 | | Journal (article/letter/editorial) | | pp. 1037ā1046 Manganoan berthierine, Meyers Pass, New Zealand: occurrence in the prehnite-pumpellyite...Geology Department, University of Otago, Dunedin, New Zealand Department of Geological Sciences, University...prehnite-pumpellyite facies at Meyers Pass, Torlesse Terrane, South Canterbury, New Zealand. The Mn occupies 11...metamorphism, prehnite-pumpellyite facies, Meyers Pass, New Zealand, Torlesse Terrane. Introduction BERTHIERINE...prehnitepumpellyite facies near Meyers Pass in the Torlesse Terrane of southern New Zealand. Rather similarly, Dalla |  | | Journal (article/letter/editorial) | | prehniteāpumpellyite facies, near Meyers Pass, Torlesse Terrane, New Zealand D . S. C OO MB S , Y . KAWAC...Dunedin, New Zealand A B S TR A CT Moderately manganiferous siliceous pelagites near Meyers Pass, Torlesse...Torlesse Terrane, South Canterbury, New Zealand, have been metamorphosed in the prehniteāpumpellyite facies...sphalerite have formed in an extremely fine-grained quartzāalbiteāberthierineāphengiteātitanite groundmass...lower-grade greenschist and blueschist facies of New Zealand and Japan. Mn in the manganoan pumpellyites substitutes |  | | Journal (article/letter/editorial) | | cordierite, 467 core complex formation, 361 corundum+quartz, 755 crenulation cleavage, 3, 15 decompression...growth, 427 ductile deformation, 227 Dutchess County, New York, 163 dykes, 565 Eastern Alps, 453 eclogite,...extension, 49 leucosomes, 307, 565 low- to high-quartz transition, 581 low-P metamorphism, 49, 143 low-P/high-T...mylonitization, 213 Nabitah Mobile Belt, 613 New Zealand, 441 northern Chile, 249 northern Dabie terrane...399 Proterozoic, 29, 335, 413 pumpellyite, 125 quartz, 581, 591 Raman spectrum, 115 rare earth elements |  | | Journal (article/letter/editorial) | | in very low-grade metabasites from southern New Zealand. The garnets are andradite-grossular solid solutions...remain poorly constrained. In this study, we present new data for the mineral association of garnet Ā± pumpellyite...pumpellyite Ā± prehnite Ā± epidote Ā± chlorite Ā± quartz in metabasites from the DarbutSartouhai ophiolite in...in Western Junggar, Xinjiang Autonomous Region, China. We further calculate the reaction-relationships...equilibria. Geological occurrence The Western Junggar region is considered to be a Late Paleozoic orogenic belt |  | Li, Gejing, Peacor, Donald R., Coombs, Douglas S., Kawachi, Yosuke (1997) Solid solution in the celadonite family; the new minerals ferrosceladonite, K2Fe2+2Fe3+2Si8O20(OH)4, and ferroaluminoceladonite, K2Fe2+2Al2Si8O20(OH)4. American Mineralogist, 82 (5) 503-511 doi:10.2138/am-1997-5-609 | Journal (article/letter/editorial) | | 1997 Solid solution in the celadonitefamily: The new minerals ferroceladonite, KrFel*Fel*Si*Or0(OH)0,...Department,Universityof Otago,PO. Box 56, Dunedin,New Zealand Ansrnacr Celadonite-family mica minerals occurring...Murihiku Supergroup,Hokonui Hills, Southland,New Zealand,have been analyzedby XRD, TEM, AEM, and EMPA...analysesare commonly contaminatedby mixtures. Two new minerals of the celadonite family are deflned: ferroceladonite...both ferroceladoniteand ferroaluminoceladonite.Both new minerals are blue-greenin thin section and occur |  | | Journal (article/letter/editorial) | | Institution, Washington D.C., 20560, USA AbstractāA new occurrence of berthierine has been found in the Pulsifer...source for gem- and specimen-grade elbaite, beryl, quartz, apatite, garnet and gahnite. Moreover, it is the...Pulsifer pegmatite. The pocket mineralogy includes quartz with partially corroded microcline, coarsely bladed...The earliest primary minerals to precipitate were quartz, perthitic microcline, mediumgrained muscovite...generation of fine-grained albite was deposited with quartz on the surfaces of the early generation of albite |  | | Journal (article/letter/editorial) | | breakdown of stilpnomelane in the Otago Schist, New Zealand G . L I, 1, 2 E . J . E S SE N E , 1 D . R ....Geology Department, University of Otago, Dunedin, New Zealand ABSTRACT Semi-pelitic rocks ranging in grade...greenschist facies from southeastern Otago, New Zealand, have been investigated in order to evaluate...that stilpnomelane formed from chlorite, phengite, quartz, K-feldspar and iron oxides. Stilpnomelane was...different oxidation states and permeabilities. Biotite, quartz and less phengitic muscovite form from stilpnomelane |  | | Report (chapter) | | weakening mechanisms along the Alpine Fault, New Zealand L A U R E N C E N. W A R R t & SIMON C O X 2...hqO@ ix.urz.uni-heidelberg.de) 2GNS, Dunedin, New Zealand Abstract: The formation of clay minerals within...transformations along the central Alpine Fault of New Zealand is suggested to constitute an important weakening...fault and plate boundary: the Alpine Fault in New Zealand. This wellexposed fault presents an ideal opportunity... Fig. 1. (a) Fault map of the South Island, New Zealand, showing structures associated with the Alpine |  | | Journal (article/letter/editorial) | | spessartine quartzites and pumpellyite + chlorite + quartz schists imply temperatures of <400 C (Coombs et...and Fe3+ as system component may be omitted. The new matrix ā six system components and ļ¬ve phases (SiO2...