Perthite from
Loch Borralan Complex, Assynt, North， West and Central Sutherland, Highland, Scotland, UK

Locality type:

Volcanic Complex

Classification

Species:

Feldspar Group var: Perthite

Confirmation

Validity:

Believed Valid

Data

Mineral Data:

Click here to view Perthite data

Locality Data:

Click here to view Loch Borralan Complex, Assynt, North， West and Central Sutherland, Highland, Scotland, UK

Data Identifiers

Mindat Occurrence Record ID:

1416358

Long-form Identifier:

1:3:1416358:2

GUID (UUID V4):

b78c9e59-419f-414c-a3c8-797cd6a5c3aa

Nearest other occurrences of Perthite

48.6km (30.2 miles)

ⓘ Cnoc nan Cuilean Intrusion, Loch Loyal Complex, North， West and Central Sutherland, Highland, Scotland, UK

49.3km (30.7 miles)

ⓘ Beinn Laoghal, Loch Loyal Complex, North， West and Central Sutherland, Highland, Scotland, UK

54.8km (34.0 miles)

ⓘ Benn Stumanadh occurrence, Loch Loyal Complex, North， West and Central Sutherland, Highland, Scotland, UK

References

Shand, S. J. (1939). Loch Borolan laccolith, northwest Scotland. The Journal of Geology, 47(4), 408-420. doi.org/10.1086/624788

Tilley, C. E. (1958). Some new chemical data on assemblages of the Assynt Alkali Suite. Transactions of the Edinburgh Geological Society, 17(2), 156-164. doi.org/10.1144/transed.17.2.156

Miller, J. A., & Brown, P. E. (1965). Potassium–argon age studies in Scotland. Geological Magazine, 102(2), 106-134. doi.org/10.1017/S0016756800057459

Parsons, I. (1965). The sub-surface shape of part of the Loch Ailsh intrusion, Assynt, as deduced from magnetic anomalies across the contact, with a note on traverses across the Loch Borralan complex. Geological Magazine, 102(1), 46-58. doi.org/10.1017/S0016756800053863

Woolley, A. R. (1965). The Loch Borralan alkaline igneous complex (Doctoral dissertation, Royal Holloway, University of London).

Brown, P. E., Miller, J. A., & Grasty, R. L. (1968). Isotopic ages of late Caledonian granitic intrusions in the British Isles. Proceedings of the Yorkshire Geological Society, 36(3), 251-276. doi.org/10.1144/pygs.36.3.251

Woolley, A. R. (1970). The structural relationships of the Loch Borrolan complex, Scotland. Geological Journal, 7(1), 171-182. doi.org/10.1002/gj.3350070110

Parsons, I. (1972). Comparative petrology of the leucocratic syenites of the Northwest Highlands of Scotland. Geological Journal, 8(1), 71-82. doi.org/10.1002/gj.3350080107

Woolley, A. R., Symes, R. F., & Elliott, C. J. (1972). Metasomatized (fenitized) quartzites from the Borralan Complex, Scotland. Mineralogical Magazine, 38(299), 819-836. doi.org/10.1180/minmag.1972.038.299.06

Woolley, A. R. (1973). The pseudoleucite borolanites and associated rocks of the south-eastern tract of the Borralan complex, Scotland. British Museum (Natural History), Mineralogy, 2, 285-333.

Matthews, D. W., & Woolley, A. R. (1977). Layered ultramafic rocks within the Borralan Complex, Scotland. Scottish Journal of Geology, 13(3), 223-236. doi.org/10.1144/sjg13030223

Martin, R. F., Whitley, J. E., & Woolley, A. R. (1978). An investigation of rare-earth mobility: fenitized quartzites, Borralan Complex, NW Scotland. Contributions to Mineralogy and Petrology, 66(1), 69-73. doi.org/10.1007/BF00376086

Van Breemen, O., Aftalion, M., & Johnson, M. R. W. (1979). Age of the Loch Borrolan complex, Assynt, and late movements along the Moine Thrust Zone. Journal of the Geological Society, 136(4), 489-495. doi.org/10.1144/gsjgs.136.4.0489

Notholt, A. J. G., Highley, D. E., & Harding, R. R. (1985). Investigation of phosphate (apatite) potential of Loch Borralan igneous complex, northwest Highlands, Scotland. Transactions of the Institution of Mining and Metallurgy. Section B. Applied earth science, 94, 58-65.

