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Wollastonite from
Kiglapait intrusion, Labrador, Newfoundland and Labrador, Canada


Locality type:Intrusion
Classification
Species:Wollastonite
Formula:Ca3(Si3O9)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Wollastonite data
Locality Data:Click here to view Kiglapait intrusion, Labrador, Newfoundland and Labrador, Canada
Data Identifiers
Mindat Occurrence Record ID:828800
Long-form Identifier:1:3:828800:4
GUID (UUID V4):2740274a-83b5-4d8b-9d6a-29ba84f68381
References
Reference Search (possible matching items)
Journal (article/letter/editorial)
SYMPLECTITE IN A CALC-SILICATE XENOLITH, KIGLAPAIT INTRUSION, LABRADOR, CANADA Brent E. OWENSĀ§ Department of Geology...Geology, College of William and Mary, Williamsburg, Virginia 23187-8795, U.S.A. Daniel T. KREMSER Battelle...a calc-silicate xenolith in the Kiglapait Intrusion, Labrador, Canada. The symplectite is dominated by...diopside, cuspidine, and monticellite, but also contains a calcic garnet (Grs70) and serpentine. Cuspidine...clinopyroxene, 27% cuspidine, 21% monticellite, 9% garnet, and 9% serpentine. A reconstructed bulk-composition of
Journal (article/letter/editorial)
FRACTIONATION AMONG THE PHASES OFTHE KIGLAPAIT INTRUSION, LABRADOR, CANADA RUTH I. KALAMARIDES Department ...revised and accepted IL 60115 January (U.S.A.) 21, 1986) Abstract Kalamarides, intrusion, R.I.,...High-temperature oxygen isotope fractionation among Labrador, Canada. Chem. Geol. (Iaot. Geosci. Sect.), 58: 303-310...between liquid and temperature-corrected for the magma of the Kiglapait layered intrusion. The closed-system...calculation employing the Kiglapait 6 I80 whole-rock mineral fractionation factors, and material balance. The
Journal (article/letter/editorial)
the Kiglapait Intrusion, Labrador BRENT E. OWENS* Department of Geology, College of William and Mary...of a xenolith and autolith swarm in the Lower Zone of the Kiglapait Intrusion, Labrador. All xenoliths...lighter-colored than the local troctolite host rock, and are surrounded by a 1ā€“2 cm thick reaction zone of...monticellite + spinel, and one also contains Ć„kermanite. Reaction zones are dominated by diopside and spinel. All...concentrations of Al2O3 (4ā€“12 wt%), TiO2 (1ā€“4 wt%), and calculated Fe2O3 (Fe3+ > Fe2+). In addition, clinopyroxene
Journal (article/letter/editorial)
The plot is generated from phase compositions 1 and 2 in states LV or LS or SS depending on whether the...binary solution loop, and it has the form y = ax + b where y ā‰” D, a ā‰” KD, x ā‰” X2, and b = 1 ā€“ x ā‰” 1 ā€“ X2...with the melting equilibria of both plagioclase and olivine, possibly a clue to the non-ideality of solution...function of KD, and can vary with pressure as in the case of plagioclase in troctolites and gabbros. Systems...common minimum or maximum are called azeotropes and all of them show linear partitioning. Sanidine crystalline
Journal (article/letter/editorial)
is mineralogically and gcochemically the most primitive in the LAC, forms dikes and small intrusions that...that cross cut monzonitic and anorthositic rocks. High-A1 gabbro is characterized by high A1203 (15 19wt%)...= 1.2 3.8), and the lowest initial 87Sr/S6Sr (as low as 0.7033) and highest initial and (up to + 2) in...in the LAC. Their Sr and Nd isotopic characteristics indicate a mantle origin followed by crustal assimilation...(Anso-6o) and mafic silicate (Fos,~-63) compositions suggest that they are not primary mantle melts and that
Journal (article/letter/editorial)