Ā¼ 0.5) + paragonite and jadeite (Xjd Ā¼ 0.43) + quartz Ā¼> albite. (2) Stability of stilpnomelane after...high-pressure metamorphism in New Caledonia: Phase equilibria in the OueĢga district. Tectonophysics, 43, 59ā107...prehnite-pumpellyite facies, near Meyers Pass, Torless Terrane, New Zealand. Journal of Metamorphic Geology |  | | Journal (article/letter/editorial) | | relative to the slate, is followed by an intermediate quartz- or mica-rich zone showing a relative enrichment...est entourĆ©e dāune zone intermĆ©diaire riche en quartz ou en mica, et enrichie en Si ou en Si, K, et Na;...Biotite + Muscovite + Quartz + H2O (1) Phengite + Chlorite = Biotite + Muscovite + Quartz + H2O (2) In contact...Chlorite + Quartz = Cordierite + Biotite + H2O (3) Muscovite + Chlorite = Andesine + Biotite + Quartz + H2O...H2O (4) Muscovite + Chlorite + Quartz = Cordierite + Andalusite + Biotite + H2O (5) Although the assemblage |  | | Journal (article/letter/editorial) | | chlorite, but perhaps with a mixed-layer component), quartz, prehnite and pumpellyite. 'Chlorite' (Figure 2a)...are similar, and are composed of coarsegrained quartz, albite, 'chlorite', muscovite and chloritemica...2d) is characterized by intergrown crystals of quartz, phyllosilicates (chlorite and muscovite), albite...intergrowths of thick crystals with muscovite and quartz in a typical metamorphic texture of interlocking...Ms: muscovite, ChI: chlorite; Ab: albite; Qtz: quartz. ing that the surfaces have suffered some dissolution |  | Ossa Ossa, Frantz, Hofmann, Axel, Vidal, Olivier, Kramers, Jan D., Agangi, Andrea, Belyanin, Georgy A., Mayaga-Mikolo, Francis (2014) Hydrothermal clay mineral formation in the uraniferous Paleoproterozoic FA Formation, Francevillian basin, Gabon. Precambrian Research, 246. 134-149 doi:10.1016/j.precamres.2014.03.003 | Journal (article/letter/editorial) | | basin. On the basis of ļ¬uid inclusion studies of quartz cement, Openshaw et al. (1978, reviewed by Gauthier-Lafaye...estimates of the temperatures during diagenetic quartz cementation of FA sandstones close to the nuclear...Sr-rich barite (Figs. 3F and 4A); (4) trapped in quartz cement and associated with pyrite (Fig. 4B). Fe-chlorite...Photomicrograph of idiomorphic pyrite (Py) and Fe-Chl in quartz overgrowths (Qtz-overg). (C) BSE showing total...Fe-Chl and ill. (E and F) Fracture-ļ¬lling Fe-Chl and quartz (Qtz) associated with secondary monazite (Mnz.2) |  | | Book (chapter) | | Planetary Sciences, Northrup Hall, The University of New Mexico, Albuquerque, NM 87131 -1116, USA Preface...distribution of zeolite minerals in South Island, New Zealand from which he proposed the establishment of the...an inverted metamorphic pattern in the Finnmark region that they attributed to overthrusting of nappes...potential to solve problems such as in the Scandinavian region with careful application through dating of size...The type burial metamorphism of South Island, New Zealand (Coombs, 1961), nor that extensively developed |  | | Report (volume) | | East-West Press PVT Ltd G-l/16 Ansari Road, Daryaganj, New Delhi 110002 India Orders: Tel. +91 11 327-9113 Fax+91...weakening mechanisms along the Alpine Fault, New Zealand 85 YAN, Y., VAN DER PLUIJM, B.A. & PEACOR,...range of possible cataclastic fault rock products pass with increasing depth into foliated mylonitic fault...processes progresssively dominate. The transitional region between the upper and lower flow regimes is expected...hence higher temperatures, brittle-frictional faults pass downward into shear zones (e.g. Fig. 2) and the |  | | Report (volume) | | advertising or promotional purposes, for creating new collective works, or for resale. For permission to...Chemistry of Boron and its Compounds, p 25-154 Wiley, New York, NY; Kidd RG (1983) Boron-11. In: P Laszlo (ed)...Newly Accessible Nuclei, p 50-78 Academic Press, New York; Shannon RD (1976) Revised effective ionic radii...:cceeeeeeeeeeees Tourmaline stability in magmas: Quartz-tourmaline assemblages...... Tourmaline stability...to reduce boric acid. Davy originally named this new material boracium, while Gay-Lussac and Thenard called | | | Report (volume) | | advertising or promotional purposes, for creating new collective works, or for resale. For permission to...Chemistry of Boron and its Compounds, p 25-154 Wiley, New York, NY; Kidd RG (1983) Boron-11. In: P Laszlo (ed)...Newly Accessible Nuclei, p 50-78 Academic Press, New York; Shannon RD (1976) Revised effective ionic radii...are merged onto pages 115-116 and 385. A table of new B-minerals since 1996 is given on p. 28, and many...research related to B are mentioned in the addenda: New minerals. Twenty-two boron minerals have been or |
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