Search Results - "Menuge, J F"

Zn, Fe and S isotope fractionation in a large hydrothermal system by Gagnevin, D., Boyce, A.J., Barrie, C.D., Menuge, J.F., Blakeman, R.J.

“…The genesis of hydrothermal ore deposits is of crucial economic importance. This study investigates the extent, causes and consequences of zinc and iron…”
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Minor elements in layered sphalerite as a record of fluid origin, mixing, and crystallization in the Navan Zn-Pb ore deposit, Ireland by Gagnevin, D, Menuge, J. F, Kronz, A, Barrie, C, Boyce, A. J

“…This study tests the utility of the minor to trace element composition of sphalerite to discriminate between possible sources of ore-forming fluids, and to…”
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VHMS mineralisation at Erayinia in the Eastern Goldfields Superterrane: Geology and geochemistry of the metamorphosed King Zn deposit by Hollis, S. P., Podmore, D., James, M., Menuge, J. F., Doran, A. L., Yeats, C. J., Wyche, S.

“…Despite having been a target for volcanic-hosted massive sulfide (VHMS) deposits since the 1960s, few resources have been defined in the Archean Yilgarn Craton…”
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Andesite petrogenesis in the Ordovician Borrowdale Volcanic Group of the English Lake District by fractionation, assimilation and mixing by McConnell, B. J, Menuge, J. F, Hertogen, J

“…A suite of composite basalt-andesite dykes in the Ordovician Borrowdale Volcanic Group of the English Lake District records magmatic evolution from basalt to…”
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Geochemistry of late Mesoproterozoic volcanism in southwestern Scandinavia; implications for Sveconorwegian/Grenvillian plate tectonic models by Brewer, T. S, Ahall, K. I, Darbyshire, D. P. F, Menuge, J. F

“…The last magmatic stage before the Sveconorwegian orogeny in the Baltic Shield is represented by bimodal, c. 1.16 Ga volcanics from the Bandak Group in…”
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Metal sources of the Navan carbonate-hosted base metal deposit, Ireland: Nd and Sr isotope evidence for deep hydrothermal convection by Walshaw, R. D., Menuge, J. F., Tyrrell, S.

“…Nd and Sr isotope analyses are presented for gangue mineral samples from the giant carbonate-hosted Navan Zn-Pb deposit, Ireland, and for rocks from which…”
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Mesoproterozoic bimodal volcanism in SW Norway, evidence for recurring pre-Sveconorwegian continental margin tectonism by Brewer, T.S., Åhäll, K.-I., Menuge, J.F., Storey, C.D., Parrish, R.R.

“…Between ca. 1.3 Ga and the onset of the Sveconorwegian orogeny (ca. 1.0 Ga) in the Baltic Shield, the margin of Baltica was subjected to repeated episodes of…”
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Origin and granite alteration effects of hydrothermal fluid: isotopic evidence from fluorite veins, Co. Galway, Ireland by Menuge, J. F., Feely, M., O'Reilly, C.

“…The Costelloe Murvey Granite is a chemically evolved, high heat production, leucocratic component of the 400 Ma old Galway Granite batholith and is host to…”
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The petrogenesis of massif anorthosites: a Nd and Sr isotopic investigation of the Proterozoic of Rogaland/Vest-Agder, SW Norway by MENUGE, J. F

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Silurian turbidites used to reconstruct a volcanic terrain and its Mesoproterozoic basement in the Irish Caledonides by Menuge, J. F, Williams, D. M, O'Connor, P. D

“…The Lettergesh formation, Co. Galway, Ireland, comprises a 1.5 km thick sequence of turbidites deposited ∼ 430 m.y. ago during closure of the Iapetus Ocean…”
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The Inishkea Division of Northwest Mayo; Dalradian cover rather than pre-Caledonian basement by Kennedy, M. J, Menuge, J. F

“…Pre-Caledonian basement rocks have been recognized structurally beneath the Dalradian cover in NW County Mayo for over 20 years and have more recently been…”
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The impact of iron sulfide on lead recovery at the giant Navan Zn–Pb orebody, Ireland by Barker, G.J., Gerson, A.R., Menuge, J.F.

“…It has been proposed that blending of Navan Conglomerate Group Ore (CGO) with Pale Beds Ore (PBO), the latter which floats well in isolation, results in…”
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Turbidites from the Clew Bay Complex, Ireland: Provenance based on petrography, geochemistry and crustal residence values by Harkin, J, Williams, D M, Menuge, J F, Daly, J S

“…The Clew Bay Complex in the Irish Caledonides represents a Caledonian element separating the Irish-Scottish Dalradian to the north from the South Mayo…”
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Turbidites from the Clew Bay Complex, Ireland: provenance based on petrography, geochemistry and crustal residence values by Harkin, J., Williams, D. M., Menuge, J. F., Daly, J. S.

“…The Clew Bay Complex in the Irish Caledonides represents a Caledonian element separating the Irish–Scottish Dalradian to the north from the South Mayo…”
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Geochemistry of late mesoproterozic volcanism in southwestern scandinavia: Implications of Sveconorwegian/Grenvillian plate tectonic models by Brewer, T S, Ahall, K I, Darbyshire, D P F, Menuge, J F

“…The magmatic stage before the Sveconorwegian orogeny in the Baltic Shield is represented by bimodal, c. 1.16 Ga volcanics from the Bandak Group in Southern…”
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Petrogenesis of metaluminous A-type rhyolites from the St Francois Mountains, Missouri and the Mesoproterozoic evolution of the southern Laurentian margin by Menuge, Julian F, Brewer, Timothy S, Seeger, Cheryl M

“…Predominantly acid volcanic and intrusive rocks of the approximately 1.48 Ga Eastern Granite–Rhyolite Province are exposed only in the St Francois Mountains…”
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Metamorphic overprinting of SmNd isotopic systems in volcanic rocks: the Telemark supergroup, southern Norway by Brewer, Timothy S., Menuge, Julian F.

“…The Telemark Supergroup of southern Norway consists of a series of metamorphosed Mesoproterozoic volcanics and sediments. The volcanic pile records three…”
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Discussion on the Inishkea Division of northwest Mayo: Dalradian cover rather than pre-Caledonian basement (Ireland)--Comment/reply by Max, M D, Winchester, J A, Kennedy, M J, Menuge, J F

“…Max and Winchester comment on Kennedy and Menuge's proposal that the Inishkea Division in the northwest part of the north County Mayo metamorphic inlier in…”
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Discussion on the Inishkea Division of Northwest Mayo; Dalradian cover rather than pre-Caledonian basement; Ireland @discussion and reply by Max, M. D, Winchester, J. A, Kennedy, M. J, Menuge, J. F

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