure and structural dating of die Cam Chuinneag intrusion, Ross-shire. Scott J Geol 9:63–88.
OpenUrl CrossRef

[66] Shepherd J.

[67] Soper N. J.
(1971) The earliest Caledonian structures in die Moine dirust belt. Scott J Geol 7:241–247.
OpenUrl CrossRef

[68] Soper N. J.

[69] Tanner P. W. G.
(1971) The Sgurr Beag Slide, a major tectonic break widiin die Moinian of die Western Highlands of Scotland. Q. Jl. geol. Soc. Lond 126:435–463, See also discussion, Proc. geol. Soc. Lond. no. 1664.
OpenUrl

[70] Tanner P. W. G.

[71] Tanner P. W. G.,
Johnstone G. S.,
Smith D. I.,
Harris A. L.
(1970) Moinian Stratigraphy and the Problem of the Central Ross-shire Inliers. Bull geol Soc Am 81:299–306.
OpenUrl Abstract/FREE Full Text

[72] Tanner P. W. G.,

[73] Johnstone G. S.,

[74] Smith D. I.,

[75] Harris A. L.

[76] Tobisch P. T.,
Fleuty M. J.,
Merh S. S.,
Mukhopadhyay D.,
Ramsay J. G.
(1970) Deformational and metamorphic history of Moinian and Lewisian rocks between Strathconon and Glen Affric. Scott J Geol 6:243–265.
OpenUrl CrossRef

[77] Tobisch P. T.,

[78] Fleuty M. J.,

[79] Merh S. S.,

[80] Mukhopadhyay D.,

[81] Ramsay J. G.

[82] Van Breemen O.,
Pidgeon R. T.,
Johnson M. R. W.
(1974) Precambrian and Palaeozoic pegmatites in the Moines of northern Scotland. Jl geol Soc Lond 130:493–507.
OpenUrl CrossRef

[83] Van Breemen O.,

[84] Pidgeon R. T.,

[85] Johnson M. R. W.

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Stratigraphy and structure of the western Moine and the problem of Moine orogenesis

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Stratigraphy and structure of the western Moine and the problem of Moine orogenesis

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Stratigraphy and structure of the western Moine and the problem of Moine orogenesis

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