 | | Catalog/List | | size. Itxlxl". £6.50. 18. CALCITE. Pallaflat, (Lest CL:",bcrJ.and. Transparent to translucent colourless...mat rix. 2xl~". £2.50. 23. CASSITERITE. Kinta District, Malaya. Very fine, pure mass, composed of numerous...intergrown lenticular crystals of Siderite covering massive Siderite matrix, and with very minor small...scattered over cellular dark brown crystalina Siderite covering Chloritised Slate veinstuff. 3tx2fxlt"...£5.50. ~ -5- ~4. JAROSITE. Laurium, Attica District, Greece. Specimen A - Rich, light brown, small |  | | Book | | in: Harz mountains, Thi.\ringia/Germany; Tyrol/Austria; Alsace, region around Paris/France; Tunisia; Morocco;...natrolite, serpengra~ 1 ◄ tine. Found in : Steiermark/Austria; Lombardy/Italy; California, Nevada, Pennsyl- vania/USA;...hardness 1 Saxony, Magdeburg!Germany; Salzkammergut/Austria; Alsace/France; Caspian Sea; Turkey; Iran; Utah... ( 1 Palygorskite @ Hiittenberg, Carinthia/Austria (Mg,Alh[OH I Si40rnJ • 2 H20 + 2 H20 4◄ - 5◄...ore - mines. Accompanied by: barite, calcite, siderite, ankerite, pyrite, marcasite, magna81 tite. Found |  | | Journal (article/letter/editorial) | | alpha particle activity in the granite and in the upper 500 ft of the same core used as the object of this...chlorite and siderite, and by aonversion of the dispersed iron oxide of potassium feldspar to siderite. Luster...standard, was made from unaltered granite in the upper part of the core. A 360 gram portion was packed...Eh not to oxidize the ferrous ion found in the siderite or the very minor amounts of sulfideminerals....carbonate must also have been present to produce siderite. A princip81 conclusion is that low intensity |  | | Journal (issue) | | I These specimens were found at Sodom, in the upper end of the Tyringham Valley, in the pro-Cambrian...structural geology. Its twenty-four drawers and upper case are filled to overflowing with good samples showing...posed of anthracite, pyrite, vivianite, limonite, siderite, calcite, ara gonite, apatite, flint and agate...a baby mastodon, a large pecten covered on its upper valve with a colony of barnacles each 1% inches...among the valuable copper properties of Globe district. The group comprises ten claims, situated about |  | | Catalog/List | | and intergrown with sharp rhombs of dark brown Siderite lining cavities in ~ellular Quartz with minor...association. 2txlt". £6.50. ATACA}lITE. Copiapo, Atacama District, Chile. Deep green, lustrous cellular crystaline...thickly encrusting and intergrown on Limestone/Siderite veinstuff. Specimen A -,completely encrusted with...Sphalerite with odd spherules of creamy brown Siderite in assoc~tion. 2x2" vlith the major Pyrrhotite...SCffiJ~RTZEMBEhGITE. San Rafael Mine, Sierra Gorda, Caracoles District, Chile. nich, lemon yellow maSSES and microcrystals |  | | Journal (issue) | | P. Cassedanne & L. Barreto The Messina mining district, South A frica .................................copy of Shannon’s article from a seldom-visited upper story corner of Stanford Library. Although no map...obviously not the most expedient approach to the upper canyon area. After some searching near the mercury...rence in the Au-Cu deposit at Waschgang, Upper Carinthia, Austria, associated with chalcopyrite, gold, tetradymite...35-41. FERGUSON, H. G. (1921) The Round Mountain district, Nevada. In Contributions to economic geology |  | | Personal Communication | | of thin tabular xls stacked face-to-face. The siderite xls from the Mascot range from tan micro-rhombs...to find in a sulphide deposit with quartz and siderite gangue. Actually, a long and carefu I inspection...been holding things pretty close to our chests- lest the hungry hoards of micromounters descend upon |  | | Report (issue) | | July 7, 1988 from Gerhard Gerhardinger of Murek, Austria. Wayne and Dona Leicht (Krista/le) bought Wein...BY JAROSLAV HYRSL AND ALFREDO PETROV The Poopo District ........................................................ 70 BY ALFREDO PETROV The Viloco Tin District: World-Class Cassiterite .......................associated with siderite and barite gangue. The mineralogy in these mesothermal siderite-barite veins tends...Cochabamba (1574), and Otavo (1604) were all part of "Upper Peru," as the land was known of at the time. Wilson |  | | Catalog/List | | S/H quite rich grey fibrous mass in quartz er siderite.(Port Issac Cornwc11l) lxl El.50 lx2 E3.00 219...micro spheres on Phillipsite. (WilhelmsdorfStyria Austria) lxl ins E4 lx2 E6 291 HUSCOVITE Mica qroup. Dark... . se.