Subject Index and Author Index Vol. 50. 1986 EDITORIAL ACKNOWLEDGEMENTS The quality and turn-around time...depends on the expertise and conscientious labour of our Associate Editors and reviewers. I wish to acknowledge...again the great debt which GCA owes to their efforts and effectiveness. Both groups are listed below, but...a few reviewers have not yet reached this office and will be included next year. Readers should take note...development, editorial appointments, budget negotiation and other matters. Their counsel has continued to aid
Journal (article/letter/editorial)
system fayalite-albite-anorthite and the syenite problem S.A. Morse1,* and J.B. Brady2 1 Department of Geosciences...temperatures are very different: large for albite, and small for anorthite. In this experimental study,...show that ternary feldspars saturated with fayalite and Fe monoclinic pyroxene will crystallize at a 5 kbar...intrusions, Skaergaard and Kiglapait, and to illuminate the nature and origins of syenite and trachyte, which...Earth, possibly affecting the origin of anorthosite and syenite. Keywords: Fayalite, olivine, feldspar, fractionation
Journal (article/letter/editorial)
64, 33- 52 (1977) Contributions to Mineralogy and Petrology 9 by Springer-Verlag 1977 Dry Granulite...Assemblages in the Contact Aureoles of the Nain Complex, Labrador Jonathan H. Berg Department of Geology,Northern...complex, Labrador, contain many unique or unusual mineral assemblages in aluminous gneisses and granulites...granulites, ironstones, and ultramafic rocks. Some of the limiting assemblages are (in addition to feldspars...Cd-Sp-Co-Si, Ga-O1-Hy-Sp, Ga-Cd-Hy-Sp, Hy-O1-QzAug, and O1-Hy-Sp ( + Chl _+Ca-amph +_Aug). On the basis of
Journal (article/letter/editorial)
Anorthosites and Related Rocks JOHN LONGHI1āˆ—, JACQUELINE VANDER AUWERA2, MIRANDA S. FRAM3 AND JEAN-CLAIR...equilibria relevant to Proterozoic (massif) anorthosites and related mafic rocks. Massif anorthosites are widely...Peritectic-like equilibria (e.g. liq + opx ā†’ plag + cpx + sp) and a thermal divide on the plagioclase + pyroxene liquidus...nepheline normative with further crystallization and crustal assimilation at depth. Such liquids cannot...plutons, for liquids parental to massif anorthosites and associated mafic intrusions. KEY WORDS: anorthosite;
Report (issue)
Open-File Report 87-263 This report 1s preliminary and has not been reviewed for conformity with U.S. Geological...Acquisition and Preparation 3.2 Sample Characterization 3.3 Acquisition of Spectra 3.4 Data Storage and Retrieval...4.2 Effect of Particle Size 4.21 Role of surface and volume scattering 4.22 Changes in spectral contrast...Acknowledgements 6.0 Appendix 1: Mineral spectra and description sheets are presented in alphabetical...Minerals are listed alphabetically and by mineral class, subclass and group at the beginning of the appendix
Journal (article/letter/editorial)
Calculations of fractional crystallization (FC) and assimilation fractional crystallization (AFC) at...for a variety of primitive magmatic compositions and a mafic assimilant demonstrate that none of them...0.6 to 0.4 and form coherent arrays with moderately steep slopes on plots of TiO2, K2O, and P2O5 versus...parental to anorthosites. MORB-like olivine tholeiites and high-aluminum olivine tholeiites (HAOT) from convergent...while sufficiently magnesian, but their Wo (Wollastonite) contents are too high such that they reach
Book
scientific books, aiming at researchers, students, and everyone interested in geology. The series includes...peer-reviewed monographs, edited volumes, textbooks, and conference proceedings. It covers the entire research...structural geology, geomorphology, paleontology, and sedimentology. More information about this series...or in any other physical way, and transmission or information storage and retrieval, electronic adaptation...protective laws and regulations and therefore free for general use. The publisher, the authors and the editors
Journal (article/letter/editorial)
