 | | Journal (article/letter/editorial) | | found. Cassiterite frorn two localities of Cdceres province has been analyzed"by chemical and quantitative...chalcopyrite, sphalerite, arsenopyrite, pyrite, covellite, pyrrhotite, and bismuth. Amblygonite and cassiterite...from Trasquil6n (6 miles S. of C6ceres) LirO Nuro AlzO: P:Os HzO F Rem. 9.57 0 11 34.7 49.0 6.4 1.13 0...9% 9.22 o.59 34 4 47.3 5.2 4.40 0.45 LirO NarO AlzO' PzOs HrO F Rem. F:O 1 0 1. 5 6 1.85 Total 99 |  | | Journal (article/letter/editorial) | | aztrite, brochantite, malachite, chalcocite,covellite, sulfur, chalcedonyand hydrous manganeseoxides... Katanga 0l Sol. Ratios ol Sol. Ratios Pbo CuO Alzo: Fe:Oa NazOz KrO SOs HsOHrO+ Insol 20.9 ncl 1 4 |  | | Journal (article/letter/editorial) | | digenite - (Cu, Fe)9S5; Ce chalcocite CuzS; Cv covellite - CuS; Cu native copper; Fe native iron; Ni native...serpentine "polymorphs" is enhanced by the presence of AlzO 3 and Fe203 (Page 1967; Moody 1976; Evans 1977;...close to or below the i S 2 of the covellite-digenite (or covellite-chalcocite) boundary (fS2 lower than |  | | Journal (article/letter/editorial) | | progressively to chlorite schists, 200 AUSTRIA ITALY Ill [11 Lower ,r, LU , . 2 t ' ~ Ill Ill J....chalcopyrite, pyrite chalcopyrite, pyrite chalcopyrite, covellite 56 55 54a, b 50a, b 49a, b prasinite prasinite...g O show slight increases. Contents o f 0.2 wt.% AlzO 3 and 0.2 wt.% M g O in magnetite from the prasinite |  | | Journal (article/letter/editorial) | | (c) Turekian & We":epohl (1961)], where the SiOz/AlzO, ratio is determined mainly by terrigenous or volcanogenous...Ophiolitic exposures in the northwest A pennines (Italy). Shows Mn-rich sedimentary deposits, and metal... including marcasite, sphalerite, pyrrotite, covellite, hematite, magnetite, geothite, malachite, and |  | | Book (volume) | | existence o f a new uncon formity-vein style uranium province in the Proterozoic o f the Great Sandy Desert...the largest deposits in any established porphyry province. For a discussion of the accepted terminology...quartz-calcite-bornite-chalcopyritemolybdenite土covellite 土magnetite veins. The highest grade gold is associated...hematite alteration. Minor tetrahedrite-tennantite, covellite, chalcocite, tellurides and/or lead selenides...Crawford, A*J., 2002 *■The alkalic Au-Cu porphyry province of NSW; AusIMM 2002 - 150 Years o f Mining， Auckland |  | | Book (edition) | | (Billingen), Narke Other Europe: West Germany, Italy, Turkey, Yugoslavia Marine black shale. Vein, peneconcordant...(300) S+ W 4.5 192 s+ w 3.5 10 s+ w 4 Italy Larderello region Mount Amiata Triassic-Jurassic...in the northern portion of the Basin and Range province. All known ore deposits in this area are located...Bornite Brochantite "Chalcocite" Chalcopyrite Covellite Cuprite Digenite Enargite Malachite Azurite Chrysocolla...solutions of magnetite and ilmenite, chalcocite and covellite, and other mineral pairs, are common although |  | | Book | | concerning the origin of the Monteregian Hills alkaline province, and a brief description of each member. The geology...late Henry Budgen (Canada), Gianfranco Ciccolini (Italy), the late Rock Currier (USA), Robert Gault [digital...under the current administrative divisions, the Province of Quebec has been divided into regions and Regional...Petrographic Province. Dawsonite was subsequently found in other localities within the Monteregian Province, including...The Monteregian Hills a Canadian Petrographic Province by Frank Dawson Adams (1859 - 1942), professor |  | | Journal (issue) | | Newcastle, Belgium, France, Canada, Germany, Holland, Italy, Sweden, Switzerland, U.S.A. ASSAYERS BANK to...minerals followed late in the sequence. Some covellite and galena were formed as supergene sulphides...and the local presence within them of grains of covellite suggest that they are likewise of supergene origin...copper sulphides are uncommon. Small grains of covellite a1~epresent and are seen to replace sphalerite...in the sphalerite. It seems probable that the covellite is wholly supergene. Very rarely a few small grains |  | | Book (edition) | | statement— Sulphur Modes of occurrence— Sicily and Italy Louisiana and Texas— Origin of sulphur deposits...of criteria of of sulphide.s crystallizat covellite chalcocito, of of Tiiilt) of in in in...secondary sulphides, particularly chal cocite and covellite. Phosphates, and manganese minerals may be concentrat/cd...more (joinmon along the miinerouB faults nf the Piedmont, Appalachian, and similar regions.'