 | | Report (chapter) | | late Variscan intermontane Saar-Nahe Basin, SW Germany VOLKER LORENZ 1 & JOST HANEKE 2 1,*Institut fiir...Wiirzburg, Pleicherwall 1, D-97070 Wiirzburg, Germany (e-mail: vlorenz@geologie, uni-wuerzburg, de) 2Landesamt...Rheinland-Pfalz, Emy-ROder-Str. 5, D-55133 Mainz, Germany (e-maik jost. haneke@lgb-rlp, de) Abstract: The...intermontane Carboniferous-Permian Saar-Nahe Basin in SW Germany. The basin fill shows many excellent exposures...across the northern Variscan front into northern Germany (Lorenz & Nicholls 1976, 1984; Breitkreuz & Kennedy |  | | Catalog/List | | Few of the minute crystals you see on mine or quarry dumps or even on cabinet specimens will be satisfactory...at the pristine source underground ar an fresh quarry faces and the like. Very aften though, such source...malachite. About 2-3 nm. BABINGT(}IITE, Goose Creek Quarry near Leesburg, Virginia. Sharp, blad< crystals...949 BELOANTITE, hematite. Small specimens. 132 BIOTITE, Laacher See, Rhineland, Germany. Sharp prismatic...biotite has chemically changed to a mixture of hematite and progressively from phlogopite to clays. These |  | | Book | | immensely popular handbook of minerals appeared in Germany I obtained a copy fo! my personal library and was...needles or fibres radiate from a common center (hematite or reniform limonite, Pls. 13, p. 73, and 21 ...fibrous sphalerite from Diepenlinchen, near Aachen, Germany. PLATE Vo I~ .·• / ~1 rhyolite 37 r . ...chalcopyrite from Herdorf, Siegerland, Germany. Center. Pyrrhotite. Harzburg, Germany. Below Massive chakopyrite...porphyry feldspars (Na, Ca) diorite hornblende andesite *porphyry dioriteporphyry dioriteaplite feldspar |  | | Journal (article/letter/editorial) | | minerals known to pseudomorph siderite include hematite, magnetite, quartz, cacoxenite, calcite, barite...euhedral rhombohedra have been found in basalt, andesite, and diabase. It is a rare constituent of mica...minerals of siderite include sphalerite, galena, hematite, calcite, ankerite, dolomite, fluorapatite, pyrite...pseudomorphs after hematite, occurring as vugs within massive ochre-red hematite, make these some of...from a silicocarbonate sill exposed at the Francon quarry and from the alkali syenite complex notably exposed |  | | Book | | cosmetics, or as sources of color for ceramic glazes. Hematite and other iron oxides create reds and browns,...different optical properties. The play of colors on hematite comes from very thin surface layers similar to...manganese oxide on limestone, Solnhofen, Bavaria, Germany * 11.5 x 24 x 0.5 om MINERALS: PRODUCTS OF A...resembling a pencil. wee. resemble kidneys. Hematite, Frizington, Cumbria, England « 6 x 9 x 5 cm ... Europe: Cornwall, England; Rheinland-Pfalz, Germany. Asia: Yekaterinburg (Sverdlovsk), Ural Mountains |  | | Report (chapter) | | Late Palaeozoic andesite sills of the Flechtingen-Roßlau Block, north of Magdeburg (Germany) Marek Awdankiewicz...Late Palaeozoic andesite sills of the Flechtingcn-RoBlau Block, north of Magdeburg (Germany) MAREK AWDANKIEWICZ...Bernhard-von- Cotta-Strasse 2, D-09599 Freiberg, Germany 3Landesamt fi~r Geologie und Bergwesen, Sachsen-Anhalt...Str. 34, 06118 Halle, Germany Abstract" During Late Palaeozoic times, andesite magmas intruded a 100-m...variations of the sills suggest ponding of the andesite magma within former depositional troughs and syn-emplacement |  | Galuskin, Evgeny V., Galuskina, Irina O., Bailau, Radu, Prusik, Krystian, Gazeev, Viktor M., Zadov, Aleksandr E., Pertsev, Nikolai N., Jeżak, Lidia, Gurbanov, Anatoly G., Dubrovinsky, Leonid (2013) Eltyubyuite, Ca12Fe3+10Si4O32Cl6 - the Fe3+ analogue of wadalite: a new mineral from the Northern Caucasus, Kabardino-Balkaria, Russia. European Journal of Mineralogy, 25 (2) 221-229 doi:10.1127/0935-1221/2013/0025-2285 | Journal (article/letter/editorial) | | Geoinstitut, Universität Bayreuth, 95440 Bayreuth, Germany Abstract: Eltyubyuite (IMA2011-022), ideally Ca12Fe3þ10Si4O32Cl6...altered xenoliths within volcanic rocks of Eifel, Germany and Kel’ Highland (volcano Shadil-Khokh), Southern...other specimens from the type locality of Eifel, Germany showed that it is in part the hydrated analogue...ClKa – tugtupite; FKa – fluorphlogopite; FeKa – hematite; MnKa – rhodochrosite; TiKa – rutile; MgKa – diopside;...(Bayerisches Geoinstitut, University of Bayreuth, Germany) equipped with a 1800 line mm1 grating monochromator |  | | Book | | zeolite mineralogy was done, at that time, in Germany, Italy, France, and Great Britain. Because of differences...derived from volcanic explosions of rhyolite or andesite to produce glassy ash. This ash was carried by...Silica-rich volcanic tuff deposits with a rhyolite or andesite composition that are under 500 meters thick do...In silica-rich tuffs, derived from rhyolite or andesite, silica-rich heulandite (= clinoptilolite) and...Lower Miocene columnar basalt in the Narre Warren Quarry, near Melbourne, Australia. The minerals are believed | | | Book | | zeolite mineralogy was done, at that time, in Germany, Italy, France, and Great Britain. Because of differences...derived from volcanic explosions of rhyolite or andesite to produce glassy ash. This ash was carried by...Silica-rich volcanic tuff deposits with a rhyolite or andesite composition that are under 500 meters thick do...In silica-rich tuffs, derived from rhyolite or andesite, silica-rich heulandite (= clinoptilolite) and...Lower Miocene columnar basalt in the Narre Warren Quarry, near Melbourne, Australia. The minerals are believed |  | | Report (volume) | | ........ 7 Stop 1: Superior (Ash Grove) Silica Quarry .................................................10 Stop 3: Scatter Creek (James Hardie) Silica Quarry..................................................13 Stop 5: Osceola Mudflow in the Corliss Gravel Quarry .................................................alteration in the Scatter Creek (James Hardie) silica quarry ..... 17 4. Geologic map of the White River area...small outcrop about 0.5 km north of the Superior quarry................. 20 7. Silicified flow-banded dacite |  | | Journal (article/letter/editorial) | | Hydrothermal Cu-Bi veinlets in the Kizhnica andesite quarry consist of Bi sulfosalts (bismuthinite, cosalite...cosalite, aikinite, and krupkaite), pyrite, hematite, chalcopyrite, galena, sphalerite, and tetrahedrite...the Kizhnica andesite quarry and Bi-Au-Cu-Te mineralization from hornfels north of the quarry. The results...field (hornblende-biotite porphyry andesite and feldspar porphyry andesite). Three NNW-SSE tectonic zones...(boulangerite and semseyite), with minor pyrrhotite, hematite, chromite, native gold, Ni sulfides (millerite |  | | Report (issue) | | to light-gray olivine andesite of the High Cascade Range are exposed in a quarry. About 1/2 km further...further to the west of the quarry, rocks of the upper Miocene Rhododendron Formation outcrop along the road...interstratified gray, coarsely porphyritic pyroxene andesite flows and multicolored (pink, brick-red, purple)...oxidized and partly altered to montmorillonite and hematite. Primary mineralogy of the groundmass consists...The thin flows of the Rhododendron Formation are andesite with phenocrysts of olivine partly altered to |  | | Journal (article/letter/editorial) | | The