petrogenesis and oxide ore genesis of the late Permian Panzhihua layered gabbroic intrusion, SW China Kwan-Nang...Keywords: Mineral composition Feā€“Ti oxide ore Layered intrusion Panzhihua a b s t r a c t A systematic study...stratigraphic sections through the Panzhihua intrusion, a layered gabbroic sill of late Permian age that...igneous province, SW China. The intrusion, which is āˆ¼ 19 km long and āˆ¼ 2 km thick, is divided into a...Lower zone (LZ), Middle zone (sub-zones MZa and MZb) and Upper zone (UZ) from the base upwards. Compositions
Book
Minerals and Rocks 21 Editor in Chief P. J. Wyllie, Pasadena, CA Editors A. El Goresy, Heidelberg W...Ashwal. p. cm. - (Minerals and rocks; 21) Includes bibliographical references and index.ISBN-13: 978-3-642-77442-3... reproduction on microfilm or in any other way, and storage in data banks. Duplication of this publication...Law of September 9, 1965, in its current version, and permission for use must always be obtained from Springer-Verlag...exempt from the relevant protective laws and regulations and therefore free for general use. Typesetting:
Book
Windley Further titles in this series 1. B.F. WINDLEY and S.M. NAQVl (Editors) Archaean Geochemistry 2. D.R...Formation 6. A.F. TRENDALL and R.C. MORRIS (Editors) Iron-Formation: Facts and Problems 7 . B. NAGY, R.... WEBER, J.C. GUERRERO and M. SCHIDLOWSKI (Editors) Developments and Interactions of the Precambrian Atmosphere...Atmosphere, Lithosphere and Biosphere 8. S.M. NAQVI (Editor) Precambrian Continental Crust and its Economic Resources...Resources 9. D.V. RUNDQVIST and F.P. MITROFANOV (Editors) Precambrian Geology of the USSR DEVELOPMENTS
Journal (article/letter/editorial)
mol.% Ca(Al,Fe3+)AlSiO6 IN THE SKARNS OF CICLOVA AND MAGUREAUA VATĖ›EI, CARPATHIANS, ROMANIA MARIE-LOLA...Ca-Tschermak (up to 24 wt.% Al2O3) and esseneite components occurs as veinlets and inclusions, in places associated...associated with kalsilite, in calcite and in wollastonite very close to the marble contacts of two shallow...complexes, Magureaua VatĢ§ei, in the Apuseni Mountains, and OravitĢ§aā€“Ciclova, in Banat, both of Upper Cretaceous...emplaced at an early stage of the magmatic process and later recrystallized at high temperature (>800Ā°C)
Journal (article/letter/editorial)
com/locate/precamres Uā€“Pb and 40 Ar/39 Ar geochronology of the Saint-Urbain and Lac Allard (Havre-Saint-Pierre)...anorthosites and their associated Feā€“Ti oxide ores, QuĆ©bec: Evidence for emplacement and slow cooling...Paciļ¬c Centre for Isotopic and Geochemical Research, Department of Earth and Ocean Sciences, University...Columbia, 6339 Stores Road, Vancouver, B.C. V6T 1Z4, Canada a r t i c l e i n f o Article history: Received...Uā€“Pb and 40 Ar/39 Ar geochronology of two AMCG suites (Saint-Urbain and Havre-Saint-Pierre), and associated
Journal (article/letter/editorial)
orthomagmatic mineralization: age and isotope composition of magmas žSr, Nd/ and ore žS/ C. Casquet a,) , C...Cuā€“Ni orthomagmatic ore deposit is hosted by mafic and ultramafic rocks of the Aguablanca stock, which is...Mineralization consists mainly of pyrrhotite, pentlandite and chalcopyrite resulting from the crystallization of...Isotope work on the host igneous rocks ŽSr, Nd. and the ore ŽS. suggests that contamination with an upper-crustal...to explain early cumulates and immiscible sulphide-magma formation. Intrusion took place at the beginning
Journal (article/letter/editorial)
Yong-Fei Zheng * School of Earth and Space Sciences, University of Science and Technology of China, Hefei 230026...isotope indices of both CIPW normative minerals and normalized chemical composition. The consistent results...negligible oxygen isotope fractionation between rock and melt of the same compositions. The present calculations...ā€“ lava systems at the temperatures above 1000 K and rock ā€“ water systems in the temperatures range of...are consistent with existing data from experiments and/or empirical calibrations. The obtained results can
