 | | Journal (article/letter/editorial) | | analysis of the Betsimisaraka Suture in northeastern Madagascar Tsilavo Raharimahefa ⁎, Timothy M. Kusky Department...Available online 3 August 2008 Keywords: Tectonics Madagascar Suture Gondwana Lineaments Remote sensing EAO...t r a c t The Betsimisaraka Suture (B.S.) of Madagascar is an important structural zone defining the collision...NE–SW striking dextral shears recorded in the Lake Alaotra region. Several faults, joints and fractures...crystalline basement of Madagascar consists mainly of Precambrian rocks. Madagascar is positioned within |  | | Journal (article/letter/editorial) | | June 29, 2016 REV. R. BARON ON THE GEOLOGY OF :MADAGASCAR. 305 18. N o ~ s on the GrozooY 0fM*DXGASCAR...] [PLATESXIII. & XIV.] GE~-ERAL DESCRIPTION. MADAGASCAR is as yet almost a terra incognita to the geologist...of this great island. The central portion of Madagascar is generally regarded as consisting chiefly of...by far the greater part of the eastern half of Madagascar consists of gneiss and other crystalline rocks...of the island ~. Hence the roads from Central Madagascar to the east run over an endless series of more |  | | Book | | 8 Front cover: A Spessartite garnet in mica, Madagascar (Sorbonne collection) 0.08 inch. B Tourmaline...rhodochrosite. 10 Amazonstone and smoky quartz, Lake George, Park Co., Colorado (Coil family- Richard...of those rocks. Spine! is frequently found in Madagascar, Ceylon, Australia and Burma. A Spine/, Burma...as disthene. A Garnet, spessartite in mica, Madagascar (0.2 inch) B Garnet, grossularite asbestos, Quebec... Besides Afghanistan, other deposits exist near Lake Baikal in the Asian part of the USSR, and in Chile |  | | Catalog/List | | pure greenish-yellow mass, no matrix Lake Alaotra, Madagascar lxl £5 Ix2£12. pure pale green crystal...Waldsassen, Oberpfalz,Germany. Maize, Antsirabe, Madagascar ½ x½£3 Ix½ £5 St Hilaire,Quebec,Canada Tel...flakes 2 79 NATIVE GOLD in capsule Au Small flakes of gold on CASSITERITE, 731 NATIVE GOLD some with ferberite...KT! I 2NL Boron, Kem County,Califomia U.S.A Madagascar Ix! £2 lxl £7. S0 lxl £3.50 lx2 £4 ½x½ £4...lx2 £8 Mt Yukspor,Khibiny Massif,Kola,Russia Madagascar ½£4 I x½ £6 lx2 £1.50 2x2 £3 St Louis Claim |  | | Book | | of gold has given rise to a great many legends, such as Jason and the Golden Fleece, Gaulish gold for...for Caesar, the gold of the Rhine, the gold of the Incas for the Conquistadors, the adventure of Sutter...the price of gold has merely confirmed the ancient traditions. The sight of a 50-pound gold ingot has a...before our very eyes, as a result of deposits in sea, lake and river water, often under the influence of biological...also certain metallic seams, in particular, tin, gold, copper, etc. —Deformations of the Earth’s crust |  | | Catalog/List | | Laumontite from Mull, Tremolite crystals from Madagascar Moldavite.New stock of Chaoite.Talc from Egypt...FLUORESCENT Large brown well formed dodecahedral Madagascar 1 ins £4 ALMANDINE 1 Crystal I inch across garnet...group____________ Attractive green with white perthitic Madagascar AMAZONITE 60 2x3inch £5 Feldspar________________...