 | | Journal (issue) | | localities: Minerals of the Kaokoveld District, Kunene Region, Namibia ............................................ 485 by R. J. Bowell, 0. Ermolina, W van der Plas, J. van Us & M. Steiner The best zincite crystals...shattuckite, 7.1 cm, from the Kaokoveld District, Kunene Region, Namibia. Irv Brown specimen; Jeff Scovil photo...the best vesuvianite specimens from the Jeffrey mine in Quebec. In this issue we present a review of...Herodsfoot Mine Work Readers who enjoyed Roy Starkey's superb article on the famous Herodsfoot mine in Cornwall |  | | Journal (issue) | | Mineral Quiz 2 King of Kashmir Thallium – Allchar mine Klondike Gold Rush Mineral of the Month: Shattuckite...CHASE THE WIND: Book review THALLIUM AND THE ALLCHAR MINE MINERAL QUIZ No 2 with answers KERNOITE THE KING...labour and women (bal maidens), the tensions between mine owners and miners, mining accidents and the rise...great read! John Pearce THALLIUM AND THE ALLCHAR MINE The element Thallium (Tl) is present in most rocks...discrete and unusual Tl minerals. This is the Allchar mine in Northern Macedonia. (The name Allchar is derived |  | | Journal (issue) | | (II) Eine Achat-Sammelreise nach Argentinien • Der Granitsteinbruch Ernst bei Rinchnach, Bayer. Wald...Leben braucht. Johannes Keilmann hat ihn während der Börse in Disentis besuchen können, und er hat uns...hervorragend, selbst die Strapazen während der Börsenzeit in Disentis, in der er sehr viele Besucher zu Hause empfangen...und die Psyche wieder gefestigt. Er ist einfach der größte 'Glückspilz' unter den Strahlern, den wir...1. Mindat-Konferenz in Lw6wek Slaski, Polen 18 Der Granitsteinbruch Ernst in Grub bei Rinchnach, Bayerischer |  | | Journal (issue) | | Praxis-Tipps: Alles rund um das Schleifen von Groß-Cabochons Der Steinbruch Winterberg/Harz und seine Mineralien •...Urgestein aus dem Erzgebirge • Neuigkeiten aus Namibia • Mineralien vom Morro da Mina, Brasilien • Museum...Mittlerweile ist diese einzigartige Ausstellung der bunten Schmetterlinge und Käfer schon quer durch...eine Frage der Zeit, bis diese Schau auch die USA erreicht hat... meint Ihr Rainer Bode Namibia - was gibt...Ems 10 Der Morro da Mina in Conselheiro Lafaiete, Brasilien 12 Das Mineralogische Museum der Universität |  | | Journal (article/letter/editorial) | | Abenab, and 558 pages later, ending with the Van der Plas mine. There is more, however, in the form of a...10 percent of the photographs used in the first Namibia book are repeated here, so most are new. Many of...map showing its location in Namibia. Furthermore, unlike the first Namibia book that had multiple reference...reference lists after each region, there is one composite reference list at the end of the book making it...Aris, Berg Aukas, Brandberg, Cape Cross, Christoph mine, Erongo, Gamsberg, Giftkuppe, Goanikontes, Goboboseb |  | | Journal (article/letter/editorial) | | COMMUNIGATIONS Juddite from Kajlidongri manganese mine, Jhabua District, Madhya Pradesh, India. WHILE studyingthe...studyingthe minerals from the Kajlidongri mine, I came across a red amphibole showing remarkable pleochroism...mineral is usually associated with blanfordite, calcite, and biotite. The optical characters of the mineral...Bilgrami 2 has also reported juddite from the Chikla mine, Bhandara District, Maharastra State, and has given...properties and chemical analysis. Recently Zwaan and Van Der Plas 3 described the optical and X-ray properties |  | | Journal (article/letter/editorial) | | the northern part. Nonetheless, some authors (van der Plas 1959) have reported the