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

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Melanite, etc.

Allt a'Mhuillin Quarry, Loch Borralan Complex, Assynt, North， West and Central Sutherland, Highland, Scotland, UK

Melanite, etc.

Allt a'Mhuillin Quarry, Loch Borralan Complex, Assynt, North， West and Central Sutherland, Highland, Scotland, UK

Melanite, etc.

Allt a'Mhuillin Quarry, Loch Borralan Complex, Assynt, North， West and Central Sutherland, Highland, Scotland, UK

Melanite, etc.

Allt a'Mhuillin Quarry, Loch Borralan Complex, Assynt, North， West and Central Sutherland, Highland, Scotland, UK

Melanite, etc.

Allt a'Mhuillin Quarry, Loch Borralan Complex, Assynt, North， West and Central Sutherland, Highland, Scotland, UK

Melanite, etc.

Allt a'Mhuillin Quarry, Loch Borralan Complex, Assynt, North， West and Central Sutherland, Highland, Scotland, UK

Melanite, etc.

Allt a'Mhuillin Quarry, Loch Borralan Complex, Assynt, North， West and Central Sutherland, Highland, Scotland, UK

Melanite, etc.

Allt a'Mhuillin Quarry, Loch Borralan Complex, Assynt, North， West and Central Sutherland, Highland, Scotland, UK

Locality type:

Volcanic Complex

Classification

Species:

Andradite

Formula:

Ca₃Fe₂³⁺(SiO₄)₃

Confirmation

Validity:

Believed Valid

Data

Mineral Data:

Click here to view Andradite 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:

1416199

Long-form Identifier:

1:3:1416199:1

GUID (UUID V4):

9607698d-9766-4ffd-b65b-1d25bd3e9b66

Localities for Andradite in this Region

Allt a'Mhuillin Gorge, Loch Borralan Complex, Assynt, North, West and Central Sutherland, Highland, Scotland, UK

Allt a'Mhuillin Quarry, Loch Borralan Complex, Assynt, North, West and Central Sutherland, Highland, Scotland, UK

Ledmore river outcrop, Loch Borralan Complex, Assynt, North, West and Central Sutherland, Highland, Scotland, UK

Nearest other occurrences of Andradite

2.8km (1.7 miles)

ⓘ Allt a'Mhuillin Quarry, Loch Borralan Complex, Assynt, North， West and Central Sutherland, Highland, Scotland, UK

3.5km (2.2 miles)

ⓘ Allt a'Mhuillin Gorge, Loch Borralan Complex, Assynt, North， West and Central Sutherland, Highland, Scotland, UK

5.3km (3.3 miles)

ⓘ Loch Ailsh Complex, North， West and Central Sutherland, Highland, Scotland, UK

15.7km (9.8 miles)

ⓘ Assynt Minor Intrusions, Assynt, North， West and Central Sutherland, Highland, Scotland, UK

24.6km (15.3 miles)

ⓘ Achmelvich dike, North， West and Central Sutherland, Highland, Scotland, UK

References

Shand, S. J. (1910). On borolanite and its associates in Assynt. Transactions of the Edinburgh Geological Society, 9, 202-215 (preliminary communication), 376-419 (second communication). doi.org/10.1144/transed.9.3.202

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)

	Styles, Michael T., Gunn, Andrew G., Rollin, Keith E. (2004) A preliminary study of PGE in the Late Caledonian Loch Borralan and Loch Ailsh alkaline pyroxenite-syenite complexes, north-west Scotland. Mineralium Deposita, 39 (2) 240-255 doi:10.1007/s00126-003-0404-x	Journal (article/letter/editorial)
	Caledonian Loch Borralan and Loch Ailsh alkaline pyroxenite-syenite complexes, north-west Scotland Received:...2004 Abstract The Siluro-Ordovician Loch Borralan (c. 430 Ma) and Loch Ailsh Complexes (c. 439 Ma) comprise...melasyenites to quartz syenites. The rock suite at Loch Borralan also includes nepheline syenite. Geochemical...are alkaline, with pronounced enrichments in LILE and LREE relative to contemporaneous calc-alkaline magmatic...characteristics. The Loch Borralan Complex is associated with marginal gravity and magnetic anomalies which
	*Gunn, A. G., Styles, M. T. (2002) Platinum-group element occurrences in Britain: magmatic, hydrothermal and supergene. Applied Earth Science, 111 (1) 2-14 doi:10.1179/aes.2002.111.1.2*	Journal (article/letter/editorial)
	occurrences in Britain: magmatic, hydrothermal and supergene A. G. Gunn and M. T. Styles Synopsis In-situ platinum-group...element-bearing mineralization of magmatic, hydrothermal and near-surface origin occurs widely in Britain. In...minerals and other phases that contain platinum-group elements (PGE) have been found in overburden and stream...Caledonian mafic–ultramafic intrusions of northeast Scotland have been a major target of investigations by...identified in the Knock intrusion and at Arthrath, near Ellon, in contaminated and xenolithic gabbroic rocks
	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.
	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
	*(2003) The Journal of Gemmology* Vol. 28 (6) Gem-A**	Journal (issue)
	The Joumal of Gemmological Association and Gem Testing Laboratory of Great Britain 27 Greville Street...Green, North West - D. M. Brady, Scottish - B. Jackson, South East - C.H. Winter, South West - R.M. Slater... Multi-star quartzes from Sri Lanka Dr Karl Schmetzer1 and Maximilian Glas2 1. Taubenweg 16, D-85238 Petershausen...light bands may be present in quartzes with more complex multi-star networks. 321 Introduction A steriated...parallel to the basal plane (see e.g. Goldschmidt and Brauns, 1911; Kalkowsky, 1915). The centre of this

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

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