 | | Journal (article/letter/editorial) | | wollastonite, 649; lithian tourmaline, 747 Newhurst quarry, Shepshed, Leicestershire, vesigni6ite, 533 Cornwall...* Confluence of Carneal Water and Clenoe Water Germany (Deutschland) Bramburg, G6ttingen, tacharanite...Breitenbrunn ( ~ Breitenhof), Saxony, helvine, 627 Schwarzenberg, Saxony, belvine, 627 ~gi~ (~l~jquO...glauconite, 753 SCOTLAND France Auchinstarry quarry, Kil~yth, Stirlingshire, julgoldite, 761 Blackcraig... 59 Portsoy, Banffshire, migmatites, 66r Ratho quarry, Edinburgh, julgoldite, 761 Champagnac, Cantal |  | | Book | | look for. Michael OâDonoghue 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) | | Authors are printed in SMALLCAPITALS,Subjects in lower-case roman, and Localities in italics. T h e m i...Aerugite, synthesis, 72; Cornwall, anal., X-ray, 72; Saxony, anal., X-ray, 72. Aeschynite-priorite series,...FLINTER (B. H.), Varlamoffite from Malaya, 622. Almandine, Israel, anal., opt., cell-size, 385; New South...topotactic formation from y-CaSiOa, 347. Ankerite, Germany, topotactic decomposition of, 634. Anthoinite,...Arsenobismite, Brazil, 785. Artern, Sachseu-Anhalt, Germany, mellite, 542. ASWATHA~ARAYA~A(U.), Isotopic ages |  | | Journal (article/letter/editorial) | | magnesio-arfvcdsonite, 317. Hasvik, SOrOy, gabbro, 815. Sulitjehna, almandine, biotite, hornblende, muscovite,...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. |  | | Journal (article/letter/editorial) | | by concentrically zoned duniteâclinopyroxeniteâgabbro (âplatinumbearingâ) and ophiolitic massifs with...with intensely serpentinized rocks of the duniteâharzburg ite complex being the most widespread. Direct...[1, 3â5, 7â11, 14]. The wellknown Klyuchevskoi gabbroâultramafic massif is the most representative ophiolitic...top downward): duniteâwehrliteâ clinopyroxeniteâgabbro (layered part of the ophiolite section) and duniteâharzburgite...peridotites). The duniteâwehrliteâclinopyroxeniteâgabbro com plex constitutes several tectonic blocks in |  | | Book (edition) | | 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...byssolite. Mono- coast of North America: Kobuk River Valley, Alaska, clinic, C2/m, a,b,c = 9.89, 18.20, 5.31 |  | | Journal (article/letter/editorial) | | Ladysmith (Rosemeyer 1999, the Vulcan Materials quarry in Racine (Scovil 1994), the pegmatites of Florence...marcasite. A major mining district, the Upper Mississippi Valley zinc-lead district, was in these rocks in...and copper minerals were found. Mining in this district ceased in the late 1970s. A branch of the Middle...River Falls from 1969 to 1986. Coarse crystalline almandine, talc, magnetite, and various amphiboles came...may have omitted. Adams County Hamilton Mound. A quarry is located in the NE 1/4 sec. 36 T*20N*R.6E.: potassium |  | | Journal (article/letter/editorial) | | Ferruginous Hornfels from Riekensgliick, Harz Mountains, Germany K. A b r a h a m and W. Schreyer Institut ffir...ffir Mineralogie, Ruhr-Universit~t Bochum, Germany Received April 9, 1973 Abstract. T h e hornfels first...assemblage olivine-cordierite-spinel, and a subsequent, lower-temperature stage 2, in which the additional phases...Brocken massif in the Harz Mountains of Central Germany. The minerals formed in the hornielses under the...operation at the southern end of the town of Bad Harzburg. They represent a type of hornfels which according |  | | 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 |  | | Catalog/List | | ALLEMONTITE An intergrowth of arsenic and antimony Germany Harz Mountains, Andreasberg Rich gray botryoidal...marble ..... . Connecticut Canaan, New England Lime quarry Silky white xl prisms in dolomitic marble .......material ........... Arizona Cochise Co. , Swisshelm district Rich brown to gray massive, some with minor cerussite...aluminum silicate Calilornia Placer County, Grass Valley Hornblende Norite Broad white crystal sections...chloro-phosphate :\'ew Hampshire Grafton Center, Ruggles quarry Olive green masses in pegmatite ....... Fl. APOPHYLLITE |  | | Journal (article/letter/editorial) | | authors are printed in SMALLCAPITALS,Subjects in lower-case roman, and Localities in italics. The minerals...homogenized natural, 489. ALLEN (J. A.), anal. by, 638. Almandine, Norway, anal., 693. Alum Bay, Isle of Wight,...