 | | Journal (issue) | | mineral localities: The Sapo mine, Ferruginha district, Conselheiro Pena, Minas Gerais, Brazil . . ...Bonin Fluorite from Riemvasmaak, Northern Cape Province, South Africa . . . . . . . . . . . ...gather up rocks and stones from the desert or from local quarries and then slice and mineral specimens,...Arizona, the Tucson Gem and Mineral Society, and local mining companies (including especially Phelps Dodge...Mineral Localities: The Sapo Mine Ferruginha District, Conselheiro Pena Minas Gerais, Brazil Luiz Menezes |  | | Journal (issue) | | level, Zinc Corporation mine, Broken Hill, New South Wales, Australia. Collection of the Australian Museum;...Chapman photo. • 1.4 cm, Chapman’s Gully, South Australia. South Australian Museum collection; Jeff Scovil...Jeff Scovil photo. • 4.2 cm, Mongalata goldfield, South Australia. Geoscience Australia collection; Jeff...Nigel Richardson Barry Schubert Robert Sielecki South Australian Museum Malcolm & Angela Southwood Lee...these is the Australian Museum, established in New South Wales in 1829. The Queen Victoria Museum in Launceston |  | | Thesis/Dissertation | | from the Namaqualand pegmatite belt, Northern Cape, South Africa by Minenhle Sinethemba Maphumulo Dissertation...Namaqua-Natal Metamorphic Province (NNMP) in Southern Africa at ca. 1 Ga. The central part of the belt is characterised...simple pegmatites, were emplaced at 1043 ± 5 Ma and 1025 ± 6 Ma respectively. The emplacement of the CD-S-C...pegmatites which were emplaced at 985 ± 4 Ma, 977 ± 2 Ma and 969 ± 5 Ma, respectively. These pegmatites were...deformation event that occurred between 1008 and 970 Ma along subvertical structures such as the Pofadder |  | | Book (edition) | | Southern Africa a Collector’s Guide ■ Rocks, Minerals and Gemstones of Southern Africa & — - ... T ~ '' .rats en&nes L of Southern Africa A Collector’s Guide - Struik Publishers (an operating...Ltd.) Struik House Oswald Pirow Street Foreshore, Cape Town 8001 First edition 1976 Second edition 1983...©E.K. Macintosh Cover design by Neville Poulter, Cape Town Lithographic reproduction by Tien Wah Press...Ltd, Singapore Photoset by McManus Bros (Pty) Ltd, Cape Town Printed and bound by Interpak, Pietermaritzburg |  | | Journal (issue) | | Worthy of mention among these classics are the hematite, pyrite, ilvaite and other minerals of the Elba...more or less strictly linked to the activities of local clubs and associations. Tue second direction has...on stilbite, 11.3 cm, from Rahuri, Ahmadnagar district, Maharashtra, lndia. Roberto Appiani photo. Supplement...mine, Kalahari Manganese Field, Republic of South Africa. Roberto Appiani photo. Supplement to The Mineralogical...crystal is 26 cm), from Mt. Malosa, Zomba-Malosa district, Malawi. Roberto Appiani photo. PEZZOTTAITE |  | | Report (issue) | | • • • • • • 79 • Kenya • • Nigeria • • Northern Rhodesia Nyasaland . • Southern Rhodesia Swaziland...• Republic of South Africa Republic of the Sudan Somali Republic . • South-West Africa .. Burma Japan...Martin and Mr. D. C. Heath, Geological Survey, South-West Africa; Mr. A. V. Briebach, Morgan Refractories Limited...important producing countries are the Republic of South Africa, the United States and India. At one time Kenya...chi (X). Tl1e chief sources of andalusite are South Africa, Sweden, the United States and Korea. The name |  | | Journal (article/letter/editorial) | | rocks from the Namaqualand Metamorphic Complex (South Africa)" Geochemical evidence for an exhalation-related...2Department of Geology, University of Cape Town, 7700 Rondebosch (South Africa) (Received October 5, 1988; accepted...rocks from the Namaqualand Metamorphic Complex (South Africa): Geochemical evidence for an