Trythall, R. J. B., Young, T. P. (1993) Discussion of: ‘A revision of the age of the Hen-dy-capel ooidal ironstone (Ordovician), Llanengan, N. Wales’ by T. P. Young. Geological Journal, 28 (2) 205-210 doi:10.1002/gj.3350280210

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Reference Type	Journal (article/letter/editorial)
Title	Discussion of: ‘A revision of the age of the Hen-dy-capel ooidal ironstone (Ordovician), Llanengan, N. Wales’ by T. P. Young
Journal	Geological Journal
Authors	Trythall, R. J. B.		Author
Authors	Young, T. P.		Author
Year	1993 (June)	Volume	28
Issue	2
Publisher	Wiley
DOI	doi:10.1002/gj.3350280210Search in ResearchGate
	Generate Citation Formats
Mindat Ref. ID	514006	Long-form Identifier	mindat:1:5:514006:4
GUID	0
Full Reference	Trythall, R. J. B., Young, T. P. (1993) Discussion of: ‘A revision of the age of the Hen-dy-capel ooidal ironstone (Ordovician), Llanengan, N. Wales’ by T. P. Young. Geological Journal, 28 (2) 205-210 doi:10.1002/gj.3350280210
Plain Text	Trythall, R. J. B., Young, T. P. (1993) Discussion of: ‘A revision of the age of the Hen-dy-capel ooidal ironstone (Ordovician), Llanengan, N. Wales’ by T. P. Young. Geological Journal, 28 (2) 205-210 doi:10.1002/gj.3350280210
In	(1993, June) Geological Journal Vol. 28 (2) Wiley

	*Young, T. P. (1991) A revision of the age of the hen-dy-capel ooidal ironstone (ordovician), llanengan, N. Wales. Geological Journal, 26 (4) 317-327 doi:10.1002/gj.3350260405*
	Trythall, R. J. B., Eccles, C., Molyneux, S. G., Taylor, W. E. G. (1987) Age and controls of ironstone deposition (Ordovician) North Wales, in African Geology Reviews. Geological Journal, 22. 31-43 doi:10.1002/gj.3350220505
	*Cave, R., Dean, W. T., Hains, B. A. (2007) Age of the ordovician andesitic conglomerate of castle hill, Montgomery, Powys, Wales. Geological Journal, 23 (3) 205-210 doi:10.1002/gj.3350230302*
	*Harper, D. A. T., Brenchley, P. J. (1993) An endemic brachiopod fauna from the Middle Ordovician of North Wales. Geological Journal, 28 (1) 21-36 doi:10.1002/gj.3350280103*
	*Crimes, T. P. (2007) Trace fossils from the cambro-ordovician rocks of North Wales and their stratigraphic significance. Geological Journal, 6 (2) 333-338 doi:10.1002/gj.3350060214*
	*Dixon, R. J. (2007) The ordovician (caradoc) volcanic rocks of montgomery, Powys, N. Wales. Geological Journal, 23 (2) 149-155 doi:10.1002/gj.3350230204*
	*Hawkins, T. R. W. (2007) Structure of the Ordovician succession around Aberdaron, southwest Llŷn, North Wales. Geological Journal, 18 (2) 169-181 doi:10.1002/gj.3350180207*
	*James, D. M. D. (1990) Late Ordovician stratigraphy northwest of the Sugarloaf, mid-Wales — a discussion. Geological Journal, 25 (2) 199-204 doi:10.1002/gj.3350250210*
	Leat, P. T., Thorpe, R. S. (1986) Geochemistry of an ordovician basalt-trachybasalt-subalkaline/peralkaline rhyolite association from the Lleyn Peninsula, North Wales, U.K. Geological Journal, 21 (1) 29-43 doi:10.1002/gj.3350210103
	Leat, P. T., & Thorpe, R. S. (1986). Geochemistry of an ordovician basalt‐trachybasalt‐subalkaline/peralkaline rhyolite association from the Lleyn Peninsula, North Wales, UK. Geological Journal, 21(1), 29-43. doi.org/10.1002/gj.3350210103
	*Brenchley, P. J. (1964) Ordovician ignimbrites in the Berwyn Hills, north Wales. Geological Journal, 4 (1) 43-54 doi:10.1002/gj.3350040104*

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Trythall, R. J. B., Young, T. P. (1993) Discussion of: ‘A revision of the age of the Hen-dy-capel ooidal ironstone (Ordovician), Llanengan, N. Wales’ by T. P. Young. Geological Journal, 28 (2) 205-210 doi:10.1002/gj.3350280210

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