 | | Journal (article/letter/editorial) | | St. Austell, columbite, r3I Penryn Granite Co. quarry, Halv,zsso, stokesite, 411 Wheal Cock Zawn, stokesite...I Somerset Mendips, chloroxiphite, 357 Merehead quarry, Cranmore, brucite, blixite, hydromagnesite, hydrocerussite...Saltburn, iron-boracite, 404 Hepworth Iron Co. quarry, Penistone, francolite, siderite (magnesian), 287...WALES(Cymru) Hanter Hill, Radnorshire, actinolite, tourmaline, altered gabbro, 124 Coch, Glamoroan, pyrobelonite...SCOTLAND Arisaig, Inverness-shire, tholeiite, 273 Bad na h'Achlaise, Assynt, Sutherland, fenite, microeline |  | | Book (chapter) | | On Gabbro (Euphotide of Hauy)* By M. Von BUCH. Extracted by M. de BONNARt>. (Annales des Mines for 1816...substances, a rock to which he assigns the name of Gabbro, given it by the Florentines. In the vii volume...a supplementary notice to his first memoir. The gabbro, spread over the four quarters of the world, forming...org/10.1017/CBO9781139225212.006 M. VON BUCH on Gabbro* 43 to be united with hornblende (amphibole)...are determined by Saussure. Although blocks of gabbro are spread over the Pays de Vaud and the environs |  | | 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 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 |  | | 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...objects through a translucent mineral such as actinolite. And you can’t see anything at all through an... Translucent ve ~ 18x oacben Massive jade (actinolite), New Zealand * 29 x 18 x 0.5 cm Opaque Bebe...such as Porcupine and Hemlo districts; Noranda district, Quebec. USA: Mother Lode belt and others 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...of elbaite or rossmanite. Acmite ➔ aegirine. Actinolite ♦ CaiMg,Fe 2+)5 f(OH)ISi4O 11h (9.D, tremolite |  | | Journal (article/letter/editorial) | | Oompositio,z of some of the Rocks of the Lizard District, by W. H. ltadlo~ton, Esq., M.A., F.G.S. (Read...Cornwall : ' ~ "Sketch of the Geology of the Lizard District," by A. ~[ajendie, i. p. 32. "Hints on the Geology..." by Sir H. Davy, i. p. 3S. "On the Serpentine District of Cornwall," by the Rev. J. Rogers, ii. p. 416...works : ~ "On the Physical Structure of the Lizard District," by Professor Sedgwick (Trans. Cambridge Phil...latter is of the same opinion, but suggests that the gabbro, greenstone (including some of what we now should |  | | Book | | immensely popular handbook of minerals appeared in Germany I obtained a copy fo! my personal library and was...culture, derives its name from the saltmining district of Hallstatt in Upper Austria, where many prehistoric...minerals are concerned. Opal is still thought to bring bad luck, and similar stories are told about certain...of these fourfold axes in all. The considerably lower symmetry of a monoclinic crystal is shown in Fig...crystallographic symmetry of a body may often be lower than its apparent geometric symmetry. In a pyrite |  | | 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 | | 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) | | ....... 276 (1) Mainland of Anglesey--south of Valley Station. (2) . . . . near the Lakes. (3) , ,, south...Gahbro. (3) Porphyrite (?). (4) Greenstones. V. Actinolite-tufts in Rocks near Junctions .................Angleseymsouth of Valley Station, ON t h e e a s t e r n side of t h e ' s t r a i t ,2 is t h e gabbro a t G r...separating Holyhead Island from Anglesey. In the district it is called the ' river.' 3 T. O. Bonney, Quart...Journ. Geol. Soc. vol. xxxvii (1881) p. 40. The gabbro is there described as ' near Ty-newydd' (as shown |  | | Journal (article/letter/editorial) | | authors are printed in SMALLCAPITALS,subjects in lower-case roman, and localities in italics. Actinolitc...ALABASTER (C. J.), An occurrence of brucite at Merehead quarry, Cranmore, Somerset, 4o0 ALEXANDER (P. O.) and...the Bondoc Peninsula meteorite, I21 (Syn.), MI Bad na h'Achlaise, Assynt, Sutherland, fenitc, microcline...W.), PItlLLIPS (E. R.), and STONE (I. J.), The lower quartzofeldspathic gneiss at Broken Hill, New South...program to process electron-microprobe data, 414 Gabbro, Marangudzi, anal., norm, mode, conditions of cryst |  | | Journal (article/letter/editorial) | | species, but considers it as a variety of granular Actinolite. Very little, at that period, had yet been prepared...contains as granular Actinolite the varieties