Search Results - "O’Driscoll, Brian"

The Formation of Chromite Chains and Clusters in Igneous Rocks by Holness, Marian B, Vukmanovic, Zoja, O’Driscoll, Brian

“…Crystal clusters are common in both extrusive and plutonic rocks, but the mechanisms by which they form are not well-constrained. Following a consideration of…”
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Lateral variations in the Unit 7–8 boundary zone of the Rum Eastern Layered Intrusion, NW Scotland: implications for the origin and timing of Cr-spinel seam formation by Kaufmann, Felix E. D., O’Driscoll, Brian, Hecht, Lutz

“…The Rum Layered Suite, NW Scotland, hosts Cr-spinel seams at the bases of peridotite–troctolite macro-rhythmic units in the eastern portion of the intrusion…”
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Magma Plumbing Systems: A Geophysical Perspective by Magee, Craig, Stevenson, Carl T E, Ebmeier, Susanna K, Keir, Derek, Hammond, James O S, Gottsmann, Joachim H, Whaler, Kathryn A, Schofield, Nick, Jackson, Christopher A-L, Petronis, Michael S, O’Driscoll, Brian, Morgan, Joanna, Cruden, Alexander, Vollgger, Stefan A, Dering, Greg, Micklethwaite, Steven, Jackson, Matthew D

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Melt Percolation, Melt-Rock Reaction and Oxygen Fugacity in Supra-Subduction Zone Mantle and Lower Crust from the Leka Ophiolite Complex, Norway by O’Driscoll, Brian, Leuthold, Julien, Lenaz, Davide, Skogby, Henrik, Day, James M, Adetunji, Jacob

“…Samples of peridotites and pyroxenites from the mantle and lower crustal sections of the Leka Ophiolite Complex (LOC; Norway) are examined to investigate the…”
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Towards a model for the in situ origin of PGE reefs in layered intrusions: insights from chromitite seams of the Rum Eastern Layered Intrusion, Scotland by Latypov, Rais, O’Driscoll, Brian, Lavrenchuk, Andrey

“…The current debate on the origin of platinum-group element (PGE) reefs in layered intrusions centres mostly on gravity settling of sulphide liquid from…”
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Incremental Construction of the Unit 10 Peridotite, Rum Eastern Layered Intrusion, NW Scotland by Hepworth, Luke N., O’Driscoll, Brian, Gertisser, Ralf, Daly, J. Stephen, Emeleus, C. Henry

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Linking In Situ Crystallization and Magma Replenishment via Sill Intrusion in the Rum Western Layered Intrusion, NW Scotland by Hepworth, Luke N, O’Driscoll, Brian, Gertisser, Ralf, Daly, J Stephen, Emeleus, C Henry

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Petrogenesis of the anorthosite-chromitite association: crystal-chemical and petrological insights from the Rum Layered Suite, NW Scotland by Lenaz, Davide, O’Driscoll, Brian, Princivalle, Francesco

“…Thirteen Cr-bearing spinels from major horizons of magma replenishment in the open-system Rum Layered Suite have been analysed by X-ray single crystal…”
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Cr-spinel Seam Petrogenesis in the Rum Layered Suite, NW Scotland: Cumulate Assimilation and in situ Crystallization in a Deforming Crystal Mush by O’Driscoll, Brian, Emeleus, C. Henry, Donaldson, Colin H., Daly, J. Stephen

“…Laterally extensive (∼2 mm thick) Cr-spinel seams in the Rum Layered Suite, NW Scotland, occur at the bases of several of the coupled peridotite–troctolite…”
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Generations of Melt Extraction, Melt–Rock Interaction and High-Temperature Metasomatism Preserved in Peridotites of the ∼497 Ma Leka Ophiolite Complex, Norway by O’Driscoll, Brian, Walker, Richard J., Day, James M. D., Ash, Richard D., Daly, J. Stephen

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Sintering as a key process in the textural evolution of chromitite seams in layered mafic-ultramafic intrusions by Hunt, Emma J, O'Driscoll, Brian, Day, James M. D

“…Nearly monomineralic stratiform chromitite seams of variable thickness (millimeters to meters) occur in many of the world's layered mafic-ultramafic…”
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Chemical heterogeneity in the upper mantle recorded by peridotites and chromitites from the Shetland Ophiolite Complex, Scotland by O'Driscoll, Brian, Day, James M.D., Walker, Richard J., Daly, J. Stephen, McDonough, William F., Piccoli, Philip M.