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.) |  | | Book | | Tubingen Germany and c. Schmitt-Riegraf Lecturer in Mineralogy University of Munster Germany Translated...Chapman & Hall GmbH, Pappelallee 3, 69469 Weinheim, Germany Chapman & Hall USA, 115 Fifth Avenue, New York...Verlag, P.O. Box 30 03 66, D-70443 Stuttgart, Germany Softcover reprint of the hardcover 2nd edition...group Pyrochlore and koppite Gamet group Pyrope Almandine Grossularite Melanite Leucite Sodalite group Analcite...Schwabische Alb and in the Laacher volcanic areas of Germany. 2. We give emphasis to the common minerals. They |  | | Book | | results in a pseudo-symmetry, i.e. crystals of lower symmetry are twinned in such a way that they form...between that of the sample and that of the next lower grade. In this case we consider the hardness to...Different scratch hardness on kyanite 20 somewhere lower grade adding a half-grade to it. Although the determination...fibrous and porous aggregates often seem to have a lower hardness because of the blank spaces between individual...identification. Nobody should be discouraged by initial bad luck, it is sometimes difficult even for an expert |  | Stephenson, D., Bevins, R. E., Millward, D., Highton, A. J., Parsons, I., Stone, P., Wadsworth, W. J. (1999) Chapter 4: Lake District and northern England. In Caledonian Igneous Rocks of Great Britain (Geological Conservation Review Series - Geological Conservation Review No. 17. Joint Nature Conservation Committee, Peterborough. p.135-216. | Book (chapter) | | British BG5 Geological ,835 Survey Chapter 4 Lake District and northern England Introduction INTRODUCTION...INTRODUCTION D. Miliward In Ordovician times the Lake District and northern England formed part of the microcontinent...intense igneous activity occurred in the Lake District. Firstly, during the Ordovician (LlandeiloâAshgill)...culminated in the emplacement of much of the Lake District granitic batholith (Hughes et al., 1996). Secondly...additional granitic plutons were emplaced in the Lake District and northern England subsequent to the closure |  | | Book | | minerals are the raw materials of the landscape. Every valley, hill and mountain peak is made entirely of rocks...just 20km/12 miles beneath Californiaâs Central Valley, it is substances like zinc and lead that join...so great that the iron simply cannot melt. The lower mantle is 6702,900km/420-1,800 miles down. Here...the underside of the crust, creating rocks like gabbro. Some oozes up into vertical cracks created by...drop away down these 'faults' to open up a rift valley, flanked by mountains formed from blocks that didn't |  | | Journal (article/letter/editorial) | | are p r i n t e d in SMALL CAPITALS, Subjects in lower-case r o m a n , a n d localities in italics. The...ATKtN (D.), see LIVINGSTONE(A.), 441 Auchinstarry quarry, Kilsyth, Scotland, julgoldite, 76I Avondale, Auckland...layered gabbro, 7o3 Bramburg, Germany, tacharanite, I 13 Breitenbrumm ( - Breitenhof), Germany, helvine...Lukmanier, Switzerland, aluminian hornblende, 3o8 Gabbro, kaersutite-bearing, East Greenland, petr., anal...reyerite, 325; --, see CLIFF(G.), 113 Garnet, see Almandine, Pyrope, Pyralmandite Garnet porphyroblasts, spherically |  | | Journal (article/letter/editorial) | | authors are printed in SMALL CAPITALS,subjects in lower-case roman, and localities in italics" book reviews...Andhra Pradesh, India, anal., opt., 28o and M3 I Almandine, Grand Canyon, Arizona, anal., M25; Donegal, anal...of primary Cu-S mineralization in the Freetown gabbro, Sierra Leone, IiI Brattfors mine, Nordmarks Odalfalt...geochemistry of loveringite, 187 Cannington Park quarry, Somerset, djurleite, 172; durangite, 172; milarite...Carrollite, W. Australia, anal., opt., 93; Congo and Germany, anal., 93 Cassiterite, twinning, post-growth readjustment |  | | Catalog/List | | mass of black crystals, some Mount Malosa, Zomba District, free standing. ______ ______ Malawi Black crystal...well formed dodecahedral Madagascar 1 ins ÂŁ4 ALMANDINE 1 Crystal I inch across garnet group__________...Arizona Pure green cleavage AMAZONITE Landsverk quarry, Evje, Norway Ixl 50p lx2ÂŁl 11 felspar group____________...