exhalation-related...rocks and sillimanite-corundum rocks in the northern Cape Province (Fig. 1 ). They occur as scattered...Sequence in the Namaqualand Metamorphic Complex (1600 Ma; Reid et al., 1987). The supracrustal Bushmanland |  | | Journal (article/letter/editorial) | | Formation, mined intermittently 1899-191 8: goethite, hematite (Garvin 1998). Waukon, Mineral Creek = Clem Byrnes...Mahaska Co. Otter Creek, West Union, Fayette Co. Pella, Marion Co. Pershing coal strip mines, Marion Co...m = Lansing lead mines, Allamakee Co. Waterloo South mine, Black Hawk Co. Waukon, Allamakee Co. Waverly...cubic, fluorescent), galena, goethite, gypsum, hematite (coatings), marcasite” Downloaded by [University...wurtzite (Anderson and Stinchfield 1989). Waterloo South mine, about 9 mi. S of Waterloo, sec. 18, T. 18 |  | | Journal (article/letter/editorial) | | ORIGIN OFTHE SOUTHERN NAMAQUALAND GNEISS COMPLEX, SOUTH AFRICA. Ilq THE LIGHT OF GEOCHEMICAL DATA A. K...the southe,'n Naraaqualand gneiss cor~lpl.ex, South Africa, in the light of geochemical data. Lithos 4...325-44. The Namaqualand granite-gneiss complex in South Africa covers an area of approximately 70,000 km 2...Research Unit, University of Cape To~n, Ron~'ebosch, C.P., South Africa. The Namaqualand gneiss complex...consolidated Precarabrian rock massifs of Southern Africa and is situated at the north-western rim of the |  | | Report (issue) | | SURVEY OF SOUTH AFRICA COUNCIL FOR GEOSCIENCE GEOLOGICAL SURVEY OF SOUTH AFRICA MINERALOGY OF SOUTH AFRICA:... COUNCIL FOR GEOSCIENCE GEOLOGICAL SURVEY OF SOUTH AFRICA Scientific Editor R.D. Dixon Linguistic and...Council for Geoscience (Geological Survey of South Africa), 280 Pretoria Street, Silverton, Pretoria or........................... 69 5.1 Overview of South African Occurrences ..............................LAYEREDSUITE,BUSHVELDCOMPLEX.... 111 MINERALOGY OF SOUTH AFRICA: TYPE-MINERAL SPECIES AND TYPE-MINERAL NAMES |  | | Journal (article/letter/editorial) | | added by your editor: Fossil Collecting in the Pella Beds of Iowa One of the most interesting places...collect fossils in Iowa is a formation known as the Pella Beds. Stratigraphically, these are part of the Ste...takes its name from the locality and formation near Pella, Iowa. l.The Ste. Genevieve Formation is of Late...I have never been lucky enough to find one. The Pella beds cover a considerable area in the state of Iowa...Webster County, and at Ames, Story County. Around Pella, Marion County, there are several quarries; some |  | | Journal (article/letter/editorial) | | Sciences, University of Cape Town, Private Bag X3, Rondebosch 7701, South Africa b Council for Geoscience...Geoscience, P.O. Box 572, Bellville, South Africa Abstract The newly described Sperrgebiet Domain is a part...SW Namibia. Clastic metasediments of the c. 1700 Ma Aurus Schist of the Sperrgebiet Domain exhibit Pan-African...invariably preceded by subduction. In southern Africa, the assembly of 6 the Gondwana supercontinent...first place. 21 Along the west coast of southern Africa, the southward-younging Kaoko, Gariep and Salda- |  | | Journal (article/letter/editorial) | | and topaz as accessory minerals." about 8 miles south (S.S.E. to be exact) of Yellville, on a bee-line...Greenockite. "turkey fat", was on display at our recent local mineral show, as several nice specimens, by one...my husband and I discovered a spot a few miles south of Ocala, Marion Co., Fla., on Hwy. 301, which produced...grayish-black chlorite schist and comes from the Bay Horse district, Challis, Custer Co., Idaho. This is not only... This is the only occurrence in the Rosiclare District, however, Dana reports such occurrences from the |  | | Book (edition) | | OF OF SOUTH AFRICA MINES