Thirlwall, M. F., & Burnard, P. (1990). Pb-Sr-Nd isotope and chemical study of the origin of undersaturated and oversaturated shoshonitic magmas from the Borralan pluton, Assynt, NW Scotland. Journal of the Geological Society, 147(2), 259-269. doi.org/10.1144/gsjgs.147.2.0259

Young, B. N., Parsons, I., & Threadgould, R. (1994). Carbonatite near the Loch Borralan intrusion, Assynt. Journal of the Geological Society, 151(6), 945-954. doi.org/10.1144/gsjgs.151.6.0945

Searle, M. P., Law, R. D., Dewey, J. F., & Streule, M. J. (2010). Relationships between the Loch Ailsh and Borralan alkaline intrusions and thrusting in the Moine Thrust zone, southern Assynt culmination, NW Scotland. Geological Society, London, Special Publications, 335(1), 383-404. doi.org/10.1144/SP335.18

Reference Search (possible matching items)

	*Parsons, I. (2007) Comparative petrology of the leucocratic syenites of the Northwest Highlands of Scotland. Geological Journal, 8 (1) 71-82 doi:10.1002/gj.3350080107*	Journal (article/letter/editorial)
	Highlands of Scotland The normative mineralogy of the Loch Borralan, Loch Ailsh and Loch Loyal Ieucosyenites...Ieucosyenites is compared to thesystem Ab Or An - Qz. At Borralan, the upper quartz-syenitesofcnoc-na-Sroine plot...depth, and are not precisely coeval. - - 1. Introduction The two alkaline plutons in the Assynt region...region of Northwest Scotland, the Loch Ailsh and Loch Borralan intrusions, are separated on the ground by...by the Assynt thrust (Fig. 1). This dislocation, the southern continuation of the Glencoul and Ben More
	Thompson, R. N., Fowler, M. B. (1986) Subduction-related shoshonitic and ultrapotassic magmatism: a study of Siluro-Ordovician syenites from the Scottish Caledonides. Contributions to Mineralogy and Petrology, 94 (4) 507-522 doi:10.1007/bf00376342	Journal (article/letter/editorial)
	Contributions to Mineralogy and Petrology Contrib Mineral Petrol (1986) 94:507-522 9 Springer-Verlag...Springer-Verlag 1986 Subduction-related shoshonitic and ultrapotassic magmatism: a study of Siluro-Ordovician syenites...Caledonides R.N. Thompson and M.B. Fowler Department of Geology, Imperial College of Science and Technology, London...London, SW7 2BP, UK Abstract. Syenites are important or predominant components of several plutonic complexes...complexes, emplaced between 456 and 415 Ma along the N W margin of the Caledonian orogenic belt, adjacent
	Fowler, M.B., Kocks, H., Darbyshire, D.P.F., Greenwood, P.B. (2008) Petrogenesis of high Ba–Sr plutons from the Northern Highlands Terrane of the British Caledonian Province. Lithos, 105 (1) 129-148 doi:10.1016/j.lithos.2008.03.003	Journal (article/letter/editorial)
	Earth and Environmental Sciences, University of Portsmouth, Burnaby Road, Portsmouth PO1 3QL, UK Drostestrasse...Geosciences Laboratory, Keyworth, Nottingham NG12 5GG, UK A R T I C L E I N F O Article history: Received...granites and syenites is intruded into the Caledonian terrane of the Northern Highlands of Scotland. Volumetrically...considerable range of compositions from ultramaﬁc and maﬁc to granitic and syenitic. Most intrude Proterozoic Moine...are exposed within the Moine Thrust Zone in the west, beyond which lies the Archaean Lewisian foreland
	Woolley, Alan Robert (1973) The Pseudoleucite Borolanites and associated rocks of the South-Eastern tracts of the Borralan Compex, Scotland. Bulletin of the British Museum (Natural History) - Mineralogy Vol. 2 (6) The British Museum (Natural History)	Journal (issue)
	BOROLANITES AND ASSOCIATED ROCKS OF THE SOUTH-EASTERN TRACT OF THE BORRALAN COMPLEX, SCOTLAND A. R. WOOLLEY...BOROLANITES AND ASSOCIATED ROCKS OF THE SOUTH-EASTERN TRACT OF THE BORRALAN COMPLEX, SCOTLAND BY ALAN...corresponding to the Departments of the Museum, and an Historical series. Parts will appear at irregular...will contain about three or four hundred pages, and will not necessarily be completed within one calendar...BOROLANITES AND ASSOCIATED ROCKS OF THE SOUTH-EASTERN TRACT OF THE BORRALAN COMPLEX, SCOTLAND By A. R.
	Johnstone, G. S., Mykura, W. (1989) British Regional Geology, Scotland: The Northern Highlands (4th ed.) Geological Survey and Museum	Report (edition)
