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2 edition of mineralogy and petrology of some granulite facies rocks from the Scourie area, Sutherland. found in the catalog.

mineralogy and petrology of some granulite facies rocks from the Scourie area, Sutherland.

Alan Kerr

mineralogy and petrology of some granulite facies rocks from the Scourie area, Sutherland.

by Alan Kerr

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Published .
Written in English


Edition Notes

Thesis (Ph. D.)--The Queen"s University of Belfast, 1974.

The Physical Object
Pagination1 v
ID Numbers
Open LibraryOL19187674M

  Rocks examined in this study are from the Torridon high-strain zone (Wheeler, ) in the southern high-strain, amphibolite-facies region (Fig. 1a, inset).This inlier consists of high-strain zones that separate low-strain lacunae (Wheeler et al., ).In the low-strain zones an older location fabric (Turner & Weiss, ) or metamorphic banding is present, which may have resulted from Cited by: 3. Ranges of K/Rb ratios in some stable phases in the Tiree granulite facies rocks are given in Table V. TABLE V Some values for K/Rb ratios in K- and Rb-bearing minerals present in the granulite facies rocks of Tiree K-feldspar Plagioclase Hornblende Heier () - White () - - Hart et al. - ( Cited by:

(). Pyroxene geothermometry of some granulite facies rocke. (). pyroxene thermometry in simple and complex grstems. (). Quartz diorites derived by the partial melting of eclogite or amphibolite at mantle depths. (). Rare earth distributions in some rocks and associated minerals of the batholith of Southern California. ().Author: Hugh R. Rollinson. The Mogok area in Myanmar (Burma) is known since historic times as a source for some of the finest rubies and spinels in the world. In this study, we focus on in-situ U–Pb geochronological analyses of zircon and zirconolite, either present as inclusions in gem-quality ruby and spinel or as accessory minerals in ruby- and spinel-bearing marble and adjacent granulite facies : Myint Myat Phyo, Hao A.O. Wang, Marcel Guillong, Alfons Berger, Leander Franz, Walter A. Balmer, Mic.

Petrology and genesis of the Vavdos Cryptocrystalline Magnesite deposits, Chalkidiki Peninsula, Northern Greece. Economic Geology, 75, 3 DICK, H.J.B., MARSH, N.G. & BULLEN, T.D. Deep Sea Drilling Project Leg 58 Abyssal Basalts from the Shikoku Basin: their petrology and major-element geochemistry.   Mineralogy Basics definition of mineral properties of minerals Please subscribe for geology concepts videos and exam preparation videos Youtube link: https.


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Mineralogy and petrology of some granulite facies rocks from the Scourie area, Sutherland by Alan Kerr Download PDF EPUB FB2

Mineralogy, petrology mineralogy and petrology of some granulite facies rocks from the Scourie area geochemistry of the Scourie dykes: some pertinent features of the Scourie dykes, occurs in the central Scourie-Assynt granulite zone.

The dykes are wider here and it is also where most of the more ultramafic dyke-types occur and where country rock temperatures were. This book on minerals has been assembled by a geologist who has taught elementary mineralogy for several decades. The presentation of mineralogical information in this book builds from atomistic components, thorough geochemical principles, to the formation of crystal structures and crystallization processes in Part /5(2).

The majority of these studies focused on metamorphosed mafic and ultramafic rocks from the Scourie area for which various different conventional thermobarometers were employed. P–T estimates range from 7 to 9 kbar and ~–°C (Muecke, ; Rollinson, ) to Cited by: 9.

Phase equilibrium constraints on conditions of granulite-facies metamorphism at Scourie, NW Scotland January Journal of the Geological Society (1) Abstract. Rocks of the granulite facies of metamorphism occupy a central role in discussions of petrogenesis of the crust.

Almost all well-studied examples are Precambrian, which has suggested to many workers that metamorphic temperature regimes operating in the remote geological past were higher than are characteristic of more recent by: Download Citation | Metamorphic Facies and the Metamorphism of Mafic Rocks | Essentials of Igneous and Metamorphic Petrology - by B.

Ronald Frost October | Find, read and cite all the. The petrogenesis of bronzite-picrite, olivine-gabbro, norite and quartz-tholeiite dykes, which make up the b.y. Scourie dyke swarm cutting the Archaean Lewisian gneisses of N.W. Scotland, is Cited by: Although there are no granulite-facies assemblages present around the Shieldaig Shear Zone (Fig.

