 | | Book | | jeweler, Lucerne, Curator, private museum, SWITZERLAND ye CLAUDE GUILLEMIN, Director, National Geological... HOFMANN, Professor, School of Mines, Freiberg, EAST GERMANY }& GEORGE HOLLOWAY, collector, Northridge...STALDER, Curator, National History Museum, Bern, SWITZERLAND ¥& JAROSLAV SVENEK, Professor, National Museum...Swiss Federal Institute of Technology, Zurich, SWITZERLAND j& DAVID WILBER, dealer and collector, Reno,...California, U.s. A. WERNER BURGER, collector, Zurich, SWITZERLAND ¥& FRED CASSIRER, collector, New York, New York |  | | Journal (article/letter/editorial) | | University of Fribourg, Pérolles, 1700 Fribourg, Switzerland EMPA, Swiss Federal Laboratories for Materials...Energy, Überlandstrasse 129, 8600 Dübendorf, Switzerland c Institut für Geowissenschaften, Mineralogie-Geochemie...Rift Valley, the northern Tanzanian sector of the East African Rift System, approximately 20 km south of...Energy, Überlandstrasse 129, CH-8600 Dübendorf, Switzerland. Tel: +41 44 8234862; fax: +41 448234022. E-mail...ft.) East slope OL; 2°45.376, 35°57.523 South-west slope OL; 2°46.360; 35°53.536 Western slope OL; 2°45 |  | | Journal (article/letter/editorial) | | soda-bearing ones ; but, as I shall show later, albite is quite a common associated mineral at this locality...with the lavas, seen in extenso on the hill-face, slope steeply outwards, while the valley stream-sections...stream-sections show a like relation in detail. On the south-east end of Beinn Fhada part of an earlier granophyre...Gearna referred to above. On the north-eastern slope at a height of about 1200 feet, large amygdales...small and are filled mostly with compact, massive albite. The fibrous zeolite is scolecite, and associated |  | | Report (issue) | | Frontispiece Panorama of the Judith Mountains. Looking east from the South Moccasin Mountains. 11 » G Grow'--*...Photomicrograph of quartz monzonite porphyry from west slope of Judith Peak. B. Photomicrograph of dark gray...A. Pseudoleucite tinguaite porphyry from sill at east base of Lookout Peak. B. Photomicrograph of green...of coarse-grained alkali granite porphyry from east slope of Judith i eak. B. Photomicrograph of same specimen...coarse-grained alkali granite porphyry from southeast slope of Judith Peak. B. Photomicrograph of coarse-grained | | | Book | | EDWARD GUBELIN, collector and jeweler, Lucerne, SWITZERLAND j& CLAUDE GUILLEMIN, Director, National Geological... HOFMANN, Professor, School of Mines, Freiberg, EAST GERMANY ¥~ GEORGE HOLLOWAY, collector, Northridge...Swiss Federal Institute of Technology, Zurich, SWITZERLAND Ye DAVID WILBER, dealer and collector, Reno,... U.S. A. WERNER BURGER, collector, Zurich, SWITZERLAND ¥& FRED CASSIRER, collector, New York, New York...Swiss Federal Institute of Technology, Zurich, SWITZERLAND x JOHN JAGO, collector, San Francisco, California | | | Book | | edward gubelin, collector and jeweler, Lucerne, Switzerland ^ claude guillemin, Director, National Geological...F* HOFMANN, Professor, School of Mines, Freiberg, east Germany ^ GEORGE HOLLOWAY, collector, Northridge...stalder, Curator, National History Museum, Bern, Switzerland ^ jaroslav svenek, Professor, National Museum...Swiss Federal Institute of Technology, Zurich, SWITZERLAND ^ david WILBER, dealer and collector, Reno, Nevada...u. S. A. ^ werner burger, collector, Zurich, Switzerland ^ fred cassirer, collector, New York, New York |  | | Journal (article/letter/editorial) | | STRUCTURE OF GRAYWACKE AREAS AND TACONIC RANGE, EAST OF TROY, NEW YORK BY ROBERT BALK ABSTRACT The report...report deals with the structure of graywacke areas, east of the Hudson River near the latitude of Troy, New...cleavage dips east, and east of the graywacke areas a well-developed lineation plunges east-southeast, parallel...Hudson Valley 814 2. Outline map of Taconic area east of Troy, New York, showing boundaries of areas previously...characteristics and structure of the Taconic area, east of Troy, New York. Where it has been necessary to |  | | Book | | North and East Europe Volume 4 Beryllium : Kola to Primorie Dal’negorsk Siberia and Far East Volume...