~ r:iagnification needed. : :!attschach Austria) li" EL 80 304 OLIVIHEvariety FORSTERITE ~g/2 Si0/4...rare Laaproite rock lialqidee Hills, Killlherley, lest Australia) lem f5.50 427 WITHERITE Batiua Carbonate...Gulworthy Devon) ½X½ f2 572 DOLOMITE crystal5 on SIDERITE crystals.CaMgCO/)on FeC0/3 light and dark bro |  | | Report (issue) | | .............................................. Upper and Lower Hartshorne coal beds ...................Map 3. Coal Data Sheet 4. Isopach Map of the Upper Hartshorne Coal Bed 5. Isopach Map of the Lower...Contour Map of the Upper and Lower Hartshorne Coal Beds 7. Interburden Isopach of the Upper and Lower Hartshorne...Overburden Isopach and Mining Ratio Map of the Upper Hartshorne Coal Bed 8. Overburden Isopach and...Distribution and Identified Resources Map of the Upper Hartshorne Coal Bed 10. Areal Distribution and |  | | Journal (issue) | | by quoting from a history of the Bristol school district written by Mrs. H. S. Bartholomew, daugh ter-in-law...with quartz, calcite, bornite, barite, dolomite, siderite, galena, sphaler ite, and rarely with chalcocite...#8719 is a 10 x 12.5-cm plate of rock with the upper surface covered with pale green botryoidal malachite... BARTHOLOMEW, H. S. (1907) History of School District No. 9. In Norton, M. L., ed., Bristol, Connecticut...deposits (including the unique La Gaiba “ametrine” district), and the world’s largest carbonatite outcrop |  | | Journal (issue) | | Localities: The Old Gunnislake mine, Callington District, Cornwall, England .............................MUSCOVITE Chumuru Mine, Nagar, Hunza Valley, Gilgit District, Northern Areas, Pakistan, 22 cm. Fine Minerals...Superior Syncline in Ontario, Minnesota, Wisconsin and Upper Michigan. After Cannon (2015). Gold prospecting...Ranges (Robinson and LaBerge, 2013). The Vermilion district hosts Minnesota’s best exposed Lower Precambrian...the iron as thin bands of hematite, magnetite, siderite and perhaps pyrite. Klinger (1956) speculated |  | | Catalog/List | | on matrix. JX2t lf • £5. z\.ZURITE. Tsumcb, South lest frica. !.urge well formed t" crystals on matrix...SIDERITE. ·tihG:>l o\.les, St. Just, Cornw'111. It" druse...druse f brown f~n-sh-~ped cryst"ls in m~ ssive siderite. 2xlt". 50p. SILVER. C b31t, Ont:>rio, CJn:>d:> |  | | Journal (issue) | | but advises caution against using extreme heat lest it become lead. Pliny recommends cow excrement to...too , recommends care and moderation in heating it lest it should be converted into lead. We may infer...specific ally of magnetite, hematite, limonite, and siderite, as the four principal sources in their order...diameter, and was sold in Paris to the Emperor of Austria for $ 10,000. Many black pearls are found in Lower |  | | Journal (article/letter/editorial) | | 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...prehnite, laurnontite, and datolite) found in the Upper Peninsula of Michigan also occur in Wisconsin. The...grunerite, hematite, magnetite, rninnesotaire, siderite (Laybourn 1979). Berkshire mine, Mt. Whittlesey...(almandine?), gnmerite, hematite, magnetite, quartz, siderite, talc (La Berge 1979a; Laybourn 1979). Hanna test |  | | Journal (article/letter/editorial) | | 1946-1975 The Chandler mine is located in the Raymond district about twenty miles east of Manchester in southeastern...George and Gar diner Gregory who visited the district several times in the early 1960s (Gregory, 1966)...surroundings and then started a cut into the high upper dump known as "Number One." We took turns feeding...Palermo triphylite which has been replaced by siderite and montebrasite. This specimen is solid, not...mine in August, 1979. The mineralized area on the upper ledge was the first to be blasted. Two shots split |  | | Journal (issue) | | was found at several localities in the Cradock district. Geologically, the area consists of shales and...2-ounce nugget was found in 1854; (4) the Montagu district where a 2-ounce nugget was found; (5) at Prella...from this area by Viljoen and Viljoen (1969). The upper portions of the Onverwacht Group are more felsic...Pyrargyrite Pyrite*+ Pyrrhotite* Safflorite Scheelite Siderite Silver* Skutterudite Sphalerite* Stibnite* Tetradymite...the original discovery of alluvial gold in the district in 1882. •' ' Figure II . (below) Edwin Bray |  | | Journal (article/letter/editorial) | | significant dust/regolith depths should be avoided lest the lander should be buried too deeply. There are...a characteristic deposition sequence of