	Geo·logy ■ I of Scotland FOURTH EDITION Front cover Suilven Sutherland. 'Rocky Ridge and boggy hollow~...sequence. We look north-east from near Kylesku across Loch Glencoul to Aird na Loch. (D2820) (frontispiece)...The Northern Highlands of Scotland FOURTH EDITION G S Johnstone, BSc and W Mykura, DSc NOTTINGHAM,...available from the BGS Sales Desks at Nottingham and Edinburgh; see contact details below or shop online...including maps for consultation. Murchison House, West Mains Road, Edinburgh EH9 31.A ~ 01316671000 Fax
	Mitchell, Roger H., Platt, R. Garth (1979) Nepheline-bearing rocks from the Poohbah Lake complex, Ontario: Malignites and Malignites. Contributions to Mineralogy and Petrology, 69 (3) 255-264 doi:10.1007/bf00372328	Journal (article/letter/editorial)
	C o n t r i b u t i o n s to Mineralogy and Petrology Contrib. Mineral. Petrol. 69, 255-264 (1979)...From the Poohbah Lake Complex, Ontario: Malignites and MaUgnites Roger H. Mitchell and R. Garth Platt Department...Poohbah Lake complex of northwestern Ontario, Canada are melanocratic cumulates. Cumulus pyroxene and apatite...groundmass of large plates of intercumulus orthoclase and nepheline. Nephelinefeldspar fingerprint-like intergrowths...Nephelines are commonly zeolitized and pyroxenes altered to aggregates of biotite and/or garnet by deuteric alteration
	*Craig, Gordon Y. - Ed.* (1983) Geology of Scotland (2nd ed.) John Wiley & Sons, Inc., Edinburgh.**	Book (edition)
	LlBR-ARY WHITMAN f;OJ I l[ii • , GEOLOGY OF SCOTLAND GEOLOGY OF • SECOND EDITION Edited by G....Geology of Scotland '' A Halsted Press book." Includes bibliographies and index. I. Geology-Scotland. I. Craig...QE264.G43 1983 554.11 83-12223 Design, typography and lay-out by: T. L. Jenkins, Edinburgh Printed in Great...AUTHORS Xl PREFACE and ACKNOWLEDGEMENTS I. THE GROWTH AND ST RUCTURE OF SCOTLAND The formation of the...Caledonides Ophiolites and flysch Granites Late Caledonian Molasse and structure Sedimentation and volcanicity The
	McIntosh, R. P., Hyslop, E. K., MacTaggart, F., Cullen, T., Rayner, J. (2004) Economic minerals of Scotland - bedrock of Scotland's economic development. Information Management and Services Internal Report IR/04/001. British Geological Survey	Report (issue)
	minerals of Scotland – bedrock of Scotland's economic development. Information Management and Services Internal...INTERNAL REPORT IR/04/001 Economic minerals of Scotland bedrock of Scotland's economic development. R...F. MacTaggart, T. Cullen, J. Rayner Key words Scotland, mineral resources Bibliographical reference R... Cullen, J. Rayner. 2004 Economic minerals of Scotland - bedrock of Scotland's economic development....available from the BGS Sales Desks at Nottingham and Edinburgh; see contact details below or shop online
	*Parsons, Ian, Boyd, Rognvald (1971) Distribution of potassium feldspar polymorphs in intrusive sequences. Mineralogical Magazine, 38 (295) 295-311 doi:10.1180/minmag.1971.038.295.03*	Journal (article/letter/editorial)
	intrusive sequences IAN PARSONS AND ROGNVALD BOYD Department of Geology and Mineralogy, Marischal College...College, Aberdeen, AB9 IAS, Scotland SUMMARY. K-feldspar variation is described for four salic plutonic igneous...syenite (Loch Ailsh), potassic syenites (Loch Loyal), a peralkaline syenite and soda granite complex (Puklen)...(Puklen), and a calc-alkaline pluton (Foyers). Additional data are given for examples from the literature...structure at the time of initial crystal growth and dictate whether microcline will develop on cooling
	*Harris, A. L., Holland, C. H., Leake, B. E. - Eds.* (1979) The Caledonides of The British Isles - Reviewed. The Geological Society of London, London.**	Book
	7073 0257 9 Text set in 9/10 pt VIP Times, printed and bound in Great Britain at The Pitman Press, Bath... NICHOLSON, R. Caledonian correlations: Britain and Scandinavia H1GGINS, A. K. & PHILLIPS, W. E. A. East...Canadian Appalachians into the Caledonides of Britain and Ireland 2. 33 BASEMENT-COVER RELATIONSHIPS WATSON...Britain 93 SANDERS,I. S. Observations on eclogite- and granulite-facies rocks in the basement of the Caledonides...Regional geochemistry of the Northern Highlands of Scotland 117 BREWER,M. S., BROOK,M. & POWELL,D. Dating

Perthite from Loch Borralan Complex, Assynt, North， West and Central Sutherland, Highland, Scotland, UK

Perthite from
Loch Borralan Complex, Assynt, North， West and Central Sutherland, Highland, Scotland, UK