-* of over...ore-bearing veins. An excellent instance of a province of such waters volcanic district of central France |  | | Book | | cultivated agricultural soils in northern Italy M. Pagliai (Pisa, Italy), E.B.A. Bisdom (Wageningen, The Netherlands)...earIier research of the landfill Ambt-Delden in the Province of Overijssel, The Netherlands. Wet chemistry...to crest distance, situated in the Entre Rios province of Argentina at 58" 25'W 31" 26's on a slight...SLURRY TO CULTIVATED AGRICULTURAL SOILS IN NORTHERN ITALY M. PAGLIAI, E.B.A. BISDOM and S. LEDIN C.N.R. -Institute...-Institute f o r Soil Chemistry, 78-Pisa (Italy) Netherlands Soil Survey Institute, 6 7 0 0 AB Wageningen |  | | Book | | . . . 4.1 4.1.1 4.1.2 4.1.3 4.1.4 4.2 Roman Province ~taly): Example from a Continental Arc Setting...de la Alumbrera Copper-Gold Deposit, Catamarca Province, Argentina . . . . . . . . . . . . . . . . . Bingham... . Shoshonitic Lamprophyres from the Superior Province, Canada (Archaean) . . . . . . . . . . . . . .... . . . . . . Bajo de la Alumbrera, Catamarca Province, Argentina . . . . . Bingham, Utah, U S A . ..... . . . . . . . . . . Kirkland Lake, Superior Province, Canada . . . . . . . . Ladolam, Lihir Island |  | | Journal (volume) | | Kalsilite in venanzite from San Venanzo, Umbria, Italy. Miner. Mag. 30, p. 46. CHAYES, FELIX (1949) A simple...SiO z .............. . . TiO z ............... . AlzO a .... , . . ........ Fe Z 0 3 •• • • • • • • •...amounts of chalcopyrite and pyrite. In places the covellite replaces the chalcopyrite. No sulphosalts have...of replacement series chalcopyrite_chalcosite_ covellite were observed. The whole area is occupied by typical...also the replacement chalcopyrite-chalcosite-covellite was identified. When etched 1 minute by HN0 3 |  | | Journal (volume) | | Kalsilite in venanzite from San Venanzo, Umbria, Italy. Miner. Mag. 30, p. 46. CHAYES, FELIX (1949) A simple...SiO z .............. . . TiO z ............... . AlzO a .... , . . ........ Fe Z 0 3 •• • • • • • • •...amounts of chalcopyrite and pyrite. In places the covellite replaces the chalcopyrite. No sulphosalts have...of replacement series chalcopyrite_chalcosite_ covellite were observed. The whole area is occupied by typical...also the replacement chalcopyrite-chalcosite-covellite was identified. When etched 1 minute by HN0 3 |  | | Book (edition) | | crystallization and relations of chalcocite, bornite and covellite-Oxiclation of chalcocite zones-Exa1nples of oxidation...more common a.long the nu111erous faults of the Piedmont, Appalachian, and sin1ilar regions.I Van Hise...ore-bearing veins. An excellent instance of a province of such ¥.'aters is furnished by the volcanic...olivine. 2 C. N. Fenner, The I(atmai magmatic province, Jour. Geol., 34, 1926, p. 697. 118 1 THE .A1AG...ser., 39, 1915, p. 175. 2 The Kat1nai magmatic province, Jour. Geol., 34, Oct., Nov., 1926. 3 C. N. Fenner |  | | Book (edition) | | Niccolite : 8 Millerite, Bismuthinite, Stibnite, Covellite, Pyrite (cube), Pyrite (pyritohedron) , : 9 Calcite...102 (Ichinokawa Mine, Ehimeken, Iyo, Japan) 4. Covellite P. 99 (Butte, Montana) 5. Pyrite: cubic crystals...(when associated with chalcopyrite, bornite, and covellite). Its most frequent occurrence is the result of...chalcopyrite (CuFeS.), through bornite (CusFeS,), and covellite (CuS), to chalcocite (Cu,S). It is found in fine...chalcopyrite and going through bornite (CusFeS,), covellite (CuS), chalcocite (Cu2S), and ending rarely as |  | | Book (edition) | | 35. 232. A colourless variety from (TL) Elba. Italy. Named from cxxpoux ' lack of colour·. Achromaite...1 . Mines 20. 65. (TL) Vallee d Ala. Lans. Piedmont. Italy. Alamandine. syn. of almandine. D.L.G. Karsten...from (TL) Almhiltte Bos. in the Adarnello pluton. Italy. Almeraite. KCI.NaCI.MgCl 2.H2O. L. Tomas and J...Silver amalgam. mercure argental, mercurial silver, pella natural. Var. Kongsbergite. arquerite. bordosite...ralvgie, 1. 