samples B-68 to B-73 were collected in an old quarry in the surroundings of Kairjaka . The effusion...small-porphyry latito-andesite, and the lower one is reddish, perhaps secondly altered latito-andesite. To the west...west of the old quarry there is a new one, the rocks in which are coarse-grained pyroxene-biotite latito-andesites...Kardshali . The samples B-60 to B-67 are from a quarry near the highway between Kardshali and Momchilgrad... Trachyandesite Andesitobasalt Latitoandesite Andesite Oligocene 4.485 10 +51 Oligocene 7.952 |  | | Book (edition) | | quartz crystals from a geode in granite; Gigoulande quarry, St. Peter. THE MINERALS OF JERSEY INTRODUCTION... come from veins with andradite garnet in the andesite east of Cotil Point (15). The finely fibrous variety...invading granite in a quarry on Cötil Point (7). Some material from Ronez quarry also verges on the asbestos...granite pegmatites invading diorite, notably at Ronez quarry and all along the dioritic foreshore of Samares...the south-east granite quarry at L'Etacq (15). At another place In the same quarry it occurs in a porous |  | | Journal (article/letter/editorial) | | 15 or more rock units in the series including andesite and rhyodacite lavas, rhyodacite tuffs, agglomerates...Tortworth area, Gloucestershire, are of latite-andesite composition. The Mendip rocks have been deuterically...m = Moons Hill, and d = Downhead. The Matthews Quarry is adjacent to Moons Hill. but the data is nonetheless...volcanics have been recognized in the area including andesite and rhyodacite, as flows and pyroclastics. Dykes...below. Probably 80 per cent of the rocks are not andesite but rather the more acid rhyodacites. The flows |  | | Journal (article/letter/editorial) | | greenstone differentiates.. 196 Flow at South Rang! quarry 168 Origin of the copper deposits 96 "Big»trap...South Range Quarry, Houghton County, Michigan 202 olivine-rich basalt through sodic andesite to rhyolite...with the composition of andesite will be called "glomeroporphyritic andesite." Quincy mine, 14 miles... basalt* andesite glomeroporphyrite basalt andesite* dacite porphyrite basalt andesite* dacite melaphyre...melaphyre basalt andesite* dacite rhyodacite felsite aplite differentiate of doleritic ophite rhyolite |  | | Journal (article/letter/editorial) | | Trier-Kaiserslautern, D-55 Trier, Sehneidershof, W-Germany. 451 Aufsiitze [gpaTIgOe eo~ep~aHHe MeHcriHaHeHI4fr...Tulpetlac flow banded andesite Main Guadalupe phase Cerro Risco reddish blue andesite 15. 16, 17. Main...phase Main Guadalupe phase Cuauhuis weathered andesite 322.2 Main Guadalupe phase 146.1 164.5 Main...Main Guadalupe phase 14, Barrientos andesite flow 9, 179,6 188.4 Main Guadalupe phase Main Guadalupe...Cecilia andesite flow breccia 8. Rambler flow banded andesite Cerro Sta Cecilia andesite 7. 144 |  | | 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 |  | | Catalog/List | | sample B) area on 1.5cm £18 about 8x8mm orange 5 HEMATITE single black "rose" crystal about 7mm across on...feldspar with micro chlorite coating (also on the hematite) 2cm overall size. Classic alpine specimen, Cherbadung...mass of small crystals with magnification) Malad Quarry. Malad, Mumbai district Maharashtra India 7x4 £30...Verbano-Cusio Ossola Piedmont Italy 5x7cm £15 Finero Quarry, 39 SEPTARIANNODULE both halves cut and polished...selenite IChickerell Pit Weymouth Dorset 2x3 £4 65 HEMATITE kidney ore. Good botryoidal about 6x3cm and 3mm |  | | Journal (article/letter/editorial) | | of some kaolin deposits on hot-spring activity. Andesite, granodiorite and arkosic sediments are locally...traced outward