 | | Journal (article/letter/editorial) | | association of the neoproterozoic hafafit core complex, south-eastern desert, egypt Ahmed Hassan Ahmed, Moustafa...association of the neoproterozoic hafafit core complex, south-eastern desert, egypt, Ore Geology Reviews (2018)...association of the Neoproterozoic Hafafit core complex, South-Eastern Desert, Egypt Ahmed Hassan Ahmed1, 2 and... Faculty of Science, Helwan University, Cairo, Egypt Abstract Unusual series of hybrid metasomatic mineral...through ultramafic rocks at the Hafafit complex, south Eastern Desert of Egypt. Two groups of mineralogical |  | | Journal (article/letter/editorial) | | ANTHOPHYLLITE-VERMICULITE DEPOSIT EASTERN DESERT, EGYPT M. S. AMIN A•n M. OF HAFAFIT, S. AFIA ABSTRACT...ABSTRACT The gneissesof Hafafit enclose small serpentine masseswhich are traversedby feldspar veins.... On either sidesof these veins, vermiculite and anthophylliteare formed in workable quantities. INTRODUCTION...anthophyllite-vermiculite depositexaminedoccursin Wadi Hafafit in the CentralEasternDesertof Egypt (Fig. 1)... The depositis exploitedat presentby the Upper Egypt Mining Co. S.A.E., who kindly permittedthe examination |  | | Journal (article/letter/editorial) | | Neoproterozoic ophiolites of the Eastern Desert, Egypt Adel A. Surour PII: DOI: Reference: S0024-4937(19)30211-7...Neoproterozoic ophiolites of the Eastern Desert, Egypt, LITHOS, https://doi.org/10.1016/j.lithos.2019.05...Neoproterozoic ophiolites of the Eastern Desert, Egypt CR IP T Adel A. Surour* adelsurour@hotmail.com...Faculty of Science, Cairo University, 12613 Giza, Egypt * AC CE PT ED M Corresponding author. ACCEPTED...namely Wadi Sikait, Wadi Abu Rusheid and US Hafafit (SRH belt). These rocks occupy a lower structural |  | | Journal (article/letter/editorial) | | る蛭石 つい て* Vermiculite from Ononii-machi, Fukushima ŽO–{•™–¤‘㎡ Abstract: The vermiculite occured...features to compare CaO are much more contents. vermiculite was produced by to Fe203 and it caught Prefecture...quantity of Ononii-maehi, hiotite, one of The vermiculite Namely SiO2, H2O are of biotite very that...secondary of crystallization. 1. ••Œ¾ 蛭 石(vermiculite)は 雲 母 属 の 鉱 物 で 多 くはhydrate4‑siilicatesで あ...philadelphite, p yrosclerite等1)が vaalite, macconite, vermiculite, dudleyite, あ る。 而 し て,こ れ ら の蛭 石 類 の あ る も |  | | Journal (article/letter/editorial) | | THE GEOLOGY OF VERMICULITE OCCURRENCES by WILLIAM A. BASSETT The University of Rochester, Rochester...Rochester, New York ABSTRACT Vermiculite occurrences can be divided into two Inajor categories, those having...clay vermiculite. This paper is concerned with the former. The macroscopic type of vermiculite deposits...that most and possibly all macroscopic-type vermiculite deposits formed by the action of supergene solutions...solutions on biotite and phlogopite. Vermiculite in mixed.layer association with biotite, phlogopite, |  | | Journal (article/letter/editorial) | | Springer-Verlag 1987 Mineralogy and Genesis of Vermiculite in Serpentinites of the Bohemian Massif in Austria*...the occasion o f his 80 th birthday Summary Vermiculite occurrences in the Bohemian Massif occur in ...te series of the Gf6hl unit. Three types of vermiculite occurrences are discernible on the basis of rock...and characteristic mineral associations: 1) vermiculite in leucocratic veins (pegmatitic rocks, plagioclasites)...minerals are anthophyllite and clinoamphiboles; 2) vermiculite in fractures, a primary product from hydrothermal |  | | Journal (article/letter/editorial) | | one thermoexfoliated commercial vermiculite, and one pure vermiculite were nitric-acid-treated at 4 and...non-thermoexfoliated sample. Keywords: vermiculite; thermoexfoliated vermiculite; nitric acid treatment; specific...specific surface area; porosity 1. Introduction Vermiculite in the strict sense is a layered silicate mineral...oxygens or OH– groups, and it contains water. Vermiculite shows a broad diversity in charged layers associated...industrial vermiculite consists of interstratified, diverse types of mica, mica/vermiculite [2], and | | | Journal (article/letter/editorial) | | ル石 の産状 ご化 学組 成 Mode and of occurrence Mg-vermiculite shima from chemical Odaka and composition...Carolina州Day Book橄 攪 岩 鉱 床,エ ル 石 鉱 床,North ジ プ トHafafit鉱 床 等 で は これ が 大 規 模 に 採 堀 され て い る。 