 | | Journal (article/letter/editorial) | | Fen, magnesio-arfvcdsonite, 317. Hasvik, SOrOy, gabbro, 815. Sulitjehna, almandine, biotite, hornblende...Viisterbotten, montcbrasite, 414. Germany (Deutschland) Chursdorf, Penig, Saxony, amblygonite, 414. Drachenfels...Berkshire; Ha#on attd Shabbington Wood, Buckinghamshire; Lower Froyle, Selt)orne, and West Worldham, tlampshire;...Upnor, Kent. Cornwall Bosahan quarry, Falmoath, biotite, 21o. Dean quarry, Coverack, The Lizard, analcime... 153. Meidling im Tal, Lower Austria, omphacite, 6I. Mitterbachgraben, Lower Austria, omphacite, 6i. |  | | Book | | names like granogabbro (granite-gabbro), monzogabbro (monzonite-gabbro), rhyodacite (rhyolite-dacite)...[Vulcan, Roman god of fire], plutonite (Pluto and the lower world), and Pele’s hair (Hawaiian fire goddess)...tribal peoples: bojite (Boii, Celtic tribe in Germany), gondite (Gonds, central India), onkilonite (Onkilones...sthene) are the essential constituents; differs from gabbro by the presence of the Definition proposed prthopyroxene...lUGS, plutonic rock satisfying the definition of gabbro, in which pl/(pl + px + ol) is 10-90 and the opx/(opx |  | | Journal (article/letter/editorial) | | authors are printed in SMALLCAPITALS,Subjects in lower-case roman, and Localities in italics. The minerals...i28. Amblygonite, France, Maine, New South Wales, Saxony, anal., cell-dimensions, distinction from montebrasite...albite, I56; - - , anal., d2o i, 489. Amoibite, Germany, anal., opt., X-ray, 26. Amos Stream, New Caledonia...Australia, alkali feldspar, anal., d2oi, 489. Bosahan quarry, Falmouth, Cornwall, biotite, 2IO. BOWDEN (P.)...Burlington peninsula, Newfoundland, omphacite, 6I. Bytownite, India, anal., opt., 497. Cabo Ortagal, Galicia |  | | Report (volume) | | Introduction 3 9 Summary 3 11 CHAP. I. The limits of the gabbro area near Baltimore and the general char13 acter...description of the hypersthene-gabbro 3 18 III. Petrographical description of the gabbro-diorite 3 27 34 IV. Genetic...the hypersthene-gabbro and the gabbro-diorite.3 1. Geological relations of the gabbro and diorite to each...relations of the gabbro and diorite 3 37 40 3. Microscopical relations of the gabbro and diorite 3 45... General conclusions 3 V. The olivine-bronzite-gabbro, peridotites, and associated serpentines and amphibole |  | | Journal (article/letter/editorial) | | Carrickcarnan: An Actualistic Interpretation of a Tertiary Gabbro-granophyre Complex. By Doris L. Reynolds, D.Sc...lava-flows, agglomerates and tuffs, together with some gabbro sills. These rocks form a layered series which...fronts margining granophyres; within masses of gabbro that sank within gas-tuff streams from higher levels;...north-west belt", and described the component rocks as gabbro and granophyre in conformity with the nomenclature...1928, and had established the Tertiary age of the gabbro (1937, 1941), he kindly asked me if I would care |  | | Journal (article/letter/editorial) | | Georg-August Universit~it, G6ttingen, Federal Republic of Germany With 4 Figures Received December 14, •990; accepted...antiform. The axial region of the fold now forms a valley exposing the main body of pegmatite and aplite...sometimes enclosed in euhedral megacrysts of bytownite thus giving the rock an ophitic texture (Figs...essentially at the contact of clinopyroxene with bytownite, replacing clinopyroxene (Fig. 3B). Its formation...plates are 4.4ram in length; (magnetite = black, bytownite = by, clinopyroxene = cp, andradite = ad, titanite |  | Janoušek, Vojtěch, Braithwaite, Colin J.R., Bowes, D.R., Gerdes, Axel (2004) Magma-mixing in the genesis of Hercynian