from the siliceous residue; however, hematite rather than pyrite accompanies montmorillonite...Springs, known informally as the Steamboat basaltic andesite, in addition to normal volcanic plagioclase, two...normative composition of the Steamboat basaltic andesite includes Or-15 per cent, Ab-34 per cent, An-23...second unusual feldspar in the Steamboat basaltic andesite occurs in only trace amounts and exhibits an X-ray |  | Baggio, Sérgio Benjamin, Hartmann, Léo Afraneo, Lazarov, Marina, Massonne, Hans-Joachim, Opitz, Joachim, Theye, Thomas, Viefhaus, Tillmann (2018) Origin of native copper in the Paraná volcanic province, Brazil, integrating Cu stable isotopes in a multi-analytical approach. Mineralium Deposita, 53 (3) 417-434 doi:10.1007/s00126-017-0748-2 | Journal (article/letter/editorial) | | / Accepted: 31 May 2017 # Springer-Verlag GmbH Germany 2017 Abstract Different hypotheses exist on the...Universität Hannover, Hannover, Germany 3 Universität Stuttgart, Stuttgart, Germany Keywords Paraná volcanic...Cretaceous. However, basaltic andesite, dacite, rhyodacite, and andesite also occur. Rhyolitic flows are...quarries: (1) quarry 86, in the town of Dom Pedro de Alcântara; (2) Brasília-Guaíba quarry, in the town...town of Bom Princípio; and (3) David Basso quarry, in the town of Taquaruçu do Sul (Fig. 2a). In the Santo |  | | Report (issue) | | ..................................... 44 7. Hematite and calcite replacing green translucent travertine...active quarry bench......................................... 50 11. Sketch map showing the quarry area...The Cretaceous Sinjrani Volcanic Group,* mostly andesite, is ,h" oldest rock exposed in the Chagai region...rock type is andesite, followed in abundance by dolerite, basalt, felsic quartz andesite, dacite, and...limestone and tuff are interbedded with these rocks. Andesite ranges in texture from very fine grained to prophyricic |  | | | | often with a semi-metallic lustre. Goethite, hematite, magnetite, pyrolusite, ilmenite, chromite are...known mineral samples. For example, steelgrey hematite has a red-brown streak, while steel-grey molybdenite...Dull or earthy: not shiny or brilliant, e.g., red hematite, clay Greasy or oily: not shiny, not bright, e...26 Red-Brown copper (reddish to brown), p. 20 hematite (steel grey to red), p. 66 cuprite (dark red...p. 96 cuprite (red to almost black), p. 116 hematite (red, black), p. 68 sphalerite (brown, yellow) |  | | Report (volume) | | ............................................. Hematite.................................................minerals, carbonate minerals, clay minerals, and hematite, are frequently superimposed upon the higher temperature...is intruded by late Miocene andesite plugs that probably fed the andesite lava flows overlying the Rhododendron...Mountain. Pliocene andesite flows cap Zigzag Mountain and overlie the late Miocene andesite flows on all sides...Mount Hood. Like the older andesite lava flows, these late Pliocene andesite lavas were probably extruded |  | | Journal (article/letter/editorial) | | and Technology Beijing and Springer-Verlag GmbH Germany, part of Springer Nature 2018 1228 Int. J. Miner...igneous rocks were identified as granodiorite, andesite, basalt, and gabbro and the sedimentary Fig....(microcrystalline + sparry) 3.0 Opaque minerals (hematite, magnetite, etc.) 6.5 Lithic fragments (in sandstone)*...(microcrystalline + sparry) / % Opaque minerals (hematite, magnetite, etc.) / % Lithic fragments (in sandstone)...23 10 40 10 — 5 — 8 — — Andesite (Havran) — — 52 — — 5 2 10 — — Andesite (Gokcebey) — — 75 3 — 1 1 |
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