(Carbonate Fluorapatite) Brown veins and Francois Lake, British Columbia masses m Andesite .Collected personally...Canada Terminated single brownish -grey crystal "'Madagascar' good form, sizes refer to height Greenish in |  | | Journal (article/letter/editorial) | | PEGMATITES OF THE ANTSIRABE-KITSAMBY DISTRICT, MADAGASCAR WESTON BOURRET* Box 409, Pauma Valley, CA 92061...pegmatites of the Antsirabe-Kitsamby district, Madagascar. In: J.W. Gabelman (Editor), Unconventional Uranium...Uranium Deposits. Ore Geol. Rev., 3:177-191. Madagascar, sixth largest island in the world, is about...euxenite-bearing Tertiary lake sediments near Vinaninkarena, south of Antsirabe in Central Madagascar. Interest in...deposit is provided. Introduction The Island of Madagascar, about the size of California and sixth largest |  | | Catalog/List | | -----·- -Large bro~n well formed dodecahedral Madagascar Iins£4 ALMANDINE . &.8":1C~ ~~P.. . .. ~rystal...AMAZONITE Attractive green \1\ith white pcrthitic Madagascar 2x3inch £5 . Fcl~J:ar __ _ . .. _ - · _ ~11te]...(C~bonaic Fluorapatittj Brown veins and Francois Lake. British Columbia Ix½ £1 33 APATITE . Canada . masses..._ ·-·Terminated single brownish -grey crystal Madagascar I inch £4 • • ht ___ _ _________ _ .. .. _good...£5.50 white crystallised mass on limonite, some Gold Hill Mine, Tooele ½x½ Ca Zn AsO/4 OH with Adamite |  | | Catalog/List | | New East Wheal Russell mine, Devon ,Eng land Madagascar ½ x½ £2.50 lins£4 I x½ £4 )x i £6 Fall owfield...Arizona £2 Attractive green with white perthitic Madagascar 2x3 in ch inlergrowth. Cut and polished £5 Pu...Variety FRANCOLITE rich white cellular mass £1.20 Madagascar Terminated single brownish -grey crystal I inch... Holm bush Mine, Kelly Bray , Cornwall Francois Lake, Bri tish Columbi a Canada Holm bush Mine Cornwall...inch Paska Pole, Czechoslovakia long. Good form. Gold Hill Mine. Tooele white crystallised mass on limonite |  | | Catalog/List | | Chateau, Ardennes ,Belgium Amplubole 500 AUSTINITE Gold Hill Mine, Tooele County,Utah, USA white crystallised...SITE Benallt Mine, Llcyn Wales . . 68 APATITE Madagascar Rich brown mass with approx 5 % Cymrite .Also...!:.m £~--- -·· · ·- _ ___ AuTe+Ag 86 CALCITE Madagascar Good sharp dark grey rhombic cleavages lx2£2..._ _ _ _ _F_e_Cr_o_ __ 85 CHRYSOBERYL Lake Alaotra Madagascar Yellow- green small crystal group . !~m-...feldspar. lxl £5 lx2 £8 83 CHRYSOBERYL Lake Alaotra, Madagascar 563 CERULEITE _ Whcal Maid incline of |  | | Catalog/List | | Feldspar lx2 £4 2x2 £8 1119 AXINITE 768 APATITE Madagascar Terminated single brownish -grey crystal good...on matrix. lxl £3 lx2 £6 2x2 £10 503 AUSTINITE Gold Hill Mine, Tooele County.Utah, USA white crystallised...__________________ Bo_s_o_14_ _ __ 33 APATITE Francois Lake, British Columbia, Canada (Carbonate Fluorapatite)...CHABAZITE . Ramsley Mine, Devon England B6 CALCITE Madagascar Good coverage of white masses with micros on...Beryl BcAIO lxl £4 lx2 £8 CHRYSOBERYL Lake Alaotra Madagascar Yellow- green small crystal group 1cm £6 |  | | Catalog/List | | ANDALUSITE Cabracao, Minho, Portugal 500 AUSTINITE Gold Hill Mine, Tooele County,Utah, USA Quite rich pink...· 868 BISMUTITE Damaraland Namibia 68 APATITE Madagascar Rich yellow mass on matrix with minor CUPRITE...BISMUTOTANTALITE Gamba Hill Uganda 33 APATITE Francois Lake, British Columbia, Canada pure brown cleavage (Carbonate...Cove,Arkansas,USA 579 CO BALTITE Near Elizabeth Lake, 5 miles cast of Espanola,Or Black single crystal...Morbihan, Brinany, France 920 COLLINSITE Francois Lake, British Columbia, Canada Light brown vein with |  | | Catalog/List | | ✓ New East Whcal Russell mine, Devon .England Madagascar Railway cutting nearCreston . Wyoming ,U S. A...SantaCruzCounty. 1/, " 1/, £2 Arizona 2xJinch £5 Madagascar /,x½£3 60 AMAZONITE 16 AMBLYGONITE Amphibolite...