 | | Journal (article/letter/editorial) | | o s Origin and age of the Eisenkappel gabbro to granite suite (Carinthia, SE Austrian Alps) C. Miller...Universität Innsbruck, Innrain 52, A-6020 Innsbruck, Austria Department für Lithosphärenforschung, Geozentrum...Geozentrum, Althanstrasse 14, A-1090 Wien, Austria Institut für Analytische Chemie, Universitätsplatz 1, Universität...Universität Graz, A-8010 Graz, Austria a r t i c l e i n f o Article history: Received 6 October 2010...Plutonic suite Magma mixing Sr–Nd correlation Eisenkappel Eastern Alps a b s t r a c t The northern part |  | | Journal (article/letter/editorial) | | Geowissenschaften, Montanuniversit~it, A-8700 Leoben, AUSTRIA Geologische Rundschau, 73, 1, 131 - 147, Stuttgart..."Basis-Amphibolite" (with migmatite, ortho-, augenand biotite-plagioclase gneiss) of unknown age follows in the P e n n...biostratigraphically dated Silurian dolomite bands of "diabase", quartz-porphyry and pods of serpentinite, which...and the paleozoic areas at Graz, Lavamiind, Eisenkappel and the Gurktal. Generally, Upper Ordovician...and discordant Hg-ores (Gurktal), Cu-Pb-Ag-Hg (Eisenkappel), Cu-siderite-pyrite lenses (Eastern Greywacke |  | | Journal (article/letter/editorial) | | potassium-poor and correspond to the biotite-plagioclase gneisses which are widely distributed in the...with these banded sequences of amphibolite and plagioclase gneiss, which appear in the higher portion within...Alpen. Here, too, there is a predominance of plagioclase gneisses, which in places show transitions to...of reworked volcanic rocks contained in the plagioclase gneisses. In discussing the age of sedimentation...show no signs of volcanic activity. Diabases, diabase breccias, greenschists, and prasinites appear in |  | | Report (issue) | | _________ Intrusive rocks.____-____----____ Quartz diabase. Hornblende dacite porphyry. Pyroxene andesite_________..._ Geology of a potential damsite in the Carbon Gorge. _ Suitability as a damsite_ _____________________...latite, and the coarser grained rocks are quartz diabase and hornblende dacite porphyry. Bituminous coal...stratigraphic section of the Puget Group in the Carbon Gorge. The most comprehensive report on this area was... 5 E., where Lily Creek spills into the Carbon Gorge over outcrops of sandstone; and low falls and rapids |  | | Journal (article/letter/editorial) | | granite .. . . . Aplite and fine-grained granite . . Diabase Injection gneiss . Paleozoic and Mesozoic sediments...443 446 Assrnacr The Eight Mile Park pegmatite district, three to twelve miles west of Canon City, Fremont...feet in altitude, that is bisected by the Royal Gorge of the Arkansas River, rvhich is nearly 1200 feet... The youngest pre-Cambrian rocks are dikes of diabase. Veins are not common. The injection gneiss was...secondary units containing concentrations of sodic plagioclase, muscovite, and rarer minerals are strongly developed |  | | Report (issue) | | their origin, and to describe the geology of the district in sufficient detail so that remapping would not...and Rocks Intermediate between Red Granite and Diabase ....................... . 40 Small Dikes and Veins...Rock Lighthouse, Located on an Anorthosite and Diabase Cliff . . . . . . . . . . . . . . . . . . . . .... . . . . 4. Typical Shore Line of Beaver Bay Diabase. Anorthosite Hill on the Sky Line................Baptism River. Diabase Hills in the Distance.... 