この 種 の ヒル石...てい た 鉱物(林 昇 一 郎:地 質 調 月報,5,291‑294,1954)はMg‑vermiculiteで は な く,chloriteの 変 った もの で あ る。 これ に関 しては 須 藤...Fig. 1. Fig. Map showing the localities of Mg-vermiculite in Abukuma Map showing mountainland. localities...localities 2. the geology and of Mg-vermiculite. 480 福島県石川郡玉川村小高及び須賀川市雲水峰産Mgヒ ル石 の産状 と化学組成 Fig. 3. |  | | Book | | Section ae 7 1 Introduction 2 3 Algeria Egypt 15 18 4 Gulf States 27 5 tlrag 28 6 7 Jordan...Tunisia 49 51 146 Yemen 53 17 18 19 The Red Sea Israel References 55 56 oF 20 List of Maps ...at the end. A special emphasis has been given to Egypt because of the relatively large number of documents...from the Mediterranean Sea to the Kattara Depression in the Western Desert of Egypt and generating electricity...worked. (These tomb paintings at Beni Hasan, Upper Egypt, are from the Twelfth Dynasty, Fig. 1.2: Goldsmiths |  | | Journal (article/letter/editorial) | | rocks and associated Cu-Ni, Fe-P and apatite-vermiculite deposits from the Quruqtagh district, NW China—Chunming...association of the Neoproterozoic Hafafit core complex, Southeastern Desert, Egypt—Ahmed Hassan Ahmed and Moustafa...geochemistry—a case study from the Bahariya region, Egypt—A.M. Afify, M.E. Sanz-Montero, and J.P. Calvo Syenitic |  | | Journal (article/letter/editorial) | | Pan-African serpentinites from the Eastern Desert of Egypt, with an emphasis on the effect of superimposed...age from five localities in the Eastern Desert of Egypt namely, Abu Fannani, Fawakhir, Barramiya, Ras Shait...Faculty of Science, Cairo University, Giza 12613, Egypt not iron. In the lizardite structure, there is...Pan-African ophiolites in the Eastern Desert of Egypt that formed during the Neoproterozoic. Suture zones...data, the oceanic crust in the Eastern Desert of Egypt began to form as early as ~810 Ma (Ali et al. 2010) |  | | Report (issue) | | 14, 113620 (1980). Analysis, x-ray, UTA, infra-red, from Ehime Pref., Japan. ALLOPHANE. Henmi, (Clays... Analysis from Lake Baikal region, x-ray, infra-red data. ALUMINITE. Farkas and Werner, (Z. Kristallogr...Korist. Svoistva Miner. 12, 54-61 (1978). Infra-red spectran. ALUNITE. Keith et al., Geol. Surv. Prof...89, no. 14, 114103 (1978). DTA, TGA, x-ray, infra-red study of alunite-natroalunite series. ALUNITE. Wan... 141-148 (1979). The effect of Al on the infra-red spectra. AMICITE. Alberti and Vezzalini (Acta Crystallogr |  | | Book | | Republic of Congo (DRC) Republic of Congo Djibouti Egypt Equatorial Guinea Eritrea Ethiopia Gabon The Gambia...deserts, some in swamps, and many obviously under the sea. It is the piecing together of all the available...titanium minerals (rutile and ilmenite), vanadium, vermiculite and zirconium (Coakley & Mobbs, 1999). Although...origin in Africa: Undoubtedly existed in ancient Egypt a highly developed surveying and engineering system...mining operations for gold in the Eastern Desert of Egypt, because the traditional nearer accessible Fig |  | Kogel, Jessica Elzea, Trivedi, Nikhil C., Barker, James M., Krukowski, Stanley T. - Eds. (2006) Industrial Minerals and Rocks (7th ed.) Society for Mining, Metallurgy, and Exploration, Inc., Littleton, CO. | Book (edition) | | . . . . . . . . . . . . . . . . . . . . . . Vermiculite . . . . . . . . . . . . . . . . . . . . . . ...Metallurgical