FeCO3 (siderite), Si(OH)4 (silica), CaCO3 (calcite with some MgCO3)...as NaCl and Na/Mg sulphates. The deposition of siderite would be diagnostic of a high atmospheric pressure...and avoidance strategies for survival with the upper layers composed of dead cells. To protect their...2nd European Workshop on Exo/Astrobiology, Graz, Austria, September 16–19. Schulze-Makuch, D., Irwin, L |  | | Journal (issue) | | mineral localities: the Leadhills-Wanlockhead district, S cotland......................................onto matrix. Purported locality: Pfitsch, Tirol, Austria. Notice the fragments of white feldspar used to...on matrix. Purported locality: Schwartzenstein, Austria. Note rock powder mixed with glue at crystal base...matrix. Purported locality: Niedermendig, Eifel district, Rheinland-Pfalz, West Germany. The glue-matrix...matrix. Purported locality: Zillertal, Tirol, Austria. Note glue and crushed matrix mixture at crystal |  | | Catalog/List | | Grayøtalllc coqvheelxls vitb spbalerlte, gale1a. lest ,te,e• 114er 101to see tvioal19. 2' x 3' ($li.Ol)...e-gree1 xls vlth yellovp~anto1caps01barlte plate. lest appreclated to sborcolorzonln9a1derlix. 21 X 21...vltb a1l1lte. 31 I 4' ($25.lt). c1, - PRIHIITI, lest Paterso1,I.J. PSIUDO"OIPI. Gree11lled casts after...Lir9el1stro1s blact tabalar 1ls In p1rallel 9rovth--vlth siderite xls. VeryCholcedisplaySptClHI,No11ted. 2 1/2' |  | | Journal (issue) | | belongs metallogenically to the Huachocolpa ore district (Samame-Boggio, 1985). The last active mining...mine (also called the Alimon mine, in the Huaron district) has yielded Peru’s most beautiful chalcopyrite...long and are comonly found covered by younger siderite and galena. Several specimens, almost certainly...fine-grained galena and by later-generation beige-colored siderite. The barite was later 103 igure . Mixture of...igure . Galena after stibnite cm from the Julcani district Jaroslav Hyr l collection and photo replaced |  | | Report (issue) | | 1948 COBALT-COPPER DEPOSITS OF ~ BLACKBIRD DISTRICT lEMHI COUNTY, IDAHO by :r. 5. Vhay Geological...on the cobalt-copper deposits of the Blackbird district, Lemhi COunty, Idaho, has been re"leased for limited...194.3. The cobalt denosi ts .of the :Blackbird district now appear to be among the more important of the...cleavage dipping moderately (35°-60°) eastward (upper part of West Fork, and the few observations along...batholith cuts across the northern part of the district, and" • • • Page 2, J:8ragraph 1 under geology |  | | Book | | Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...of rutile (Weerth, 2004). Tonniq Valley, Skardu district, Gilgit-Baltistan [Northern Areas]. Beginning...testing to be hematite. Zagi [Zegi] Mountain, Warsak district, North West Frontier Province. Surface diggings...to 6 cm (2005: 120). Los Remedios mine, Taxco district, Taxco, Guerrero. Ilvaite occurs in the wallrock...manto deposits of polymetallic ores in the Taxco district, commonly as compact aggregates of crystals overgrown | | | Journal (issue) | | was found at several localities in the Cradock district. Geologically, the area consists of shales and...2-ounce nugget was found in 1854; (4) the Montagu district where a 2-ounce nugget was found; (5) at Prella...from this area by Viljoen and Viljoen (1969). The upper portions of the Onverwacht Group are more felsic...Pyrargyrite Pyrite* + Pyrrhotite* Safflorite Scheelite Siderite Silver* Skutterudite Sphalerite* Stibnite* Tetradymite...the original discovery o f alluvial gold in the district in 1882. The M ineralogical Record, volum e 23 |  | Soloviev, Serguei G., Kryazhev, Sergey G., Dvurechenskaya, Svetlana S., Trushin, Sergey I. (2020) The large Bakyrchik orogenic gold deposit, eastern Kazakhstan: Geology, mineralization, fluid inclusion, and stable isotope characteristics. Ore Geology Reviews, 127. 103863pp. doi:10.1016/j.oregeorev.2020.103863 | Journal (article/letter/editorial) | | deposit in eastern Kazakhstan is part of a 27 district-scale mineralized zone, situated in an accretionary...belt (e.g., Safonova et al., 2012). 123 124 3. District geology and mineralization 125 The Bakyrchik...suite. 141 The late Paleozoic magmatism in the district comprises several plutonic suites (e.g., Vladimirov...mineralization in the deposit area and the broader district is dated mainly at 310-280 Ma (Naumov et 151...2018). Bakyrchik is the largest Au deposit in the district; it is represented by the dominant 154 auriferous |
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