Moreton, S.; Green, D. I. and Tindle, A. G.
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Hollandite and cryptomelane occur as intergrown botryoidal masses with goethite in a quartz vein hosted by the Leinster Granite at Cloghleagh Mine, near Blessington, Co. Wicklow. Coronadite and romanÃ¨chite accompany pyromorphite in an oxidised Pb–Znï¿½quartz vein at Old Luganure Mine, Glendasan, also in the Leinster Granite. Quantitative analyses show the Cloghleagh material to consist of bands of varying K:Ba ratio ranging from cryptomelane (K > Ba) to hollandite (Ba > K), but neither approaches end member composition. The Luganure material is mostly coronadite of near Pb-end member composition, in some cases mixed, or intergrown with, romanÃ¨chite.
|Item Type:||Journal Article|
|Copyright Holders:||2006 Royal Irish Academy|
|Academic Unit/Department:||Science > Environment, Earth and Ecosystems|
|Interdisciplinary Research Centre:||Centre for Earth, Planetary, Space and Astronomical Research (CEPSAR)|
|Depositing User:||Elizabeth Lomas|
|Date Deposited:||23 Feb 2009 15:45|
|Last Modified:||25 Jan 2011 07:19|
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