Journal (article/letter/editorial)
May 20, 2007 Abstractā€”Geological, mineralogical, and geothermobarometric data testify that the regional...amphibolite facies at temperatures of 560ā€“660Ā°C and pressures of 5.9ā€“6.9 kbar. This metamorphism predetermined...garnetā€“biotite plagiogneisses. The younger granitization and migmatization of the plagiogneisses took place at...in both the metamorphic rocks and the vein synmetamorphic granitoids and pegmatites. The temperature of...granitization and migmatization processes in the plagiogneisses was estimated at 620ā€“650Ā°C, and the pressure
Journal (article/letter/editorial)
78(5), pp. 1177ā€“1191 The concept of ā€˜end of wasteā€™ and recycling of hazardous materials: in depth characterization... RINAUDO1, A. VIANI2,3, S. POLLASTRI4 1 2 3 4 AND A. F. GUALTIERI4,* Dipartimento di Scienze e Innovazione...I-15121 Alessandria, Italy Institute of Theoretical and Applied Mechanics ASCR, Prague, Czech Republic Centre...Before and after treatment, micro-Raman spectroscopy allowed the investigation of both powdered and massive...elongated morphology, thin ļ¬bres and the matrix. In the raw samples, chrysotile and/or crocidolite were detected
Journal (article/letter/editorial)
thermobarometets for garnet peridotites I 15 J. MACPHERSON and LAWRENCE GROSSMAN:ā€œFluffyā€ Type A Ca-. Al-rich inclusions...technique for determining end-member compositions and for partitioning sediments according to their sources...their kerogen and humic acid fractions 63 KENNETHD. COLLERSON, MALCOLM T. MCCULLOCH and DAVIDBRIDGWATER:...DAVIDBRIDGWATER: Nd and Sr isotopic ctustal contamination patterns in an Archaean meta-basic dyke from northern Labrador...Labrador 71 C. L. WIERSMAand J. D. RIMSTIDT:Rates of reaction of pyrite and marcasite with ferric iron
Journal (article/letter/editorial)
Duration of Magmatism, and Cooling of the Worldā€™s Largest Layered Intrusion and Related Rocks James S...Weis1, Edmond A. Mathez3 and Jill A. VanTongeren4 1 Pacific Centre for Isotopic and Geochemical Research...Columbia, 2020-2207 Main Mall, Vancouver, BC V6T-1Z4, Canada; 2Department of Geosciences, Boise State University...Drive, Boise, ID 83725, USA; 3Department of Earth and Planetary Sciences, American Museum of Natural History...History, New York, NY 10024, USA; 4Department of Earth and Ocean Sciences, Tufts University, Medford, MA 02155
Journal (article/letter/editorial)
Problems and Estimated Original Compositions A. A. Ariskin Vernadsky Institute of Geochemistry and Analytical...of the early magmatic differentiation of the Moon and petrogenetic processes responsible for the origin...context of the transformations of the melting products and the differentiation of the subchondritic mantle via...anorthosite crust and resulted in high-Mg magmas, which later gave rise to troctolites, norites, and gabbronorites...equilibrium with olivine of the composition Fo88 and Fo91. The differences between the simulated melt
Journal (article/letter/editorial)
New York, USA JOHNM. EILER*and JOHN W. VALLEY ~pa~rnent of Geology and Geophysics, University of Wisconsin...Tupper and Saranac sheets in the central Adirondacks, demonstrate a correlation between 6 180w,and major...nonconsanguineous granitoids. Variations in mineral 6180 values and large differences in 6180 between rocks with non~onsanguineous...significantly shifted during granulite facies metamorphism and were dominantly controlled by processes active during...petrogenetic indicator, allow discrimination of rock units, and serve as a source constraint for meta-igneous rocks
 
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