from Corsica, those from the valley of Saass, at the foot...called Salite, some of the Mussite and common Actinolite of WERNER ; whereas in the hemiprismatic, we...this is the case in several Mussites, common Actinolite, &c. The specific gravity of 3.350, mentioned...after the authority of WERNER, for his granular actinolite, refers to granular varieties of paratomous Augite-spar |  | | Book (edition) | | scale to soapstone at the other. There is a still lower limit in liquids and gases; but of the hardness...the planes of the trisoctahedron in Fig. 21. The lower one of the three on the upper front solid angle...by a constant ratio, and the expression for the lower right one of the six planes will be 3c f & la. By...planes will remain essentially the same. In Fig. 10, bad the plane lettered | been made the plane 1, then...being here directly over those suppressed in the lower pyramid. APATITE. If the student will shade over |  | | 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...may have omitted. Adams County Hamilton Mound. A quarry is located in the NE 1/4 sec. 36 T*20N*R.6E.: potassium...converted to a hornfels at the contact with the Mellen gabbro complex: apatite, fayalite, ferroaugite, grunen'te |  | | 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 California’s 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) | | nephrites. Europe Swiss Alps French Alps East Germany West Germany Poland Finland Asia America California Wyoming...and differences I. Broad-prismatic tremolite-actinolite amphibole II. Nephrite Mineralogy of nephrites...deposits are concentrated mainly in the Swiss Alps, Germany, Silesia and northern Italy. The Swiss Alps. Two...of Salux, at the contact between saussuritized gabbro and serpentinites; it is partly schistose and...contact between greenstone (prasinites) formed from gabbro, and chloritized and carlDonatized serpentinites |  | | 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 |  | | Journal (issue) | | Qnartzglass apparatus. Address GEORGE 0. Wff.D, ldar, Germany ZEOLITES and OTHER MINERALS For Which New Jersey...visiting Norway for the first tin1e, e,·en before I bad becon1e a devotee of the han1mer and cold chisel...sailings settled the matter. Once th e decision bad been reached, I set out to secure as much informa-...Kongsberg and its famous sih ·er 1ninei::. HaYhu! bad a taste of Norwegian hinterland railways, ,ve decided...t about six hours passing through a long narrow valley thrusting Its way inland between mountains that |  | Silantyev, S. A., Krasnova, E. A., Cannat, M., Bortnikov, N. S., Kononkova, N. N., Beltenev, V. E. (2011) Peridotite-gabbro-trondhjemite association of the Mid-Atlantic Ridge between 12°58′ and 14°45′N: Ashadze and Logachev hydrothermal vent fields. Geochemistry International, 49 (4) 323-354 doi:10.1134/s0016702911040070 | Journal (article/letter/editorial) | | 2011, Vol. 49, No. 4, pp. 339–372. Peridotite–Gabbro–Trondhjemite Association of the MidAtlantic Ridge...the Nd isotopic compositions of the rocks of the gabbro–peridotite association. The trondhjemites of the...oreforming potential. Keywords: midocean ridge, gabbro, peridotite, oceanic lithosphere, petrology, geochemistry...(USA) in 1997; Yokosuka (Japan) in 1998; Meteor (Germany) in 2002, 2003, 2005–2007; James Cook (United Kingdom)...complex at several sites in the slopes of the rift valley between 14° and 16°N. Since 1992, the ocean floor |  | | 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...pyroxenes and amphiboles Amphibole group 4.3 Actinolite group 4.3.1 Green ('common') hornblende 4.3.2...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 |  | | Book (volume) | | ' This Kupferschiefer is cases. lean in this district, carrying only 1.4% of copper, and no silver,...fissures known as 'rucken' in the Mansfeld copper district also contain occasional nickelite, together with...examples of this type is the cobalt district of Schneeberg, in Saxony, a mountainous region 1,300 to 1...present. Besides quartz-cobalt veins the Schneeberg district contains quite a 3 variety of vein types, which...Schneeberg, cally important deposits of the entire district. the veins are so crowded together in an area |  | | 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 |  | | 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 |
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