274. From (TL) Ml. Amiato. Tuscany. Italy. Named for locality. Amicchite. error for amicite |  | | Journal (volume) | | analyses of antigorites (Ristaus) contained 0.00 % AlzO a. The two others (Hopunvaara), on the other hand...rich in alumina and contained 5.14 % and 2.26 % AlzO a. Consequently, the alumina content may not be...chrysotile. On the other hand, Roy and Roy did not take AlzO a but RzO a as their requisite for the formation...as small amounts of sphalerite, valleriite and covellite) are associated with quartz dikes 'o r appear |  | | Journal (volume) | | analyses of antigorites (Ristaus) contained 0.00 % AlzO a. The two others (Hopunvaara), on the other hand...rich in alumina and contained 5.14 % and 2.26 % AlzO a. Consequently, the alumina content may not be...chrysotile. On the other hand, Roy and Roy did not take AlzO a but RzO a as their requisite for the formation...as small amounts of sphalerite, valleriite and covellite) are associated with quartz dikes 'o r appear |  | | Book | | mineralogy was done, at that time, in Germany, Italy, France, and Great Britain. Because of differences...Cyclopes (= Isola dei Ciclopi), near Catania, Sicily, Italy is the first locality described and the one generally...described by Hauy (1801), are Mount Etna, Sicily, Italy; and Dumbarton, Scotland, United Kingdom. Obsolete...MODIFICATIONS CYCLOPEAN ISLAND, SICILY, ITALY VAL 01 FASSA, TRENTO, ITALY ~o;:a;::' 01 112 ~111 ~'111 1fl...RARE OCTAHEDRON MODIFICATION VAL 01 FASSA, TRENTO, ITALY 121 COMMON TRAPEZOHEDRON MOST LOCALITIES TRAPEZOHEDRON | | | Book | | mineralogy was done, at that time, in Germany, Italy, France, and Great Britain. Because of differences...Cyclopes (= Isola dei Ciclopi), near Catania, Sicily, Italy is the first locality described and the one generally...described by Hauy (1801), are Mount Etna, Sicily, Italy; and Dumbarton, Scotland, United Kingdom. Obsolete...MODIFICATIONS CYCLOPEAN ISLAND, SICILY, ITALY VAL 01 FASSA, TRENTO, ITALY ~o;:a;::' 01 112 ~111 ~'111 1fl...RARE OCTAHEDRON MODIFICATION VAL 01 FASSA, TRENTO, ITALY 121 COMMON TRAPEZOHEDRON MOST LOCALITIES TRAPEZOHEDRON |  | | Book (edition) | | Deposits of travertine at Tivoli, near Rome, Italy, have been worked for cen- turies for structural...amounts of iron; also gold and silver. Alters to covellite, malachite, and azurite. Commonly found in veins... tetrahedrite, galena, enargite, pyrite, and covellite. Occurs in large quantities in the Butte district...source of nickel, DESCRIPTIVE MINERALOGY 271 Covellite, CuS. Hexagonal, dihexagonal bipyramidal class...Almaden, Spain; in shales and dolomites in Idria, Italy; Moschellandsberg, Bavaria; excellent crystals in |  | | Report (volume) | | Outline of the petroIogy of the Kenya rift alkaline province 293 MACDONALD,R. Quaternary peralkaline silicic...petrochemistry of the northern part of the Chilwa alkaline province, Malawi 335 BOWDEN, P., BLACK, R., MARTIN, R...crystallization history of the Velasco alkaline province, eastern Bolivia 403 BARKER, D. S. Tertiary...alkaline magmatism in southern Greenland: the Gardar province 449 LARSEN, L. M. & SORENSEN, H. The Ilimaussaq...alkaline province in Malawi, at the southern end of the rift, is an essentially intrusive province in which |  | | Report (issue) | | portion of the Middle Rocky Mountains physiographic province, and against the south margin of the Markagunt...The secondary copper sulfides, chalcocite and covellite, were observed in a few places. The assays quoted...and sulfur 15.48 percent). At Tolfa in central Italy, alunite was mined, heated and the resulting calcine...the Transcaucasus, in east Europe extending into Italy and across to Spain, and Morocco. The southwest...up 25 percent of the altered material. Sooty covellite coats pyrite in some places. A variety of sulfates |  | | Book (edition) | | C. ALTER.-Tarnish not unc~mmon; may alter to covellite or chalcopyrite or bornite. OccUR.-Cbiefly in...metalliferous veins. Formed in steel furnaces. Covellite (CuS) is hexagonal with c = 1.1466; crystals horizop...= 1.510, Nu - N,. = 0.021. Another sample from Italy is biaxial positive with 2V = 62°±1 with weak dispersion... = 0.039. Colorless. Found in salt deposits in Italy. Hydroboracite (CaMgB 6 Ou •6H2O) is monoclinic...Np= 0.015-0.017 (Lacroix). With Fe2O3 = 30.0 and AlzO 3 = 8.2, N = 1.64 and Nu - Np= 0.02 (Shannon 56) |
|