( North, Middle, Sub-Polar) Volume 11 Diopside East Pamirs Diamonds Volume 12 North Kazakhstan Ukraine...Village, Crimea Subpolar Urals (East slope), Russia Subpolar Urals (East slope), Russia Subpolar Urals Subpolar...Subpolar Urals (East slope), Russia North Kazakhstan Rudnyi, North Kazakhstan Aldan shield, Siberia, Russia...Russia Aldan shield, Siberia, Russia East Pamir, Tadzhikistan East Pamirs, Tadzhikistan Kola Peninsula |  | | Report (issue) | | and Middle Ordovician rocks were deposited on the east-facing shelf (present direction) of the Laurentian...a synform in the Hexenkopf Complex on the west slope of Christines Hill and adjacent area where it unconformably...granitoid or pegmatitic in aspect and were mapped as albite-oligoclase gneiss (Y2la). The origin of these rocks...quadrangle, but good outcrops can be seen on the east slope of Focht Hill near Campbell Pond. Bodies were...crystalline terrane. The best outcrops are on the north slope of the Kirchberg, north of Switchback Road. Hornblende |  | | Report (volume) | | granodwnte porphyry___________________________ Albite granodwnte porphyry _______________ ---_---____________...mcludes the light-colored granodwute polphyry, albite g1anod10r1te porphyry, and alkahc syemte porphyry...light-colored granodiOrite g10up contams abundant albite and sparse aeglrme-augite (?) The qua1 tz monzomte...group, which includes light-colored granodiorite, albite granodiorite, and alkahc 228 GEOLOGY AND ORE...by an albite granodwnte porphyry dike, and a pluton of albite granodiOrite porphyry on the east side of |  | | Book | | numerous crystal pockets, associated with small albite crystals; the platy, flattened-rhombohedral ilmenite...(Gaines, 1971; Pimentel er al., 2009). SWITZERLAND Maderanertal east of Arnsteg, Uri. In the world of classic...Swiss hematite iron roses are quartz, ortboclase, albite, rutile, and zeolites (especially stilbite), whereas...numerous localities in Switzerland, it is only in the Maderanertal region of east-central Canton Uri that...resting on cavity linings of sharp, opaque white albite ("pericline") crystals emerged from Imilchil around |  | | Report (issue) | | State. The two dikes here described are on the west slope of the Wasatch Mountains, near Santaquin and Mount...exposed for 2 miles or m.ore along the lower west slope of the m~in range southeast of Santaq~. This granite...quartzite is. prominent along the middle west slope east of Santaquin. and about 5 miles northeast of...southwest of Santaquin and are.very extensive on the east slope of the main range. These rocks are overlain by...the subject of this paper. The northern dike is east of Santaquin, on the Black Balsam claim. It cuts |  | | Report (volume) | | syncline________________ Faults in the Silurian rocks east of Parmachenee Lake_________ Fault at Little Kennebago...square miles in west-central Maine about 3.5 miles east of the New Hampshire State line. The northern limit...similarity between rocks within it and those on the east flank of the Green Mountain anticlinorirun in northern...miles, the western edge of which is about 3.5 miles east of the Maine-New Hampshire State line. The northern...1) flows west from Umbagog Lake, then south and east to the Gulf of Maine. A local drainage divide in |  | | Journal (article/letter/editorial) | | spilite-keratophyre features: a quartzalbite-epidote to quartz-albite composition, interbedding with deep - water sediments... partly propylitized and also showing a quartz-albite-epidote composition. These intrusives occur at...these rocks are more or less altered to quartz-albite-epidote, the degree of alteration being higher...is controlled by a major fault trending almost ,east-west. Cambrian and Middle Ordovician rocks, lithologically...brought in contact along its west segment. In the east, this fault has been traced in the fairly uniform |  | | Report (issue) | | helicitic inclusions of epidote in late biotite and albite .................................................the Franklin Canyon Formation .. Phenocrysts of albite and amygdules of quartz in metadacite of the Franklin...of seams of talc in antigorite serpentine at the east border of the ultramafic mass south of Bucks Lake...diagrams showing normative amounts of: 37. Quartz, albite, and orthoclase in the plutonic, metavolcanic,...quadrangles .................................... 40. Albite, orthoclase, and anorthite of the plutonic metavolcanic |  | | Journal (article/letter/editorial) | | d erin g s tre a m m a y b e seen in th e m id d le d ista n c e a t th e rig h t. F ig u r e 2. V a...is normal, but quartz, microcline, orthoclase, albite, and sphene have been introduced by late replacement...confirmed the fact that these face chiefly northeast, east, or north. Noting the resemblance to cirques, they...138 TULLIS— GEOLOGY OF LATAH COUNTY, IDAHO T a b le 2.—Description of rocks of Belt Series in Latah County...abundant; alkali feldspar Grades downward (chiefly albite), tourmaline, zir into schist. con, and magnetite |  | | Report (volume) | | 46°07'30" N. and 46°15' N., respectively, and the east and west boundaries are at long 112°52'30" W. and...into three areas: the east slope of the Flint Creek Range, part of the north slope of the Anaconda Range...is flat and surfaced by dissected terraces that slope eastward to the alluvial plain of the Clark Fork...smaller streams drain the east slope of the Flint Creek Range and the north slope of the Anaconda Range....Montana and the occurrences of Tertiary rocks just east of the Philipsburg quadrangle. Emmons and Calkins |  | | Journal (issue) | | Medenbach Bochum, Germany Eric Offermann Arlesheim, Switzerland photomicrography Julius Weber Mamaroneck, New...Fluorite, Bertrandite, Muscovite, Orthoclase, Topaz, Albite, Columbite) Ruby Mountain Nathrop (Spessartine...