“…The timing, causes and extent of mantle heterogeneity preserved in the ∼492Ma Shetland Ophiolite Complex (Scotland) are evaluated using Re–Os isotope and whole…”
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Partial Melting of Lower Oceanic Crust Gabbro: Constraints From Poikilitic Clinopyroxene Primocrysts by Leuthold, Julien, Lissenberg, C. Johan, O'Driscoll, Brian, Karakas, Ozge, Falloon, Trevor, Klimentyeva, Dina N., Ulmer, Peter

“…Successive magma batches underplate, ascend, stall and erupt along spreading ridges, building the oceanic crust. It is therefore important to understand the…”
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An alternative emplacement model for the classic Ardnamurchan cone sheet swarm, NW Scotland, involving lateral magma supply via regional dykes by Magee, Craig, Stevenson, Carl, O'Driscoll, Brian, Schofield, Nick, McDermott, Ken

“…Sub-volcanic intrusive networks, of which cone sheets are recognised as a major constituent, partially control volcano growth and eruption style. The accepted…”
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Identification of mantle peridotite as a possible Iapetan ophiolite sliver in south Shetland, Scottish Caledonides by Day, James M. D, O'Driscoll, Brian, Strachan, Rob A, Daly, J. Stephen, Walker, Richard J

“…The Neoproterozoic Dunrossness Spilite Subgroup of south Shetland, Scotland, has been interpreted as a series of komatiitic and mafic lava flows formed in a…”
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The roles of melt infiltration and cumulate assimilation in the formation of anorthosite and a Cr-spinel seam in the Rum Eastern Layered Intrusion, NW Scotland by O'Driscoll, Brian, Donaldson, Colin H., Daly, J. Stephen, Emeleus, C. Henry

“…Thin (~ 2 mm) Cr-spinel seams are present at the bases of several of the coupled peridotite–troctolite units that comprise the Rum Eastern Layered Intrusion…”
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Mineral Lamination Development in Layered Gabbros of the British Palaeogene Igneous Province: A Combined Anisotropy of Magnetic Susceptibility, Quantitative Textural and Mineral Chemistry Study by O’Driscoll, Brian, Stevenson, Carl T. E., Troll, Valentin R.

“…Quantitative textural analyses including anisotropy of magnetic susceptibility (AMS) and crystal size distribution measurements were combined with detailed…”
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Braided peridotite sills and metasomatism in the Rum Layered Suite, Scotland by Hepworth, Luke N., Kaufmann, Felix E. D., Hecht, Lutz, Gertisser, Ralf, O’Driscoll, Brian

“…The Rum Eastern Layered Intrusion (ELI; Scotland) is an open-system layered intrusion constructed of 16 macro-rhythmic units. Each of the macro-rhythmic units…”
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Rapid crystallization of precious-metal-mineralized layers in mafic magmatic systems by Hepworth, Luke N., Daly, J. Stephen, Gertisser, Ralf, Johnson, Chris G., Emeleus, C. Henry, O’Driscoll, Brian

“…The solidified remnants of mafic magmatic systems host the greatest concentrations of platinum-group metals in the Earth’s crust. Our understanding of…”
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Emplacement of the Rocche Rosse rhyolite lava flow (Lipari, Aeolian Islands) by Bullock, Liam A., Gertisser, Ralf, O’Driscoll, Brian

“…The Rocche Rosse lava flow marks the most recent rhyolitic extrusion on Lipari island (Italy), and preserves evidence for a multi-stage emplacement history…”
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