ÂŁ3 7 Pure black mica plate new Analysis , Saga Quarry, Tvedalen near ANNITE Mica__________ paper available...Chrysotile, pale grey-green Ixl ÂŁ1 County Bridge Quarry,Lizard Mg Fe SiO_______ massive. _________ .Cornwall | | | Book | | results in a pseudo-symmetry, i.e. crystals of lower symmetry are twinned jn such a way that they form...that of the next lower grade. In this case we consider the hardness to be of the lower grade adding a half-grade...fibrous and porous aggregates often seem to have a lower hardness because of the blank spaces between individual...identification. Nobody should be discouraged by initial bad luck, it is sometimes difficult even for an expert...should preferably be more detailed, e.g. walls of a quarry, or refuse heap specimen, so that one could find |  | | Journal (article/letter/editorial) | | amphiboles from camptonites, 913 Heroes and FeCy, almandine pseudomorphous after plagioclase in a metadolerite... hydrobasaluminite, basaluminite, 931 Merebead quarry, Somerset, mendipite, chloroxiphite, 9o i St. Austell...Cornwall, luxullianite, 441; 442 Scar Crag, Lake District, arsenopyrite, alloclase, glaucodot, cobaltian...intergrown with clausthalite and wittichenite, 13I Germany (Deutschland) Clara mine, Black Forest, cuprotungstite...jadeite, phengite, pumpellyite, and lawsonite in gabbro, 979 Termignon, Haut Savoie, blueschist-facies |  | | | | rhyolite (p. 256) Medium diorite (p. 250) Dark gabbro (p. 252) andesite (p. 260) basalt (p. 262) obsidian... In the southern prairies and the St. Lawrence valley, this fragile layer of sediments produced fertile...Township, Cochrane District, Ontario; Darwin Mine, McMurray Township, Algoma District, Ontario; nuggets...(48728): Dendritic, or Treetice. habit PD SE ES Yale District, British Columbia. Width of specimen: 5 cm Similar...Kamloops District, British Columbia; Burwash Creek, Yukon Territory; Coppercorp Mine, Algoma District, Ontario; |  | | Book (volume) | | reserved. H., Hofbuchdruckerei, Cothen-Anhalt (Germany). PRECIOUS The Precious Stones. Precious others...like will the is light quartz from the lower jour setting, a are at on quartz all much... or viewed from a) below, b) of portion lower is colour made or be in the in cut of at...cutting may simply cut so stones form while the lower frequently most diamonds of cutting frequently...hollowed out The vacant. man form the on left Germany with to be have posture greater a window |  | | Book | | names like granogabbro (granite-gabbro), monzogabbro (monzonite-gabbro), rhyodacite (rhyolite-dacite)...[Vulcan, Roman god of fire], plutonite (Pluto and the lower world), and Peleâs 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 |  | | Book (edition) | | 134 143 THE TRACHYTE AND ANDESITE FAMILY THE GABBRO FAMILY . 152 156 170 . THE GREENSTONE FAMILY...The plutonic rocks-granite, syenite, diorite and gabbro - occur frequently in bosses . Laccolite.- A dome-shaped...many igneous areas (e.g. , in the English Lake District and in North Wales) . Dykes and Veins. - A dyke...sometimes form marked features in the scenery of a district ; for, being more capable of resisting the disintegrating...beautiful scenery of North Wales and of the Lake District owes its origin to the great development of volcanic |  | | Book | | vaspian Sea, hina, ndia, etc. âornwall, farz Mts. Germany), âio Tinto Spain), Chile chalcopyrite (copper...fibrous, encrusting aggregates, radiating Javaria Germany), -rimea, 3olivia prismatic crystals (monoclinic)...staurolite, nglesey, ermatt switzerland), osta Valley taly), âalifornia, soda-rich hornblende Turquoise...irzgebirge, pyrargyrite Proustite slack Forest Germany), (dark red silver ore) (Light Red Silver Ore)...Blowpipe: fuses easily âornwall, tiesengebirge Saxony), Thuringia, smaltite (tin white cobalt), cobaltite |
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