GEOLOGICAL SURVEY MINERAL RESOURCES OF REPUBLIC OF THE SOUTH AFRICA...Second World War, and partly as a result of it, South Africa experienced vast industrial expansion. This...official ‘handbook on the mineral resources of South Africa, it has become necessary to revise, or rather...great diversity and magnitude of South African mineral deposits and local mining operations, the Economic...Chamber of Mines of South Africa with Mr G. H. Grange as co-ordinator, and the South, African mining industry; |  | | Book (volume) | | alteration of different kinds of stacking of layers, local defects, etc.). For this reason, the interpretation...Rastsvetaeva et al. 2009) from the Yoko-Dovyren massif, Northern Baikal area 14 1 The Application of IR Spectroscopy...Ca2[Si2O5(OH)2]·H2O from the YokoDovyren massif, Northern Baikal area Fig. 1.18 IR spectrum of acid triorthosilicate...freedom per unit cell and qi and qj are deviations of local coordinates (i.e. lengths of chemical bonds and...frequencies of normal vibrations are determined by local force parameters of these bonds (see, e.g. Loghinov |  | | Report (issue) | | Halotrichite ............................................ Hematite ................................................3) 4) 5) 6) Upper Mississippi Valley zinc—lead district Mineral crystals, isometric ....................also along Tete des Morts River about 12 miles south of Dubuque, and along the Little Maquoketa River...known as the Upper Mississippi Valley Lead-Zinc district (figure 1). In 1796, as a concession to the Spanish...in the district in 1848 and decreased gradually thereafter. The Upper Mississippi Valley district was the |  | | Book | | Namibia rank amongst the top five mining countries in Africa. both in terms of production and reserves. In this...century when the Gennan Colonial Office in South West Africa appointed Government Geologists to carry out...wait until 1926, when the Geological Survey of South Africa opened a branch office under the direction of...magnetite quartzites and sedex lead-zinc deposits of South Africa (Rozendaal, 1978; 1986; Ryan et al., I986) where...molybdenumdeposits occur in YioolsdrifSuite rocks south of the Orange River. The Orange River Group and |  | | Book | | EarlyGermanGeologistsand Entrepreneursin South West Africa The People- Mineralogists,Geologistsand Collectors...TsumebSpecial The Otavi Mountainland The Central Northern to Northwest Region including Damaraland The Central...Nauchas-Gamsberg-Hakos Area West and South of Rehoboth The Central and South-CentralDeposits Onganja Mine and...and Surrounding Copper Deposits The South The Pegmatitesin Central Namibia Luderitz and the Diamonds ...heritage, which has over the years attracted both local researchers and scientists from all over the world |  | | Book (volume) | | British Columbia California Colorado Connecticut District of Columbia Delaware Department Florida Georgia...Wyo. Yukon 3 New Mexico Nova Scotia New South Wales Northern Territory Northwest Territories New York...Pennsylvania Queensland Rhode Island South Australia South Carolina South Dakota Saskatchewan Tasmania Tennessee...(Wales) Aberdeen (Scotland) Aberdeen (South Africa : District) Aberdeen Angus cattle Aberdeenshire (Scotland)...Abitibi (Quebec : Regional T2--714 134 County Municipality) Abitibi, Lake (Ont. and T2--713 142 Quebec) |  | | Book (volume) | | mttMBBBmSL BflUfNSSfllXi&Ma WUpBH mm KBIHHHiBl Hi ll^^^^H^B H Pi p Dewey Decimal Classification...Republic N.T. N.Y. Neb. Nev. Scotia South Wales Northern Territory Northwest Territories New York...Socialist Republic South Australia Ind. Indiana S.C. South Carolina Kan. S.D. South Dakota Ky. Kansas...Australia British Mich. N.J. N.M. Columbia District of Columbia New Hampshire New Jersey New Mexico...