 | | Journal (article/letter/editorial) | | IN T H E H A R Z MOUNTAINS, FEDERAL REPUBLIC OF GERMANY P. MOLLER', G. MORTEANI2 and P. DULSKI' 'A bteilung...m.b.H., D-I O00 Berlin 39 (Federal Republic of Germany) ~A bteilung f~r Geophysik, Petrologie und Lagerst~ttenforschung...Berlin, D-1000 Berlin 12 (Federal Republic of Germany) (Received June 7, 1983; revised and accepted December...veins in the Harz Mountains, Federal Republic of Germany. Chem. Geol,, 45: 91--112. Studies of the REE distribution...gneiss; 6 = gabbroic and noritic rocks near Bad Harzburg; 7 = major veins; 8 = c o n t a c t aureole |  | | Journal (article/letter/editorial) | | OF ALTERED VARISCAN GRANITES: THE WESTERN HARZ (GERMANY) AND SOUTHERN SARDINIA (ITALY) G. M O R T E A N...Miinchen, 8046 Garching (Federal Republic o f Germany) 2A. G. Geochemie, Hahn--Meitner-Institut fiir... m.b.H., 1000 Berlin 39 (Federal Republic o f Germany) 3 Geochemisches Institut der UniversitEt G6ttingen...G6ttingen, 3400 GSttingen (Federal Republic o f Germany) (Received December 3, 1984; revised and accepted...of altered Variscan granites: the western Harz (Germany) and southern Sardinia (Italy). Chem. Geol., 54: |  | | Journal (article/letter/editorial) | | crystalline rocks of the Upper Harz Mountains, Germany By ALBRECHT BAUMANN, BORW1N GRAUERT, Miinster,...metasedimentary rocks of about 1 . 6 G a or older. The lower intercept indicates a possible metamorphic event...Mountains. Emplacement of the intrusions of the Harzburg gabbronorite and the Brocken and Oker granites...the Ecker gneiss block, now squeezed in between Harzburg gabbronorite and Brocken granite, was connected...place des intrusions du massif gabbronoritique du Harzburg et celle des granite de Brocken et d'Ocker ont |  | | 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 (article/letter/editorial) | | Ardnamurchan (Centre 11I Complex), clinopyroxene, biotite, 335 Crinan, ferri- and ferro-stilpnomelane, 467...wollastonite, 649; lithian tourmaline, 747 Newhurst quarry, Shepshed, Leicestershire, vesigni6ite, 533 Cornwall... goethite, hematite, 89 Tregarden, biotite, 79 Trelavour, biotite, 79 WALES (Cymru) Nantycagal mine...* Confluence of Carneal Water and Clenoe Water Germany (Deutschland) Bramburg, G6ttingen, tacharanite...Breitenbrunn ( ~ Breitenhof), Saxony, helvine, 627 Schwarzenberg, Saxony, belvine, 627 ~gi~ (~l~jquO |  | | Journal (article/letter/editorial) | | Institut, Goldschmidtstr. 1, D-37077 Gottingen, Germany ¨ Received 25 December 1997; accepted 21 December...more. With the exception of the spring waters on gabbro ŽpH up to 7.7. all waters on the highly siliceous...distinct increase in high ANC Žaq. spring waters on gabbro. Pb, As, Sb and Tl are characterized by being found...system in the Northern Harz Mountains of Central Germany has been chosen because of the wide range of chemical...chemical composition of granite, gneiss, gabbro and quartzite. level ŽASL.. was built between 1939 and |  | | 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 |  | | Journal (article/letter/editorial) | | magnesio-arfvcdsonite, 317. Hasvik, SOrOy, gabbro, 815. Sulitjehna, almandine, biotite, hornblende, muscovite, paragonite...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...('tavistockite'), 123. Tregarden, biotite, 606. Trelavour, biotite, 6o6. WALES Moel Goedog, Harlech |  | | 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,...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...(S.), see SARBADHIKARI (T. n.), 770. Bhilwara district, ]~ajasthan, India, scorodite, 776. BmaAR (G. |  | | 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 (edition) | | common and which have practical usage. Here belong biotite (with end-members annitephlogopite), lepidolite...among the most important rockforming minerals (eg: biotite. olivine), or among the important economic ore...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 |  | | 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 | | important enough to modify the name, for example, biotite granite, hornblende syenite, bituminous limestone...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 |  | | Book | | Binding: Lüderitz & Bauer, Berlin. Printed in Germany. Dedicated to my former teacher and friend Professor...Grigoriev (U.S.S.R) Prof. Dr. F.K. Drescher-Kaden (Germany) Mr. D. Minatidis (Canada) Dr. E. Mposkos (Athens)... Dr. Thesis, University of Frankfurt am Main, Germany. Fig. 551, by Wager and Deer from Theoretical Petrology...With it may be associated more or less muscovite, biotite, and magnetite, representing micaceous, chloritic...origin basic xenoliths in granites, consisting of biotite or biotitehornblende schists, "igneous" in origin | | | 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 |  | 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 (Llandeilo—Ashgill)...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 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) | | authors are printed in SMALLCAPITALS,Subjects in lower-case roman, and Localities in italics. The minerals...954) are not included in this index. Aberdeen, biotite, 606. Acmite, synthesis, solid solution with diopside...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...Microcline perthites, I35; Muscovite from Nellore, I4O; Biotite from Nellore, 39 I. 974 ALPHABETICAL Baia Mare |  | | Journal (article/letter/editorial) | | intrusion and rapid cooling of the Frankenstein gabbro (Odenwald, SWGermany) evidenced by4~ and single-zircon...saxothuringischen Zone der Varisciden. An Mineralien aus Gabbro-Gesteinen dieses Komplexes wurden 87Sr/86Sr-Anfangswerte(Pyroxen)...(Zirkon) bestimmt. Das 87Sr/86Sr-Anfangsverh:,iimisdes Gabbro weist Nit 0.70380 auf Mantelherkunft hin. Die K-At-Alter...intrusion and the mode of cooling. Pyroxene and biotite data indicate disturbed K-At systems of these minerals...and cooling of mafic plutonic rocks. R~sum~ Le gabbro de Frankenstein, situ~ dans la pattie nord de l'Odenwald |  | | 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 |  | | Book | | periods of stability PLANET | 114 San Carlos district, Chihuahua, Mexico * 8 x 4 x 2 om are uncommon...manganese oxide on limestone, Solnhofen, Bavaria, Germany * 11.5 x 24x 0.5 cm Murcia, Spain * 14x 11x 5...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 | | | 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 |  | | 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 |  | | 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 |  | | 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 |
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