 | | Journal (article/letter/editorial) | | Large á E. Walcher The Rammelsberg massive sulphide Cu-Zn-Pb-Ba-Deposit, Germany: an example of sediment-hosted...1998 / Accepted: 5 January 1999 Abstract The Rammelsberg polymetallic massive sulphide deposit was the...(sediment-hosted massive sulphide) class of ore deposits. Rammelsberg is brie¯y compared to the other massive sulphide...massive sulphide and barite deposits (including Rammelsberg and Meggen, both are now exhausted), stratiform...this work is to describe the geology of the Rammelsberg deposit as an example of the sedimenthosted massive |  | | Journal (article/letter/editorial) | | lead, that form alternatingbands of pyrite or pyrrhotite and chalcopyrite,sphalerite,galena,and countryrock...California copperdeposits,and those of Rammelsb.erg, Germany,are representative. The origin of this bandedstructurehas...Lindgren, W., and Irving, J. D., "The Origin of the Rammelsberg Ore Deposit," Ecoa. GEoI.., 6, 303-313, 1911...W. H., "Some Ore Deposits in Maine and the Milan Mine, N.H.," U.S. Geol. Survey Bull. 432, I9IO. 2 Bruce...Bruce, F. L., "The Amisk-AthapapuskowLake District," Canada Geol. Survey,, Mere. lO5, pp. 71-76, I918. |  | Sáez, Reinaldo, Moreno, Carmen, González, Felipe, Almodóvar, Gabriel R. (2011) Black shales and massive sulfide deposits: causal or casual relationships? Insights from Rammelsberg, Tharsis, and Draa Sfar. Mineralium Deposita, 46 (5) 585-614 doi:10.1007/s00126-010-0311-x | Journal (article/letter/editorial) | | causal or casual relationships? Insights from Rammelsberg, Tharsis, and Draa Sfar Reinaldo Sáez & Carmen...present study is based on the comparison of Rammelsberg in Germany, Tharsis in Spain, and Draa Sfar in Morocco...they are diachronous and younger southward: Rammelsberg is middle Eifelian, Tharsis latest Famennian...display low Corg and high Stot contents. At Rammelsberg, the Stot/Ctot ratios provide values typical...which suggests anoxic conditions, whereas at Rammelsberg and Draa Sfar oxic bottom water is indicated |  | | Report (issue) | | 90◦ 32(10)0 X-ray Powder Pattern: Island Mountain mine, California, USA. 4.79 (10), 4.03 (9), 5.05 (5)...early alteration product of oxidizing pyrite or pyrrhotite; uncommonly a volcanic sublimate. Association:...alunite. Distribution: In Germany, from the Rammelsberg mine, near Goslar, Harz Mountains; at Pfaffenreuth...Tmavýdůl coal mine, near Rtyně, and from Přı́bram, Czech Republic. In the Kamariza mine, Laurium, Greece...USA, at the United Verde mine, Jerome, Yavapai Co., and the Copper Queen mine, Bisbee, Cochise Co., Arizona; |  | | Journal (article/letter/editorial) | | age in the Cerro de Pasco-Casapalca-Morococha district of Peru has almost constant composition, 'suggesting...direct proportion to their volatilities, so that pyrrhotite, sphalerite, galena, chalcopyrite, arsenopyrite...crystallised and commonly segregate towards the lower margins of the basic igneous bodies where they may...rocks of the norite-gabbro family, consist of pyrrhotite, chalcopyrite and pentlandite, together with...bubbles and pyrrhotite globules of graded sizes. Granite: Pyrite = 3:1; 75% glass + 25% pyrrhotite; 141O°C: |  | | Journal (article/letter/editorial) | | SEDEX-type mineralizations of the Rhenish Massif (Germany) - implications for future Pb-Zn exploration By...recherche de nouveaux gisements de type Meggen-Rammelsberg et comme toutes les min6ralisations SEDEX connues...orebodies Meggen (60 Mt sulfide and sulfate ore) and Rammelsberg (27 Mt sulfide ore). Exploration drillings and...synsedimentary fault activity in the Devonian and Lower Carboniferous should be considered prime targets...SEDEX-typemineralizations of the