6. Beaver River at Low Stage, Flowing over Diabase Talus. |  | | Report (issue) | | to Bob's Store. Prince Location. Riverdale Road Quarry. Canadian Lakehead and Vicinity. Kaministikwia...below Black Bay Bridge. Rove shales, Pigeon River gorge. In Lake Superior Provincial Park. Quartz sandstone..."Palisades from Reflection Lake. North Kama Hill. Diabase sills in distorted Sibley sediments. Rossport beach...PROTEROZOIC KEWEENAWAN: INTRUSIVE IGNEOUS ROCKS: Diabase, quartz porphyry, syenite and related rocks OSLER...taconite. Black, thinbedded shale is exposed in the gorge of the Kaministikwia River below Kakabeka Falls |  | | Book | | derives its name from the saltmining district of Hallstatt in Upper Austria, where many prehistoric finds have...anion and allows great variation in composition. Plagioclase feldspars provide a good example of this (compare...chlorite, serpentine, clay minerals, orthoclase, plagioclase, nepheline, leucite. must be mentioned. Examination...norne basalt gabbro*dolerite (diabase) porphyry *melsphyre dolerite (diabase) olivine augne hornblende...striations (cp. Fig. 16, p. 93). Habachtal, Salzburg, Austria. Center left Iron cross twin of pyrite. Below left |  | | Report (issue) | | Howard, and Anne Arundel Counties, Maryland and the District of Columbia By Avery Ala Drake, Jr. 1 Open-File...HOWARD, AND ANNE ARUNDEL COUNTIES, MARYLAND AND THE DISTRICT OF COLUMBIA By Avery Ala Drake, Jr. INTRODUCTION...are in Howard and Anne Arundel Counties, and the District of Columbia. Most of the area is suburban, and...grained and consists of abundant quartz and plagioclase and lesser biotite and muscovite. The rock has...muscovite, and biotite and much lesser amounts of plagioclase. Much of the rock is garnetiferous, and the more |  | | Journal (article/letter/editorial) | | the contrary, a period of volcanic activity in a district would seem to be almost invariably followed by...outbursts of the volcanic forces in the Alpine district, we have unfortunately some great difficulties...Southern Tyrol, and in the country about Eaibl in Carinthia. At a number of intermediate points and at some...the operations which took jDlace, occurs in the district of the Southern Tyrol. The old volcanos of this...from the borders of Switzerland on the west to Carinthia in the east. The rock of the quartz-porphyry of |  | | Book | | pi F P/(A + P) plagioclase Anos-ioo feldspathoid feldspar ratio (f.r.); plagioclase/ total feldspar...pluton. ^ 1. Coarse-grained rock in which calcic-plagioclase (usually labrador-^ ite) and orthopyroxene (usually...diamonds. Also named ureilite. achondrite, pyroxene-plagioclase meteor. Stony meteorite, the commonest of the...hornblende-biotite-pyroxene rock, orthoclase sodie-plagioclase rock (perthosite). [Ach-uaine, Scottish locality]...others, formed by low-grade contact metasomatism by diabase of shale, argillite, or slate. [Possibly Gk. adinos |  | | Report (issue) | | one Flow, Michigan ---------------Hypabyssal (diabase) provinces --------------Triassic basin, Eastern...Eastern United States _____ _ Precambrian diabase, southeastern Missouri_ Great Lake intrusion~ Tasmania ----------Gold...Pennsylvania __ J eronie district, central Arizona --------------Bullfrog district, Nye County, Nev ____________...of gold content of rocks _from some hypabyssal (diabase) provinces of the United States and Tasmania -...Quartz Monzonite from underground workings, Butte district, Montana _____ :_ ________________________ _:_____ |  | | Book | | laumontite are found. Merlinoite is found with plagioclase, stilbite, chabazite, and quartz in manganese...hot rock are the first to alter, whereas the plagioclase is only slightly or not at all affected. The...Lower Miocene columnar basalt in the Narre Warren Quarry, near Melbourne, Australia. The minerals are believed...HEXOCTAHEDRON {345} TRISOCTAHEDRON {233} BOYLSTONE QUARRY, BOYLSTONE QUARRY GLASGLOW, SCOTLAND, U.K. GLASGLOW, SCOTLAND... across, with