(Quartz var. Smoky, Topaz, Microcline var. Amazonite, Albite, Cassiterite, Ellsworthite, Columbite) Longhollow...Bastnaesite, Fluorcerite, Columbite, Fluorite, Albite) Eureka Tunnel Colorado Springs, St. Peters Dome...Prosopite, Arfedsonite, Mircocline, Quartz var. Smoky, Albite, Loellingite) Stove Mountain (Cookstove Mountain) |  | | Report (volume) | | _____________________ Sericite-quartz-chlorite-albite schist and phyllite,_________ Carbonaceous qua...formation_______________________________________ Quartz-sericite-albite-chlorite granulite___________________ Quartz-sericite-chlorite...the bedrock to erosion. Most of the area is on the east limb of the Green Mountain anticlinorium, which...anticlinorium and other anticlines and synclines to the east are the major longitudinal structural features of...the province of Quebec, Canada (see fig. 1) in and east of the Green Mountains in north-central Vermont |  | | Report (issue) | | contains phenocrysts of albite as much as 3 mm long in fine-grained matrix of albite-quartz- microcline and...hornblende-epidote amphibolite or lighter green ankerite-albite-hornblendechlorite greenstone, interpreted as metabasalt... and Cambrian)--Dark grey to grey-green, white albite-studded, biotite-muscovite quartz schist and granofels...magnetite chlorite-muscovite-quartz albite+ GZts schist albite; varies from fine-grained and lustrous...schist to a medium-grained dull-weathering biotite albite schist; GZtbs, black schist--dark grey to black |  | | Report (volume) | | Black Canyon and Curecanti Needle; B, Black Canyon east of the mouth of Cimarron Creek..______________________...__ 64 XI. A, North wall of Black Canyon 2 miles east of Curecanti Needle; B, Black Canyon from north...shonkinite___.___-___-___-__________64 XV. A, View from east rim of Cebolla Canyon opposite Tolvar Peak; B, View...tongues running up side streams-for short distances. East of Lake Fork the superjacent rocks have been partly...Vernal Mesa, have been studied in detail, but those east ' Before this bulletin, could be sent to the printer |  | | Journal (article/letter/editorial) | | outer zones are granitoid aggregates ol qtartz, albite, perthite, and muscovite, and are relatively thin...are characterized by an abundance of highiy soCic albite, lepidolite, and white to pink muscovite. Additional...lithium-bearing pegmatite are exposed high on the east slope of the Sangre de Cristo Range near and along...steeply dipping planar structure trends northeast to east. Beginning a short distancewest of the pegmatite...coarse-grainedaggregates of qnartz, perthite, and albite, with subordinate muscovite and lepidolite. The |  | | Report (volume) | | __________.__-______-______________--__----14. A, East slope of Portage Shoulder from head of Passage- Canal;...Portage Shoulder down Portage Valley.... 15. South slope of Portage Shoulder______-____-___---.------__ 16...argillite fragments in matrix of graywacke en west slope of Portage Shoulder; B, Lower part of Portage Glacier...from foot of Portage Shoulder in 1914; B, West slope of Portage Shoulder, showing large fold in beds...in the present study is about 6 miles long from east to west and ranges in width from 0.5 to 1.5 miles |  | | Report (issue) | | facies Distribution and character_ _ Petrography Albite-oligoclase granite Distribution and character Petrography...Petrography and chemical composition.. Albite-quartz pegmatite Character and distribution Petrography...Quartz diorite and related facies Albite-oligoclase granite and albite-quartz pegmatite Hornblende granite...of rock units Albite-oligoclase alaskite sheet Ore-bearing zone of dark gneisses Albite-quartz pegmatite...microantiperthite alaskite Composite sheet of albite-oligoclase alaskite and albite-microantiperthite alaskite Mixed |  | | Journal (article/letter/editorial) | | surrounding autochthone. The grade decreasesfrom east to west, and the rocks range correspondingly from...te-quartz (4) muscovite-stilpnomelane-chlorite-albite-microcline-quartz (5) muscovite-biotite-quartz-graphite...with the more hydrous assemblage, kaolinite plus albite, taking the place of paragonite plus quartz. Rocks...fine-grained schists in the Taconic Range along the east side of the area, where the grade of metamorphism...itself or in association with Quattz, qvattz and albite, or quattz, chlorite in a specimenis easily checked |
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