1a) (Park (Park, Kinny et al. ), there is a domain of Badcallian fabric which has. On the interpretation of retrograde reaction textures in granulite facies rocks Article in Journal of Metamorphic Geology 29(1) - October with Reads How we measure 'reads'.

Scourie Dykes On the northern side of the Scouriemore peninsula lies the cemetery. Passing beneath it and appearing in a small bay to the west is the so-called "graveyard dyke", one of the Scourie dyke suite, formed when mafic magma filled a vertical crack in the Earth's crust. Geochemical investigations in the Utralanama Block, an intermediate pressure granulite facies terrain in the Arunta Block, central Australia, has revealed several anomalous features, not consistent with the depletion of granitophile components generally considered to accompany granulite facies metamorphism.

However, other geochemical features are indicative of by:   The low abundances of large ion lithophile elements (LIL), K, Rb, U, Th, Cs, and high K/Rb ratio in rocks varying in composition from gabbro to granite in the Scourian complex, NW Scotland, are interpreted as due to depletion during granulite facies metamorphism.

Depletion was controlled by the mineralogy of the rock, the composition of the associated fluid phase and its volume relative to Cited by:   The major rock-forming mineral phases (pyroxenes, plagioclase, garnet, hornblende) of a suite of granulite-facies gneisses from the Scourian complex, NW Scotland, have been analyzed for their rare earth element (REE) content.

Although host rock compositions range from felsic to ultramafic, REE abundances and patterns for each mineral group show only limited by: The calculated stability fields for the observed assemblages in each rock overlap and imply conditions of – kbar and – °C for the peak of granulite-facies (Badcallian) metamorphism.

The lack of any evidence for the former presence of garnet in the metapyroxenite suggests that the rocks cannot have reached pressures much in Cited by: Scourie Dykes of the Scottish Highlands with Tom Baker Novem Janu Christopher Spencer The Lewisian Gneiss Complex of the Scottish highlands is of great historical significance and remains a textbook example of how lower-crustal processes can operate, and of how sound field observations can unravel the geological history.

Mesoperthites from hypersolvus granites with granulite-facies mineralogy, from the Scourian complex between Badcall and Scourie, have an average bulk composition of (AbOr)88An   However, wide-scale partial melting of metapelitic rocks, metagreywacke and K-rich meta-igneous rocks via reactions consuming biotite generally requires granulite-facies conditions, with temperatures in excess of °C (e.g.

White et al., ; Watkins et al., ; Johnson et al., ).Cited by: Other researchers preferred a situation in which granulites were formed from low-grade granite-greenstone precursors as the result of the low-pressure transformation of amphibolite facies rocks into garnet-free charnockites, a process that resulted from the influx of CO 2 at constant pressure and temperature (Janardhan et al., ; Newton.

The Lewisian of north-west Scotland is an eastern extension of the North Atlantic Craton and is probably the most intensively studied Precambrian gneiss terrain in the world.

Recent reviews of Cited by: the snappy title of ‘Selected studies of the mineralogy of granulite facies gneisses, Scourie Bay, Sutherland, NW Scotland’.

Basically I was working on the geological foundations of Scotland, and some of the oldest rocks in the Europe. In I started a NERC funded PhD at Cardiff University, studying the geology of Anglesey (Ynys.

Nomenclature. Events prior to and following the Scourie dyke intrusion were termed Scourian and Laxfordian respectively (Sutton and Watson, ).With the recognition of a pre-dyke amphibolite facies event (Evans, ) the Scourian was subdivided into Badcallian (granulite facies, NE–SW trending fabrics) and Inverian (amphibolite facies, NW–SE trending fabrics) by: Calcium-rich scapolites, Meassociated with wollastonite, calcite,diopside and plagioclase, are particularly characteristic of the calc gneisses and granulite-facies rocks of the Scourie complex, northwest Scotland.

Meionite scapolites occur in granulitic xenoliths in basaltic and kimberlitic diatremes.Medium-to high-pressure granulite facies complexes represent samples of lower crustal material and are, therefore, important in the study of crustal processes. New rare earth element data for the Scourian granulite facies terrain of the Precambrian Lewisian complex of N.W.

Scotland indicate that: These new data, along with previously reported major and trace element data, isotopic abundances Cited by: