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Constraining fluid mixing processes at the Irish-type Lisheen and Navan Zn-Pb orebodies: preliminary evidence from clumped C-O isotopes
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| Title: | Constraining fluid mixing processes at the Irish-type Lisheen and Navan Zn-Pb orebodies: preliminary evidence from clumped C-O isotopes | Authors: | Hollis, Steven P.; Menuge, Julian; Dennis, Paul; Güven, John; et al. | Permanent link: | http://hdl.handle.net/10197/8139 | Date: | 4-Sep-2016 | Online since: | 2016-11-21T16:08:20Z | Abstract: | Our research has applied the clumped O-C isotope technique to the Irish Zn-Pb ore field. Preliminary clumped C-O data will be presented from the Lisheen Zn-Pb orebody (22.3 Mt mined at 11.7% Zn and 2.0% Pb) [4] along with fluid inclusion data . Samples were analysed from all main carbonate generations across the deposit , including: regional dolomite (D 1), dark grey to black pre-ore hydrother mal dolomite (D 2 ; also known as black-matrix breccia), medium-to-coarse-grained ore-stage white ferroan dolomite (D 3 ; white-matrix breccia) , late veins of ferroan dolomite (D4) and white calcite (C4), post-ore crosscutting pink saddle dolomite (D 5), and post-ore white blocky calcite (C 6). We will discuss existing metallogenetic models for the Lisheen deposit and the potential for clumped C-O analysis to constrain fluid flow pathways and mixing processes, and as a tool for mineral exploration . | Funding Details: | European Commission - European Regional Development Fund Science Foundation Ireland |
Type of material: | Conference Publication | Keywords: | Zinc ores; Lead ores; Isotopes; Clumping | Other versions: | http://www.35igc.org/ | Language: | en | Status of Item: | Peer reviewed | Conference Details: | International Geological Congress, Cape Town, South Africa, 27th August - 04th September 2016 | This item is made available under a Creative Commons License: | https://creativecommons.org/licenses/by-nc-nd/3.0/ie/ |
| Appears in Collections: | Earth Sciences Research Collection ICRAG Research Collection |
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