Rhenish Massif (Germany) Zone, the Balve-Oberscheld fault zone, and the |  | | Journal (article/letter/editorial) | | featuresboth of the ores and of side of a major lower Paleozoicgeanticline(Scherthe surroundingrocks are...massive ores of the CaleThe pyrite bodiesare all in Lower Carboniferous donianorogenicbelt in Norway and Sweden(Vokes...and mineralogyof most of the Caledoniandeposits Lower Carboniferous sequence, described collectively are...enclosingrocks Cambrian to Middle Ordovician NW Germany (Rheinisches Schiefergebirge-Oberharz) Middle...Devonian SW Spain and south Portugal pyrite belt Lower Carboniferous Southern Tuscany Triassic Western |  | | Book | | and Technology Brennhausgasse 14 09596 Freiberg Germany Library of Congress Cataloging-in-Publication...for Geosciences and Natural Resources Hannover, Germany Preface The extraordinary growth of the computer................ 62 3 .2.8.1 Letneye, Dombarovsk District ....................................................... 62 3.2.8.2 Komsomolskoye, Mednogorsk District ...................................... 64 3.2.8.................... 65 3.2.8.6 Bakr-Tau, Baimak District, Bashkirian Republic ....................... 66 |  | | Journal (article/letter/editorial) | | Lithosphare, Goldschmidstr. 3, D-37077 Gtittingen, Germany Abstract The Rhenohercynian thrust- and fold-belt...mineralisation, which is restricted to the Rhenish Massif, Germany. It is formed during four major stages and siderite...Siegerland district as synkinematic lodes which are hosted by low-grade metamorphic pelites of Lower Devonian...inclusions, R E E fractionation, Rhemish Massif, Germany. Introduction T i n s paper presents new data...Variscan siderite lodes of the Siegerland district, Germany, which have been among the world's largest |  | Ma, Guoliang, Beaudoin, Georges, Qi, Sijing, Li, Ying (2004) Geology and geochemistry of the Changba SEDEX Pb-Zn deposit, Qinling orogenic belt, China. Mineralium Deposita, 39 (3) 380-395 doi:10.1007/s00126-004-0416-1 | Journal (article/letter/editorial) | | sphalerite, pyrite, galena, with minor arsenopyrite, pyrrhotite, boulangerite, and rare chalcopyrite. The bedded...ranging from 11.1 to 14.7& in the hangingwall. The lower d34S values for massive and bedded sulfides are interpreted...(Zhang 1988; Zhang 1993). In the southern belt, the Lower – Middle Proterozoic metamorphic complex is a metasedimentary...Devonian rocks locally unconformably overlie the Lower Paleozoic-Sinian rocks. Several centers of subsidence...smaller deposits are hosted in Upper Silurian and Lower Carboniferous strata. The larger deposits are in |  | | Report (issue) | | HYDROTHERMAL AND MAGMATIC MINERAL DEPOSITS Page Magma, Mine,;Superior (oo. ciges Rocttactek ors eno os es snl...ameter: ee a SGI cose oncoce aes hot PIAS eA ee Germany=Czechoslovakiak |= hoc aeee eee ss ea ere TZ SE6DIT...mines of which a district is composed but rather that the geological conditions from one mine to another within...within the district are so generally the same that what is said of one mine will be true for the others...hiierte ai Germanyiayne aie) eb ete eee 1 + Germany-Czechoslovakia............. 