occurrence of mineral...experienced HP-LT metamorphism during the Eocene (van der Plas 1959; Evans and Trommsdorff 1978; Heinrich 1982...investigations (Müller 1958; van der Plas et al. 1958; van der Plas 1959; van der Plas and Hügy 1961; Heinrich...Heinrich 1986; Löw 1987; van der Plas and van Doesburg 1987; Dale and Holland 2003) and some authors have...post-dating the HP-LT event have been reported: van der Plas (1959) described assemblages of garnet, amphibole |  | | Journal (article/letter/editorial) | | unter einer Deckenlast vor sich gegangen zu sein. Der zeifliche Fazieswechsel wurde z. T. yon einer be[r~idltlichen...Betic Cordilleras. A summary of the geology of this region has been given by ECELER (in press). Its structure...stages of alpine metamorphism in a rather large region comprising the area S of Lubrln (prov. Almeria)...the plurifaeial metamorphism in the investigated region are mainly derived from studies by the junior author...only), albite, blue-green amphibole, biotite, calcite, chlorite, chloritoid, dolomite, epidote, garnet |  | | Journal (article/letter/editorial) | | ALLIER, LIMAGNE, FRANCE. JONGMANS A.G., VAN DOESBURGL J.D.J. and VAN BREEMEN N. Department of Soil Science...point-counting 500-700 points in thin sections (Van der Plas and Tobi, 1965). X-ray diffraction of microquantities...amorphous silica(type 1) and anisotropic coatings of calcite (type 2), point to precipitation of dissolved silica...Ka Sm Mi Am 0.1 0.7 * (*) * (*) (*) Ca = Calcite, Qu = Quartz, Ka = Kaolinite, Sm= Smectite, Mi...England. pp 152. Feijtel, T.C., A.G. Jongmans, and J. van Doesburg. 1889. Soil Sci. Soc. Am. J. VoL 53 no 3: |  | | Journal (article/letter/editorial) | | the calculations as it is probably due to either calcite or epidote in the analysed material. Both of these...from the calculations as it is probably due to calcite in the analysed material. 12. Liberty, Frederick...prepared by G. H. Williams. Rem. is P,O,. 13. Frunze Mine, Krivoy-Rog, Ukraine, U.S.S.R. lstshenko (1957,...rutile, and black dusty particles. 14. Severnaia Mine, Krivoy-Rog, Ukraine, U.S.S.R. lstshenko (1957,...omitted from the calculations. 20. Womble Mine, Deep River Region, North Carolina, U.S.A. Stuckey (1926) |  | | Journal (article/letter/editorial) | | calcareous subject is porous or when dissolution of calcite is faster than silicification. Radiating quartz...zijn zowel uit Nederland als uit het buitenland van zeer veel fossielen en uit zeer veel lagen bekend...gekoppeld zouden zijn. Daarom is het geven van een lijst van soorten waarop kiezelringen aangetroffen zijn...onderzoek naar de ontstaanswijze van vuursteen stiet de auteur op de aanwezigheid van grote hoeveelheden verkiezelde...het bijzonder belemnieten, in verschillende étages van het Limburgse Krijt. Omdat deze belemnieten zeer |  | | Journal (issue) | | geonieuws maandblad van de mineralogische kring antwerpen v.z.w. 39(4), april 2014 In dit nummer : ...Vaes, een onterecht onbekende Nederlander De wet van Stensen Cronstedt: MIM - Salim Eddé Boekrecensie:...vermenigvuldigd en/of openbaar gemaakt door middel van druk, fotokopie, of op welke wijze dan ook zonder...zonder voorafgaande schriftelijke toestemming van de uitgever. Betalingen bankrekening 789-5809102-81 België:...naam van M.K.A. v.z.w., Marialei 43, B-2900 Schoten. NUTTIGE ADRESSEN Hugo BENDER, Pieter Van den Bemdenlaan |  | | Journal (article/letter/editorial) | | and Maharashtra. Bilgrami (I955) and Zwaan and Van der Plas (I958) described it from Chikla, Bhandara District...with manganese ores and gondites. Zwaan and Van der Plas (I958) and Nayak (I96I) considered juddite to...appreciably from those obtained by Zwaan and Van der Plas (1958) for juddite from Nagpur district. Chemical...blanfordite-judditemanganoan-diopside-hollandite-calcite-piemontite-microcline-cryptomelane. The presence...well within the pegmatite body or at the contact region with gondite. The range of optical properties and |  | | Journal (article/letter/editorial) | | usually involve cumbersome calculations (Van der Plas and Van Schuylenborgh, 1970). The procedure proposed...Imbrie and Poldervaart, 1959; Nicholls, 1962; Van der Plas and Van Schuylenborgh, 1970). Although these calculation...it to anorthite. (Anorthite may be replaced by calcite if CO2 is present). ( 11 ) If MgO is present, assign...Sciences. Elsevier, Amsterdam, 226 pp. Van der Plas, L. and Van Schuylenborgh, J., 1970. Petrochemical |  | | Journal (article/letter/editorial) | | but occur in two separate areas (Bearth 1959; van der Plas 1959). In the Western Alps, eclogites and blueschists...area, occurrences of blueschists (Gansser 1937; van der Plas 1959; Oberhfinsli 1978), eclogites (Hezner 1903;...but has been inferred to be Early Alpine by van der Plas (1959), based on the interpretation of some...nappe emplacement. Data by Dal Vesco (1953), van der Plas (1959), Bruggmann (1965), Weber (1966), Fumasoli...eclogites, and albite-omphacitegarnet amphibolites (van der Plas 1959). Kyanite ( + o m phacite + garnet) is |  | | Journal (issue) | | 50. Schweiz CHF f0,50. USA$ 12,00 Mineralien von der Uranerzlagerstätte Zirovski vrh und aus deren Umgebung/Slowenien...Neu erschienen - Buchtipps 8 10 Tucson 2015 - der große Showreport 12 Über die neuen Mineralienfunde...Kinder" vom Rother Kopf in der Eifel 70 Slowenien : Mineralien von der Uranerzlagerstätte Zirovski...Titelbi ld zeigt Pyrit-Kristalle van der Pucarrajo Mine in Peru . Höhe der Stufe 4 cm . Sammlung K. & M....Universität Bergakademie Freiberg die Ehrendoktorwürde der Fakultät für Werkstoffwissenschaft und Werkstofftechnologie |  | | Journal (article/letter/editorial) | | 55-69; Dengo, 1953, p. 25; Banno, 1958, p. 36; van der Plas, 1959, p. 514), indicating that in some environments...stilpnomelane-chloritegarnet(-chloritoid); (5) calcite-aragonite; (6) muscovite-paragonite-phengite (-biotite);...observers (including Gansser, 1937, p. 468; van der Plas. 1959, pp. 498, 513-14, Alps; Dengo, 1953, p...GLAUCOPHANE SCHISTS (5) Calcite-aragonite Calcite is a common phase in greenschists. Calcite-bearing glaucophane...389; van der Plas, 1959, p. 520) but are not common in other regions. A few glaucophane+calcite-bearing |  | | Journal (article/letter/editorial) | | association with hedenbergite, andradite, fluorite and calcite. Ilvaite as an accessory mineral in hydrothermal...occurs in some typical contact deposits within the region. These ilvaites are generally much richer in Mn...(Bøggild 1902), in dolerites and gabbros (Barton & Van Bergen 1984), in tonalite (Naslund et al. 1983),...ilvaite was briefly mentioned from the Breigangen mine, 5 km NNW of Skien town. Apart from the type locality...fluorite ± hedenbergite ± andradite ± ilvaite ± calcite. The ilvaite is always, when present, a minor constituent |  | | Journal (article/letter/editorial) | | geothite. P. ZUDDAS and A. Muccl: Kinetics of calcite precipitation from seawater: I. A mechanistic model...Canada. 