calc-alkaline granitoids: an integrated petrographic and geochemical study of the Sázava intrusion, Central Bohemian Pluton, Czech Republic. Lithos, 78 (1) 67-99 doi:10.1016/j.lithos.2004.04.046 | Journal (article/letter/editorial) | | Senckenberganlage 28, 60054 Frankfurt-am-Main, Germany b Received 2 April 2003; accepted 23 April 2004...associated with bodies of (olivine, pyroxene-) amphibole gabbro, gabbrodiorite, (quartz) diorite and rare hornblendite...of evidence is derived from the disused Teletı́n quarry opened in the 1950s near the contact between the...Devonian orthogneisses). The locations of the disused quarry at Teletı́nand the underground gas reservoir at...Teplá-Barrandian unit and the negative, middle-lower crustal Moldanubian block (e.g., Holub et al., 1997b) |  | | Report (edition) | | 9 Moi ne Supergroup I 0 Dalradian Supergroup II Lower Palaeozoic 12 Caledonian igneous rocks I 5 Old Red...Superprovince 3 3 Precambr ian and Lower Palaeozoic rocks in the district 4 4 Cambre-Ordovician rocks of...Isle of Arran 4 Ammonite zonal sequence in the Lower Jurassic and part of the Middle Jurassic of the...features in basalt lavas, Ardmeanach, western Mull 60 Valley fi ll of tholeiit ic basalt overlying hawaiite...Drumadoon Sill,Arran 91 Layering in the Outer Bytownite Gabbros, Cuillin Centre, Skye Central Complex |  | | Book | | Martin Meschede Laurence N. Warr The Geology of Germany A Process-Oriented Approach Regional Geology...Reviews Series editors Roland Oberhänsli, Potsdam, Germany Maarten J. de Wit, Nelson Mandela University, Port... Martin Meschede • Laurence N. Warr The Geology of Germany A Process-Oriented Approach 123 Martin Meschede...and Geology University of Greifswald Greifswald, Germany Laurence N. Warr Institute of Geography and Geology...Geology University of Greifswald Greifswald, Germany ISSN 2364-6438 ISSN 2364-6446 (electronic) Regional |  | | Book (edition) | | 183 The Diorite Family The Alkali-Gabbro Family - 188 The Gabbro Family 201 186 II. THE HYPABYSSAL...maintains that the granite-massifs of the Christiania district are laccoliths rather than bathyliths in Suess'...Thus Lawson 1I has described in the Rainy Lake district of Canada vast areas of rocks of plutonic babit...sometimes form marked features in the scenery of a district ; for, being more capable of resisting the disintegrating...laccoliths), or coni posite (as, for example, the gabbro -laccolith of the Cuillin Hills described by Harker |  | | Report (issue) | | by its quotation in the memoir dealing with the district concerned and in H. S. Wasl1ington's 'Chemical...00? 0.03 - 100.16 - I00.20 Probably Lower O.R.S.. Quarry¼ m. S.E. of Weets, Insch, Aberdeenshire...G.S. 'Banff,' 1923, p. 124. Probably Lower O.R.S.. Strone Quarry, N. of Banavie, Inverness-shire. I" Geol...granophyric. Tertiary. Quarry in bank of Allt nan Dris, 5. Granite. Corrennie Quarry, at Tillyfourie Railway...biotite; ,vith subordinate muscovite. 1\1.G.S. ' Lake District,' 1876, p. 30. Q.J.G.S., vol. LI, 1895, p. 14 |  | | Book | | syenite foid-bearing syenite quartz diorite quartz gabbro quartz anorthosite (monzogranite) 65 90 20 ...monzogabbro P diorite gabbro anorthosite foid-bearing diorite foid-bearing gabbro foid-bearing anorthosite...monzodiorite foid-bearing monzogabbro foid diorite foid gabbro foidolite F Fig. 2.4. QAPF modal classification...comprehensive names for rocks between syenite and diorite/gabbro, i.e. for monzonites (field 8) and monzodiorite/monzogabbro...monzodiorite/monzogabbro, respectively. 