cube faces from the Magheramore Quarry, Lame, County Antrim, Northern Ireland, U.K.; SEM | | | Book | | laumontite are found. Merlinoite is found with plagioclase, stilbite, chabazite, and quartz in manganese...hot rock are the first to alter, whereas the plagioclase is only slightly or not at all affected. The...Lower Miocene columnar basalt in the Narre Warren Quarry, near Melbourne, Australia. The minerals are believed...HEXOCTAHEDRON {345} TRISOCTAHEDRON {233} BOYLSTONE QUARRY, BOYLSTONE QUARRY GLASGLOW, SCOTLAND, U.K. GLASGLOW, SCOTLAND... across, with cube faces from the Magheramore Quarry, Lame, County Antrim, Northern Ireland, U.K.; SEM |  | | Journal (article/letter/editorial) | | Petrographische Abteilung, Naturhistorisches Museum, Wien, Austria Genesis of Garnets in Some Magrnatic Rocks from...and Embey-Isztin, 1978) are associated with the diabase intrusion. Pink garnet occurs there in leucocratic...leucocratic (trondhjemitic) nests of the gabbro in the quarry of T6b6rcbfinya (Szentpdtery, 1953). Petrography...opaques, and plagioclase (diameter 2.5 mm). (d) Csehv~ir, plagioclaserich garnet with plagioclase corona,...and plagioclase (diameter 4 mm). (0 Pilisszentl61ek, garnet intergrown with cluster of plagioclase crystals |  | | Journal (issue) | | Field trip report: Manassas quarry .................. p. 17 Manassas quarry geology, part 1 .............1980, and some areas are now a historic mining district. Powdered hematite is used as a polishing compound...buildings and monuments. Geology of Holmes Run Gorge Self-nominations are nominations! Fresh ideas from...r1haskins@verizon.net. November 9, 9 a.m.–5 p.m. Holmes Run Gorge is a canyonlike area less than 2 miles from NOVA...college, followed by a 4-hour geologic tour of the gorge. Then you will have 10 days to complete a set of |  | | Journal (article/letter/editorial) | | THE IGNEOUS INTRUSIONS OF THE LUGAR AND CUMNOOK DISTRICT. By ROBERT BOYLE, B . S C , A.G.T.C. [Read 12th...THE igneous intrusions of the Lugar and Cumnock district in Ayrshire are remarkable for a series of dykes...an exactly similar rock, but with subordinate plagioclase felspar. Peridotites usually contain olivine...peridotite, has no exact repre sentative in the district about to be treated, but it is found at Whitelaw...picrite were recorded a few years ago, for the Lugar district, by Mr. George Knox in a paper before Glenfield |  | Lyttle, Peter T., Aleinikoff, John N., Burton, William C., Crider, E. Allen, Drake, Avery A., Froelich, Albert J., Horton, J. Wright, Kasselas, Gregorios, Mixon, Robert B., McCartan, Lucy, Nelson, Arthur E., Newell, Wayne L., Pavlides, Louis, Powars, David S., Southworth, C. Scott, Weems, Robert E. (2017) Geologic map of the Washington West 30’ × 60’ quadrangle, Maryland, Virginia, and Washington D.C. Open-File Report 2017-1142. US Geological Survey doi:10.3133/ofr20171142 | Report (issue) | | Zcm Zcb Tn Tc Qbc Ta Qhm Og* Ocf* Mather Gorge Formation Zfcr Qsh Qts 427–440 Ma; 448±4 Ma...(180 ft) in Maryland and 117 m (384 ft) in the District of Columbia. Layers with phosphatic sand grains... Principal minerals are bluish-gray quartz, plagioclase, microcline, and biotite with lesser amounts...pale-green to pale-brown hornblende, epidotized plagioclase, potassium feldspar, and quartz (Seiders and...iogranite composed predominantly of albitic plagioclase and quartz with minor potassic feldspar. Quartz |  | | Report (volume) | | Valley............................... Courtland district ................................................................................ Fort Ridgely district.................................................................................... Vicksburg district ................................................Granite Falls district.................................................... Montevideo district.............qui Parle district................................................... Ortonville district .......... |  | | Book | | Karl-Franzens-Universitat HeinrichstraBe 26 A-8010Graz Austria ISBN-13 :978-3-642-84642-7 DOl: 10.1007/978-3-642-84640-3...stretching 1500 km between Vienna and Graz in Austria and Genova in Italy. They resulted from the collision...Salzburg, Hellbrunner Str. 34 A-5Ol0 Salzburg, Austria FLISCH,M. Bruckfeldstr. 23 CH-3000 Bern, Switzerland...Salzburg, Hellbrunner Str. 34 A-5Ol0 Salzburg, Austria FRISCH,W. Institut fUr Geologie und Palaontologie...Salzburg, Hellbrunner Str. 34 A-5020 Salzburg, Austria HEINISCH, H. Geologisches Institut, Albertstr. |  | | Journal (article/letter/editorial) | | Hungary (P.01.B.) Neuhaus, Austria (01.B.) Oberpullendorf, Burgenland Austria (01 .B.) . . . . (O1.B.)...Burgenland Austria (P.01.B.) . . . . (P.O1.B.) . . . . (P.01.B.) " " (Dol.) Kollnitz, Carinthia, Austria (B.A...) Kollnitz, Carinthia, Austria (B.A.) K16ch, Styria, Austria (N.B.) Kl6ch, Styria, Austria (N.B.) Steinberg...Feldbach, Styria Austria (N.B.) . . . . (N.B.) . . . . (N.B.) Weitendorf, Styria, Austria (Sh.) . K% Cr(ppm)... N.B. Sh. Dol. = = = = = = olivine basalt plagioclase olivine basalt basaltic andesite nepheline basalt |  | | Journal (article/letter/editorial) | | So., F.G.S. PLATE I. pHYSICAL FEATURES.-The district here described is that part of Devon lying between...Tamar valley is less than 50 feet above O.D. The district is largely covered by pasture, arable fields being...and soft rocks beyond and proceeds to dig a deep gorge. This commences with a 40-foot waterfall at Kitt's...was diverted into its present course and cut the gorge very rapidly. The Tavy rises on Dartmoor and flows...to Triassic times. 22 R. L. SHERLOCK, Our district has never been glaciated, consequently it is cumbered |  | | Report (volume) | | ................... Iron ores of the Richmond district............................. Eastern Massachusetts............................................ 185 Diabase (greenstone)........................................................................ 205 205 Diabase dikes......................................................................................... Diabase........................................................ Talcott diabase .............................................. Holyoke diabase............... |  | | Report (issue) | | of the Cockermouth Fic. surrounding country district to the ae 2 Fic. Fic. Sketch map showing the...the principal folds and faults of the district eo Sketch map to illustrate position of some important...Fic. 23. Sketch map illustrating glaciation of district Fic. Fic. Fic. Collieries oS Bo : . og...IV Bp Piate wD viii ms oes aw ayes EL6 Gorge in Penrith Sandstone, Roe Beck near Highbridge (A...Rhythmic unit of Five Yard Limestone (A 6742) | Quarry in St. Bees Sandstone (A 6588) Bowscale = .. | | | Report (issue) | | Sketch map showing the relation of the Cockennouth district to the surrounding country .. 2 Sketch map showing...showing the principal folds and faults of the district . . 11 Sketch map to illustrate position of some...Collieries 198 Sketch map illustrating glaciation of district . . 223 .. .. .. .. PLATES PLATE I PLATE...Limestone (A 6742) Gorge in Penrith Sandstone, Roe Beck near High bridge (A 6590) Quarry in St. Bees Sandstone...EXPLANATION PLATEI PLATEII OF PLATES On Elva Hill the quarry in the foreground is in diorite and that in the |
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