(Scotland) Aberdeen (South Africa T2- -429 27 T2- -412 35 : T2- -687 15 District) Aberdeen Angus cattle |  | | Report (volume) | | Paris, France. South Dakota Geological Survey: Bulletin, no. 3, 1902. Vermilion, S. Dak. South Dakota School...the Red Beds to the Carboniferous and Permian in northern Texas. Abstract: Science, new ser., vol. 16, p...formations comprised in the map of the Ottawa district, including formations in the provinces of Quebec...Contains notes on local geology. 22 23 ' Brief description of the map of the "Ottawa district." Ottawa Nat...1-4, 1902. Describes and figures material from South Dakota and Wyoming. Notes their stratigraphic range |  | | Journal (issue) | | (1855) showed that nearly all the magnetite and hematite specimens contained manganese, with one analysis...as the oxide. The presence of manganese in the hematite caused a considerable amount of trouble to the...Renwick misidentified this mixture of manganiferous hematite with quartz and calcite as a cerium mineral, and...and azurite, quartz, magnetite, talc, biotite, hematite, hemimorphite?, limonite, pyrite, horn blende...chalcopyrite. The original And over section was to the south east and consisted of a string of open pits sepa |  | | Book (edition) | | the con dition of affairs, more especially in the South and in the States and Ter ritories of the far West...on with geologists, mining engineers, and other local authorities, and various published reports have...other fields. The Cahaba field extends from the south prong of Canoe creek, in St. Clair county, to Ha\sop...in the latitud" of Blocton, in Bibb county. The south ern end of this field has a greater thickness of...main synclinal of the Warrior, descends to the south and southwest, bring ing the upper Measures to the |  | Gracheva, Maria, Homonnay, Zoltán, Kovács, Krisztina, Béres, Kende Attila, Biondi, Joăo Carlos, Wenchao, Yu, Kovács Kis, Viktória, Gyollai, Ildikó, Polgári, Márta (2021) Mössbauer characterization of microbially mediated iron and manganese ores of variable geological ages. Ore Geology Reviews, 134. 104124pp. doi:10.1016/j.oregeorev.2021.104124 | Journal (article/letter/editorial) | | deposit revealed that the rocks consist mainly of hematite, showing Mn substitution which reflects the oxidation...Various Fe minerals (real Fe ore minerals like hematite, pyrite, siderite) and Fe-bearing minerals (like...crystallized Fe minerals, like ferrihydrite to goethite, hematite. The microbialite samples, in general, are fine...conditions. The stabilized crystal forms also occur as hematite and goethite. Magnetite, mixed Fe(II)/Fe(III)oxide...Ferrihydrite Fe5O8H⋅4(H2O) Lepidocrocite γ-FeOOH Hematite α-Fe2O3 α-FeOOH Goethite Magnetite Fe3O4 Anatase |  | Maritan, Lara, Piovesan, Rebecca, Dalconi, Maria, Rius, Jordi, Crespi, Anna, Vallcorba, Oriol, Casas, Lluís, Vidale, Massimo, Olivieri, Luca (2018) Looking Like Gold: Chlorite and Talc Transformation in the Golden Slip Ware Production (Swat Valley, North-Western Pakistan) Minerals, 8 (5) 200 doi:10.3390/min8050200 | Journal (article/letter/editorial) | | ancient region between (Tablethe 1).modern-day northern Pakistan and Afghanistan) are possibly also associated...between the the modern-day Pakistan “golden” slip northern as is presented here. and Afghanistan) are possibly...spectrometer equipped with a LaB6 cathode (Ted Pella Inc., Redding, CA, USA) and operating at an electric...geometry, equipped with a Co X-ray tube (40 kV and 40 mA, Co–Kα radiation) and a X’Celerator detector(PANalytical...enstatite; Fds: feldspars; Fo: forsterite; Hem: hematite; Ill/Ms: illite/muscovite; Qz: quartz; Tlc: talc |
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