24 Field 10 (diorite, gabbro, anorthosite) — the three root names in this field |  | | Book | | look for. Michael O’Donoghue Proustite (East Germany) 7 Rocks We can define a rock as a large mineral...Darker and even poorer in silica than diorite is gabbro, containing a calcium-rich plagioclase and pyroxene...Granite Nepheline syenite Syenite Dio rite Gabbro Peridotite 13 Dunite Serpentinite Rhyolite...the fixed index (the ordinary ray) at a higher or lower reading than the moveable (extraordinary) ray. Where...incident beam are retarded by passing through to the lower side of the film, rejoining the main beam either |  | | Journal (article/letter/editorial) | | Hypabyssal Rocks. (2) Petrography. (a) The Bytownite-Norite. (b) The Gabbro-Picrite Group. (c) The Rocks of the..................... 291 I. IXT~ODt'CTIO.~. THE district of which the geology is here described lies neigh... it reappears with slight modifications in Bin Quarry. This type presents variations, both in texture...with ophitic texture; but in Kinnoir Park it is a gabbro with granitic textalre, and on the slopes of Mungo...Bridge, quart T east of Broadland, Pyotbush, quarry near Lower Sinsharnie. In the last-named occurrence, |  | | Report (issue) | | _ Hornblendite ______________________________ _ Gabbro _____________________________________ Quartz diorite...Orthoclase dike ____________________________ _ Younger gabbro sills ___________________________ _ Dikes not directly...___________ --- __ Massive variety ___ ----_-----------Bytownite anorthosite ______ --------Anorthosite at Goat...Evidence of possible parent rocks_-_--Origin of bytownite _____________ -_--_ Rearrangement of material...Inclusions of lime-silicate rock in gneissic hornblende gabbro on North Butte ___ --------------------------31 |  | | Journal (article/letter/editorial) | | Alpine-Type Ultramafic Rocks in the Lake Chatuge District, Georgia--North Carolina Lois M. ,Jones and M...These units are surrounded in turn b y olivine gabbro which is gradational into amphibolite (metagabbro)...(metagabbro) towards the margin. I)iallage-bytownite veins cut the center of the intrusive and show a progressive...(metagabbro) at the margin and unaltered olivine gabbro within the intrusive. * Present address: Department...RONITE TROCTOLITE Location O I krn. OLIVINE GABBRO ~ PY ROXENE GRANULITE ORTHOAMPHIBOLITE COUNTRY |  | | Journal (article/letter/editorial) | | and anorthositic types) and olivine-hypersthene gabbro, of presumed Devonian age' rt is intruded into...complex has a marginal zone of qtartz-hornblende-gabbro. The norites enclose xenoliths of free-silica hornfels...town of calais, Maine. At st. Stephenand in the district north and west of the town, a complex of basic...intrusive rock which he regards as transitional between gabbro and diabase. He considered that c'prominently associated...particularly along Hanson Road and in the small stream valley north of the town, banded norites with alternations |  | | Book (edition) | | Family The Diorite Family --- The Alkali-Gabbro Family The Gabbro Family II. THE HYPABYSSAL ROCKS The...it ; the granite-massifs of the Christiania district are laccoliths rather than bathyliths in Suess'...originated Thus Lawson l has described in the district of Canada vast areas of rocks habit which, according...sometimes form marked features in the scenery of a district for, being more capable of resisting the disintegrating...laccoliths), or composite (as, for example, the gabbro-laccolith of the Cuillin Hills described by Harker |  | | Report (issue) | | Green Dk. Blue Olive Yellow Dk. Orange Brown Black Valley & Ridge mapping and structural geology Piedmont... . . . . 20 Coronite troctolite 23 Olivine gabbro 29 Wehrlite . . 31 Orthoamphibolite 33 Veins... 