Research and Development Institute Cairo, Egypt John S. Hayden Department of Materials Science...Norman, Oklahoma James Hindman Ihor A. Kunasz Vermiculite Technologies Dillon, Montana Retired Oro Valley...and dolomite Graphite Talc Phosphate rock Vermiculite Salt Sedimentary Minerals and Sulfur Sand...bstances, and skeletal ma tter) on land and in the sea, the hydrosphere (fresh and salt water, snow and |  | | Book | | palygorskite (= attapulgite), etc. Chlorites, talc et vermiculite (voir ces fiches) sont aussi inclus parmi les...fabriquer des statuettes et des pipes. Enfin, la vermiculite est un isolant thermique. Argiles Montmorillonite...Talcville !), au Brésil (Mariana), en Egypte (Hafafit), en Inde et en Chine qui en est devenu le principal...les aciers. Vermiculite Vermiculite (Chester, Pennsylvanie) Feuillets de vermiculite brute Classe...cristaux hexagonaux rares. Monoclinique. La vermiculite est une argile (voir cette fiche) du groupe de |  | | Book | | F. HUME, the Pioneers of the E astern Desert of Egypt 1\1:ultum non multa Plinius ]1-1,nior CONTENTS...OF SUEZ AND THE NORTHERN RED SEA . . . . . 7 . r. Tectonic map of Egypt by N. A. Syagaev . . . ...Southern Area of the Red Sea Hills towards the Sudan border (Photogeological map of Upper Egypt by Hunting, 1967)...1967) 4. Border area between Sudan and Egypt 5. A. Stratigraphic correction . . . . . . B. Tectonics... . . . . a) Fault Zones crossing the Northern Red Sea. b) The Cairo Graben . . . . . . c) The northern |  | | Journal (issue) | | lead samples extracted from present-day basalt, or Red Clay, or Tertiary lead ores (all of which leads are...belongs to the tin mineralisation associated with the Red Granite of the Bushveld. The Zambula galena comes...turn by felspathic sandstones which are commonly red and coarse in grade. 1025 m.y.: This cycle, which...Nitrate adsorbents -------1-~-----1-----·Pigments Vermiculite Sand -·----------·--1-·-----1------l--·-----1-------Gypsum...Similarly, a route to Lake Nyasa and thence to the sea at Beira by way of the Nyasaland Railways might be |  | | Book (volume) | | PRECAMBRIAN GEOLOGY © 1984 VNU Science Press White Sea ones are recognized. Within the largest outcrops...to be about 150 m.y. (Fig. 5). The Kola and White Sea series of volcanosedimentary formations that have...within the megablocks of the same names. The White Sea series is 7-8 km thick. It consists mainly of granite-gneisses...between the Karelian Lopy and the Kola and White Sea series rocks are rather contradictory . There are...with supercrustal formations of the Kola and White Sea series; the common orthogneissic basement is recognized |  | | Book (volume) | | Bxa acute bisectrix c (in association with A) red light (656 mp) hexagonal cell edge c cell edge...scale) Li mp (in association with A) lithium (red) light (671 mp) millimicron M.A. Mineralogical...metal ions r v) the optic axial angle in red light is less than (or greater than) that in violet...in the Madras charnockites bronzite is brownish red in grains, and has a salmon-pink a absorption colour...0-032 . 35-1 16-9 48-0 21. Salite, teschenite, Red Hill, Brocken Range, eastern Wellington, New Zealand |  | | Book (volume) | | earth, rare earth element optic axial angle in red light is less than (or greater than) that in violet...approximately perpendicular to (100) has been shown by infra-red spectroscopy (Hanisch 1966; Burns & Strens 1966)...70A. Red-brown gedrite associated with sapphirine, kornerupine, pargasite, spinel, vermiculite and saponite...Maresch & Czank (1983). Infra-red spectroscopy Studies of the infra-red spectra of anthophyllites and...associated with serpentine has been described from Hafafit, Egypt (Amin & Afia 1954). The formation of anthophyllite |
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