2. D. SHARP and D. L. KIRSCHNER:Quartz-calcite oxygen isotope thermometry: A calibration based...high-titanium mare basalts. C. ANBEEK,N. VAN BREEMEN,E. L. MEIJER,and L. VAN DER PLAS: The dissolution of naturally |  | | Journal (article/letter/editorial) | | Belt and Arc volcanism in the Camboon Volcanic Arc region to the east generated a great supply of recycled...the quietest tectonic and volcanic episode in the region, accompanied by subsidence of the Denison Trough...author. ** Present address: Geologisches Institut der AlbertLudwigs-Universitiit, D-7800 Freiburg im Breisgau...individual grains were not counted more than once (Van der Plas and Tobi, 1965). Dickinson's method of counting...especially the replacement of matrix materials by calcite a n d / o r other carbonate phases (Ahmad et al |  | | Journal (article/letter/editorial) | | ,epidote chloriteleucoxenecalcite) Bidwell Bar region, Calif Dunham (pus conru,) Q\artz dioilte (q uartz-mi...rnblendeschist, with mrnor amounts of quartz, calcite and biotite (Zone "B"). Gosaisyo-Takanuki district...less Fe, on the basis of optical properties Van der Plas ud. Iliigi 11961).l|tretamoryhic ophiolite consisting...by Compton (1955 and 1958) from the Bidwell Bar region, California. Another such assemblage(no. 2-2) was...four 2-amphibole occurrencesof the Bidwell Bar region are very similar in texture. The hornblende occurs |  | | Journal (article/letter/editorial) | | is likely that the combined evidence, for this region and for regions that exhibit similar characteristics... FLUIDS IN MAINE 183 clase–aluminium silicate and calcite–dolomite equilibria (Ferry, 1983). Application...carbonate layers typically contain biotite–muscovite–calcite–chlorite– ankeritic dolomite–plagioclase–quartz–rutile–graphite...sub-samples contain prograde muscovite, biotite, calcite, ankeritic dolomite, plagioclase feldspar, quartz...0.02 tr 0.07 ± 0.03 0.02 ± 0.003 0.007 ± 001 Calcite ± ± ± ± 0.41 0.55 0.46 0.55 2.25 1.17 1.48 0 |  | | Journal (article/letter/editorial) | | water masses in the Florida Straits and Bahamas region are important sources for the Northern Atlantic...and Bahamas region and discuss possible reasons for supralysoclinal dissolution. Calcite dissolution...Kimoto et al., 2003). The highly saturated carbonate region of the Bahamas and the Florida Straits is important...chemical lysocline of the Florida Straits and Bahamas region and discuss possible reasons for supralysoclinal...and Maul, 1998). The water masses in the Bahamas region consist of surface and intermediate water masses |  | | Journal (article/letter/editorial) | | Halimeda exists. An increase in high-magnesium calcite with decreasing size was noted and is due to increase...No trend in MgCO3 content of low-Mg or high-Mg calcite with size was found. The influence of the juxtaposed...were determined using the procedure proposed by VAN DER PLAS and ToBI (1965). Five hundred grain counts were...1B). These algae are composed of high-magnesium calcite. Corals. GINSBURG (1956), PURDY (1963), and HOSKIN...varies greatly between aragonite and low-magnesium calcite. Foraminifers. The vast majority of foraminifers |  | | Journal (article/letter/editorial) | | microcline, hollandite, piedmontite, and strontian calcite. Violan, a violet-colored pyroxene, is shown to...includes the minerals lawsonite and glaucophane (Van der Plas, 1959; Lorenzoni, 1965; Ernst, 1973). As part...bite-microcline-braunite-hollandite-strontian calcite-apatite-piedmontite-manganoan phengite-manganoan...omphacite braunite-quartz-albite-piedmontite-strontain calcite. The description of our results below is divided...powder diffractometer pattern was obtained using calcite as an internal standard, and data from this pattern |
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