✓ Gunheath Pit.St Austell.Cornwall minor Mica Madagascar T erminated single brownish -grey crystal good...good form, sizes refer to height Francois Lake, British Columbia. (CarbonateFluorapatite) Brown veins and...forn1. white crystallised mass on limonitc , some Gold Hill Mine, Toocle with i\damite.nic<: coverage. |  | | Journal (issue) | | and star garnet cat's-eyes from Ambatondrazaka, Madagascar Dr Karl Schmetzer 1 , Dr Heinz-Jürgen Bernhardt...properties of star garnets from Ambatondrazaka, Madagascar, are given. All samples examined are intermediate...garnets have been offered in local markets in Madagascar since about 1997. The rough materials for these...of Ambatondrazaka which is located south of Lake Alaotra, about 160 km north-east of the capital Antananarivo...habit of garnet crystals from Ambatondrazaka, Madagascar, showing only the dodecahedron crystal form {110}: |  | | Report (issue) | | The Natural History Museum of Milan and its Madagascar Collection The Museo Civico di Storia Naturale... the museum began paleontologic fieldwork in Madagascar (upper Permian fauna and Jurassic and Cretaceous...fieldwork in Madagascar in 1996 in collaboration with other institu tions in Madagascar, Italy, and the...Pezzotta has spent a total of twenty nine months in Madagascar making geological-mineralogical surveys. In collaboration...both classic and new minerals and gemstones from Madagascar opened at the Natural History Museum in Milan |  | | Catalog/List | | £3 l x.2 £6 2x2 £ 1 2 Jx2 £10 l xl £5 AUSTINITE Gold Hill Mine, Toocle County,Utah, USA ANTIGORITE Jeffery...Palabora Mine, Phalabora, Transvaal, South Afri, Madagascar 29 68 Tem1inated single brownish -grey crystal...x 2 £9 APATITE BARYTES Babbacombc Devon Francois Lake, British Columbia , Canada 33 1 1 27 (Carbonate...slivery mass on quartz Bi S 8mm £5 ■■ CALCITE Madagascar 86 Good sharp dark grey rhombic cleavages l x2...Feldspar lxl £4 lx2 £8 CELSIAN CHRYSOBERYL Lake Alaotra, Madagascar Benallt Mine, Lleyn, Wales 995 83 pure |  | | Catalog/List | | Magniotriplite, Normandite. Native Elements, Two new Gold locations and Copper after Aragonite. Metallic minerals...ALMANDINE Large brown well fom1ed dodecahedral Madagascar I ins£4 garnet group Crystal I inch across ALSTONITE...__ County. _ AI1zona 60 AMAZO:-;ITE 2x3i nch£5 Madagascar Anractive green with white penhitic _Feldsp�ar...£4 - Tcrmina1ed single brownish -grey crystal Madagascar 1 . 5 inch APATITE £6 Ca PO/4/ F -- - -- -good... X ½ whole crystallised mass on limoni1e . some Gold Hill Mine. Tooele I x 1/, £4 l x l £5.50 Ca Zn AsO/4 |  | | Book (edition) | | Swaziland PART EIGHT MADAGASCAR AND LESSER INDIAN OCEAN ISLANDS 26 Madagascar 27 The Smaller Indian...associations concerned with developn1ent of river and lake basi11s a11d other sharecl geographic regions in...Swaziland 112. Physical map of Madagascar 113. Precipitation on Madagascar; selected climographs; physical...regions 1 14. Population density of Madagascar 115. Economic map of Madagascar 1 16. Location map, Indian Ocean...Po a French Somaliland French Soudan b Gold Coast Madagascar Moyen Congo c Northern Rhodesia Nyasaland |  | | Report (issue) | | Tangan3rika, Territo,r y), Bra.zil, Argentina, and Madagascar. · Th1·oughout the war· period nu1nerous factors...e m Madaga,s car, also near the no1ih end of Lake Alaotra in the north-eastern part of the island. Most...Guide-book No. 2, 1913, pp. 123-130. North shore of Lake Huron, Ontario., by W. H. Collins; Geol. Surv. Ca11ada...l\fADAGASCAft. The occurrences of mica in south-east Madagascar; lVIin. Jou1~n., 1920, 121, 790. Et11de succincte...Matter; GENE:aAL ANALYSIS OF THE LAW RELATING TO THE GOLD ' COAST AND ASHANTI: IntroduQtory; Definition of |  | | Catalog/List | | fibrous mass (once known as PICROLITE) lxl £5 Francois Lake, British Columbia , Canada 33 APATITE (Carbonate...fom1. 