13. Opaque minerals in troctolite and olivine gabbro . 27 14. Photomicrograph of a corona . . . .... . . . . . 30 17. Photomicrograph of olivine gabbro 31 18. Photograph of a large diallage crystal...Photomicrograph of partially amphibolitized 38 olivine gabbro 22. Photomicrograph of amphibolite . 39 23. Photograph |  | | Journal (article/letter/editorial) | | a chestnut-brown colour from veins in weathered gabbro in Radauthal, near Marzburg, in the Harz. Tbe material...170--174).-Veins of datolite occur in the gabbro of Radautbal, near Harzburg, in the H a r z ; it is massive with...near Alangayam in the Tirupatur t,aluk, Salem district, Madras Presidency. The average sp. gr. of the...hornblende is given. This mas isolated from a hornblende-gabbro, from Pavone, containing plagioclase (near by townite)...analyses of thirty-nine samples of chert of the Lower Hudson formation, which are remarkable for the large |  | | Journal (article/letter/editorial) | | the Musa Valley, Eastern Papua By D . H. GREEN* (PLATES I and II) ABSTRACT In the Musa Valley area rocks...alpine ultramafic suite, to olivine gabbro and bytownite gabbro. Agglomeratelike breccias consisting...tentatively regarded as a fault breccia, in the Musa Valley area of Eastern Papua, was noted by J. Thompson...five months in the geological mapping of the Musa Valley area, (Text-figs. 1 and 2). Much of the area is...XCVIII NO. 1 1 OF THE VALLEY AREA, TEXT-FIG. 1.—Geological map of the Musa Valley, Papua. EASTERN PAPUA |  | | Book | | A CHANGING PLANET 11 Vanadinite, San Carlos district, Chihuahua, Mexico * 8 x 4 x 2 cm Mineral Species...manganese oxide on limestone, Solnhofen, Bavaria, Germany * 11.5 x 24 x 0.5 om MINERALS: PRODUCTS OF A...such as Porcupine and Hemlo districts; Noranda district, Quebec. USA: Mother Lode belt and others in...Localities Canada: Cobalt mining district and Thunder Bay District, Ontario. USA: several localities... Wire silver, Silver Islet Mine, Thunder Bay District, Ontario, Canada * 11.5 x 14x 11 om Silver has |  | | Report (issue) | | iii IV CONTENTS Page PART 3. The Orofino district Continued Plutonic rocks near Orofino Continued...Continued Petrographic description Continued Gabbro and norite______________________ A-51 Quartz diorite.__...Petrographic description.____________________ 78 Gabbro _______________________________ 78 Quartz diorite_...Dent area and Big Island area. map of the Orofino district. Page 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12...._________--_______-__-_-_--_Photomicrograph of gabbro from north side of Clearwater River near Peck_ |  | | Book (edition) | | separately listed: andesine, oligoclase, labradorite, bytownite (series end-members albite and anorthite). These...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....Scbwarzwald Mts., in the Sailauf quarry, Spessart Mts., Bavaria. both Germany, and from the Rabejac deposit... = = = = = Acanthite, x 16 mm, Freiberg, Germany, H Abernathyite, 12 mm, Ririera/, France, H Abhurite...at the Himmelsftirst mine, Freiberg, both Saxony, Germany. In the subtropical areas acanthite may occur |  | | Catalog/List | | .... ..... .. . .. . . .. .. . . . . ...Lehigh Valley, Pennsylvania " . . . . . . . . . . . . . . .... . . . . Bcrgeu . Hil l, J e rsey City, "K. J. Gabbro-Diorite . . . . . . . . . . . . . . . . . . . ... . . . Salem, i\l assach u s e t t s Orbicular Gabbro-Diorite •. . . . . . . . . . . . . D a v i e Coun... . . . . . . . . Quin cy, Florid;:. GABBRO : Bytownite Gabbro . . . . . . . . . . . . . . . . . . ....Diallage-Hypcrsthcnc Gabbro . . . . . . . . . Near I g nacio Rcscn·oir. Colorado Homblende-Gabbro . . . . . . |
|