1 Call Pere ltr |  | | Journal (article/letter/editorial) | | Numerousmineralogicallyimportantsulfidation equilibria (e.g., pyrrhotite+ S2-- pyrite; chalcopyrite + S2-- pyrite+ bornite;...bornite; fayalite+ S• = magnetite+ quartz+ pyrrhotite; or silver+ S• = argentite) form a grid on sucha...that may consumeor supplysulfur. Somepyrite + pyrrhotite ores might be an exceptionto this generalization...the systemCu-Fe-S at temperatures of 500ø C and lower. There are manyinvariant pointsin this systemthat...the fasterthe solid state reaction rates. Thus, pyrrhotite reactionsare faster than pyrite, and chalcocitereactionsare |  | | Journal (article/letter/editorial) | | interesting sulphates developed by the alteration of pyrrhotite at Island Mountain, Trinity County, California...2when it was found in the Rammelsberg mine in the Hartz mountains, near Goslar. Grailich, who was the first |  | | Journal (article/letter/editorial) | | account of its similarities to the Harz Massif in Germany that hosts the major polymetallic sedimentary exhalative...exhalative (Sedex) deposit at Rammelsberg. More than 60 stratiform mineral occurrences are known in the...intervening ground underlain by Lower Carboniferous strata, and in the Lower Carboniferous strata on the...number of localities in the Upper Devonian and Lower Carboniferous strata, with the highest potential...Harz Massif in Germany which hosts the major polymetallic sulphide deposits at Rammelsberg.19 Prospectivity |  | | Journal (article/letter/editorial) | | deposits like Mount Isa, McArthur River, Navan, Rammelsberg and Sullivan form a distinctive group characterised...manganese followed by zinc + lead, iron and chert. Lower main phase zinc + lead l e n s e s a r e u s u a...(Canada), R a m m e l s b e r g and M e g g e n (Germany) and N a v a n (Ireland) are a m o n g the largest...L a d y Zoretta DugaldRiver Canada Sullivan Germany Ireland Pb Zn Refer enc es 8. 0 6. 3 Z. 8... pers c o m m . 1980 i0. 4 i0. 0 Ransom Rammelsberg Meggen Z. 0 0. 8 4. Z 6. 0 K r a u m e et |  | | Journal (article/letter/editorial) | | pyrite breaks down to pyrrhotite at higher grades of metamorphism. Pyrrhotite bearing deposits tend to...A loose correlation between metamorphism and pyrrhotite occurrence has thus resulted. INTRODUCTION Iron...suggested that the pyrrhotite content and metamorphic grade are interdependent and the pyrrhotite content increases...ferromagnesian silicates or magnetite to produce pyrrhotite and magnesian silicates are well documented (McDonald...significant. Desulphidisation of pyrite to form pyrrhotite with increasing grade of metamorphism also appears |  | | Book (volume) | | Rogers, . . . for in the lower column read in the column headed "lower." for c = qo' cos u sin X :...up 165 for to Temiskaming Cochrane district read district. Ref. 4, under oruetite, add See also... for VVakatipu district, CoUingwood, 294 Zealand read Wakatipu 303 line district, 8 in synonomy...and the corresponding citation (Hudson Bay 309 mine). in Ref. 4, line Z, for 670 read 676. 310 in...P, for figure, for the lower face the lower face read R, and for the lower face-labeled n read N. |  | | Report (chapter) | | chalcopyrite as the main ore mineral in pyrite or pyrrhotite, with minor sphalerite, magnetite and haematite...sulphide ore is a stockwork with chalcopyrite and pyrrhotite mineralization. The surrounding rocks are hydrothermally...of the Cerro de Mercado deposits in the Durango district, Mexico (Swanson et al. 1978). A similar magnetiteapatite...sulphide ores. The main ores of the Skellefte district itself are contained within an east-west trending...Proterozoic volcanogenic massive sulphide deposits District 10utokumpu 2 Vihanti 30rijarvi 4 Skellefte 5 Falun |  | | Journal (article/letter/editorial) | | NOTES ON MICRO-PSEUDOMORPHISM. 349 clear, that pyrrhotite, chalcopyrite,sphalerite,galena and tetrahedriteare...buttheyincrease to .010mmwhereembedded in sphalerite or pyrrhotite. The pseudomorphic galenacrystals included in..., .007mm in slateand .010mm in sphalerite or pyrrhotite. Examination of the pseudomorphic chalcopyrite...stippled; chalcopyrite, white, with small rings; pyrrhotite, lined; pyrite remnants, •vhite; matrix (very...becomeso great, 354 C. SCHOUTEN. FIG. 10. Pyrrhotite prisms or laths replace a silicate mineral. Transitional |  | | Journal (article/letter/editorial) | | ..................................... The Mandy Mine ............................................ The...Northpines Pyrite Mine, Ontario ................................. The Eustis Mine, Quebec ....... : ...similarminx Bruce,E. L., "The Amisk-Athapapuskow Lake District," Geol. Surv., Can. Mem. •o5, p. 9, x9x8. PYRITIC...series Ii Arkose Conglomerate Unconformity (?) Lower Mississippicseries Slate Greywacke Quartzite Conglomerate...and sphalerite. 2. Those consistingchieflyof pyrrhotite. The importantdiscoveries up to the present,are |  | | Journal (article/letter/editorial) | | Simpson:Geol,.Sura.W.Austro'l'io,Bull'48, 24, C' F' Rammelsberg; 31' No' 1925,p.426, CCIX, Sci., Winchell; Am...interesting sulphates developed by the alteration of pyrrhotite at Island Mountain, Trinity County, California...2when it was found in the Rammelsberg mine in the Hartz mountains, near Goslar. Grailich, who was the first |  | | Journal (issue) | | c5anvw,((e,vMintrafs Mineral Dealer & Mine gent Levant Gallery Lower Boscaswel I, Pendeen, Near Penzance...Minerals 35 37 FRONT COVER Caledonite. Red Gill Mine., Caldbeck Fells, Cumbria. Largest crystal 1.25... S. Africa, Switzerland, Belgium, Holland and Germany. Necessary to this development, to take up the...associated with veins worked in the Vigra and Clogau mine, and was more than likely a trial for gold in the...minerals is very similar to that at the Tynebottom mine, near Alston in Cumbria. Further studies are now |  | | Journal (article/letter/editorial) | | (2) discussion of the Kupferschiefer depositsof Germany. Part of the evidence he citesfor an epigenetic...chalcopyrite,sphalerite, pentlandite, pyrite, and pyrrhotite. _All these minerals are in thin "bedlets" that...zones. Remobilization 324 T. X. LOI'ERING of pyrrhotite occurredon a large scalesupposedlyunder hydrothermalconditions...move them to nearby openings. iEvell if these pyrrhotite deposits are assumedto be entirely lithogene...biogenic origin of the first-generationpyrite in the Lower ProterozoicMount Isa Shale of Australia. Nearly |  | Veselovský, F., Ondruš, P., Gabašová, A., Hloušek, J., Vlašimský, P. (2003) History of discovery and study of new primary minerals at Jáchymov. Journal of the Czech Geological Society, 48 (3-4) 207-208 | Journal (article/letter/editorial) | | mineral similar at first glance to marcasite or pyrrhotite. Councillor Kudernatsch allowed to break off...Lippmann. The specimen originated from the defunct mine Neu Leipziger Glück in Johann-Georgenstadt (W. Sartorius...and by that time A. E. Reuss designated it as pyrrhotite. His observations led Tschermak to the conclusion...original samples were collected at Potùèky on a defunct mine dump near a former storehouse of technological samples...he named Haarkies from Johann-Georgenstadt in Saxony in 1789 [223]. This mineral was reported from Jáchymov |  | | Journal (article/letter/editorial) | | pairs investigated (pyrrhotite-chalcopyrite, pyritepirrho~ite, and chalcopyrite-pyrrhotite) either the fractionations...has attempted to exchange natural galena and pyrrhotite with sulfur. He finds synthetic sulfides exchange...[7] - - 0.89 + 0.41 (16) 540 - - Rammelsberg, Germany [14] Neues Lager Altes Lager 6.2 (1) ...reequilibrate with one another to temperatures somewhat lower than the metamorphic maximum. The Broken Hill ore...540°C obtained for this deposit is also probably lower than the maximum temperature attained during metamorphism |
|
Rammelsberg Mine, Rammelsberg, Goslar, Goslar District, Lower Saxony, Germany