30 [5 ____ __ ___ P)1oxcnc AUSTINITE 500 Gold I lill Minc, Toocle County.Utah. USA white crystallised...EMATITE I x I £6 I x2 £ I 2 Feldspar 2x2 £ 30 Madagascar DARYTE APATITE TalTs Well, near CurdilT Walcs...x'I, £3 l x2 £ 1 .50 Cu Fe S l x l 80p Blackstone Lake, Parry Sound, Ontario, Canada 2 1 1 IIASTNAESITE...P0/4 CI PyTOxcne Fe Ct O Page 4 b Lake Alaotra Madagascar CHRYSOBE RYL Ycllow- g n:c:n small crystal |  | | Journal (issue) | | Euclase from Brazil Inclusions in Demantoid from Madagascar Photochromism Part 2 Volume 38 / No. 1 /...Reports | Global Diamond Industry Report 2021–2022 | Gold Demand Trends 2021 | The Journal’s Cumulative Index...Demantoid Garnet from Antetezambato, Northern Madagascar—Internal Characteristics and Their Use in Deciphering... Štubňa Gem Notes Aquamarine from Manakana, Madagascar | Star Augite from Vietnam | Crocoite from Tasmania... 38(1), 202 2 1 WHAT’S NEW Gold Demand Trends 2021 The World Gold Council released a combined report |  | | Journal (issue) | | Issue Paterson (NJ), Brumado district Benitoite, Gold L.A. County $12 Museum, Himalaya mine $12 (Brazil)...(Brazil), Kalkar quarry (CA), Kremsmünster $12 v.18/#1 Gold-II Issue! v.17/#6 Bleiberg (Austria), Australia...Idria mines (Yugoslavia), Outlaw Seriphos (Greece), Lake George Eugui quarries (Spain) $12 mine (NV), Pribram...$12 v.23/#1 Dohrmann Gold collecv.23/#2 Michigan Copper Coun- v.23/#3 African gold, IA calcite, tion, Gillette...Anjanabonoina (Madagascar), $12 Port Radium Silver (Canada) $12 v.25/#1 Jamestown mine gold (CA), v.25/#2 |  | | Book | | sent their galleons to the New World in search of gold and precious stones, so great modern nations now...Garland, J. Amster of the Compagnie Générale de Madagascar, J. Sirakian of the Taillerie de Royat, and S...also become symbols of mediation with the gods. Gold and amber, evoking the sun, source of beneficent...The Chibcha of South America offered gold and emeralds to Lake Titicaca (see EMERALD). Tribal chiefs...England did when they met on the Field of Cloth of Gold in 1520 in the hope of political gains. In a highly |  | | Book | | mineral is not always a rock. On the other hand, gold and silver, found pure or in the 'native' state...of a single chemical element, such as sulphur or gold, but more often it consists of a chemical compound...that of food supplies. Copper and gold were the first known metals. Gold occurs openly in nature. Its color...artificial compounds could be expressed as form11/as. Gold (Au), carbon (C), rock salt (NaCl), pyrite (FeS...= gas, N Ag silver Al aluminium M As arsemc An gold B boron B, barium B, beryllium C carbon c, calcium |  | | Report (issue) | | Intermountain Association of Petroleum Geologists. Salt Lake City. Internat. Geod. Geophys. Union Assoc. Sci...Potzger, John B. Late Wisconsin chronology of the Lake Michigan basin correlated with pollen studies: Geol...establishes an awsulute chronology of events in the Lake Michigan basin as follows: Two CreeKsBowmanville...stage, 11,000 years ago; end of Lake Algonquin 8,000 years ago; Lake Chippewa low-water stage, 5,000...lakes on the Mankato drift, and for deposits of Lake Agassiz which were presumed to record the retreat |
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