 | | Journal (article/letter/editorial) | | early attention because of their contents of cassiterite, which has been worked from placer deposits,...26~30' Mhlatuzane Gneiss and Mahamba Gneiss D Hlatikulu Granite SINCENI PLUTON D Gray medium to coarse-grained...younger pegmatites in the Sinceni area carry cassiterite, beryl and lithium minerals. These pegmatites...garnet, beryl, apatite, zircon, ilmenite and rare cassiterite, the last associated with Nb-Ta oxide minerals...(1983) based on Z r / H f ratios in pegmatitic cassiterite. It can be concluded, then, that fractional crystallization |  | | Journal (article/letter/editorial) | | main stage of crystallization and the second (cassiterite, schorl-dravite, elbaite) formed in late-stage...inclusions in late-stage elbaite, schorl-dravite and cassiterite. Type 2 fluid is carbonic, mixed H 2 0 - C O...minerals and primary inclusions in tourmaline and cassiterite from mineralized units. Evidence is inconclusive...contain well-developed albitic units bearing cassiterite, and micaceous units with lepidolite, elbaite...doubly-polished sections. Quartz, beryl, tourmaline and cassiterite were collected as single crystals from outcrop |  | | Report (volume) | | veins and pegmatites containing wolframite, cassiterite, and topaz; in Precambrian granitic and metamorphic...0 c: ~ 0 M w Sainsbury, 1964. Fluorite, cassiterite, and sulfides in pipe in Precambrian limestone...E. Fluorite, cryolite, to{laz, pyrochlore, cassiterite, columbite, tantalite, wolframite, and sulfides...> ::0 ::0 trl U1 0 c:::: ::0 Swaziland Hlatikulu deposite --------- 27°00' S. 31°18'E. Fl8.3'2i\c~l~hi~knfn-~...Fluorite, pyrochlore, columbite, magnetite, cassiterite, barite, and sulfide deposits in carbonatite |  | | Journal (issue) | | Maloney fault respectively. In addition, in the region of the Moruga road, it seems to be interrupted...be seen at Galfa Point and in the Sangre Grande region. 299 GENERAL AND ECONOMIC GEOLOGY OF TRINIDAD...sh.oals in these Ranges and also in the Naparima region. These shoals afforded favourable conditions for...small amount of impurity was present, notably cassiterite and a little quartz. The specific gravity of...per cent. which consisted almost entirely of cassiterite, with very little quartz, etc. The Sn0 2 reported |  | | Journal (issue) | | Brunei. The difficulties of communication in this region are very great, for in the combined territories...building has resulted from the wealth flowing into the region from the rapid expansion of the oil industry, the...water transport; it can thus supply the surrounding region, including the Rajang estuary. It is estimated...University, had made a special examination of the region with the object of finding stone supplies. In general...often provide the first reliable guidance to a region. (In many Colonial territories, the geologists |  | | Journal (issue) | | Series strata contain small vein deposits of cassiterite and scheelite, thought to be associated with...Kasama and Abercorn, minor amounts of detrital cassiterite and gold in members of the Plateau Series. GRANITES...Cretaceous Valley-floor Peneplain of the Lake Nyasa Region and its Relation to Tertiary Rift Structures.''...Mineral Concession No. 37 and Remainder of No. 20, Hlatikulu district ... (D.N.D.) Notes on Occurrence of Asbestos...Concession No_ .. 20, Hlatikulu district. (D.N.D.) Further Notes on the Occurrence of Cassiterite on Crown Mineral |  | | Book | | systematically present the geology of each country, region and continent on Earth. Each book aims to provide...31°19′57.1″ Roadcut on MR9 asphalt road N of Hlatikulu Heterogeneous banded grey gneiss 3224.6 ± 3...5″ Roadcut on N9 highway in Mkhondo Valley Hlatikulu Granite 2726.8 ± 6.2 AGC261 26°49′12.5″ 31°25′33...gneissic and granitoid terrain to the south in the region around the town of Piet Retief (now Mkhondo; Fig...such as Sinceni and in the Mbabane area carry cassiterite, which has been worked from placer deposits, |  | | Journal (issue) | | limits the elevation of the hills in the Naparima region, and coupled with the violent erosion follo,ving...Vol. 27, p. 115. 1928. '' Geology of the Naparima region of Trinidad.'' Quart. J. Geol. Soc. Lond., Vol... Historical Geology of the Antillean Caribbean Region etc.'' New York! John Wiley & Sons Inc. ScoTT,...and north central area adjoining Mabira Forest, a region of poor outcrop and heavy overburden. Although...metasediments in this north-west corner of the littoral region of Lake Victoria. Pegmatites, tourmaline and iron |  | | Book | | basic understanding of the geology of an area or region will never happen without initial observation of...(1872) on East Africa, in which the Great Lakes region of central eastern Africa is very poorly figured...suture zone along the southern Lake Tanganyika region; it also cut across the Mesoproterozoic Kibaran...environments of Eurasia, and varied extensively from region to region. Synchroneity of climatic change through the...to the Tuareg shield, which comprises the Hoggar region and its southwestern and southeastern prolongations |  | | Journal (issue) | | schists of the Sttla Mountains. Small amounts of cassiterite associated with topaz and gold have been found...contacts in the Nimi Hills near Jaiama, and cassiterite, locally associated near Dalakuru with wulfenite...formed include gold, molybdenite, wulfenite, cassiterite, colttmbitetantalite and ilmenorutile. THE BASIC...that the reserves of soft ore at Lunsar are in the region of 20 million tons, but this is probably a very...recovered. In the Lake Sonfon area a little cassiterite and columbite-tantalite is found in the gold-bearing |  | | Journal (issue) | | stage of dissection is variable. In the Naparima region, where it cuts across Oligocene and Lower Miocene...in Tangan)rika, and in the investigation of cassiterite, wolfram, salt, and gypsum. The activities of...in hand. Swaziland produced asbestos, gold, cassiterite and barytes valued at more than £1,700,000 in...a preliminary examination of the Maya Mountains region, has lately been successful in finding alluvial...examine the geology and mineral occurrences of the region and to collect plant specimens and meteorological |  | | Journal (issue) | | clay minerals have also been recorded. Neither cassiterite nor topaz has been found in any of the deposits...solid solution. It is important to observe that cassiterite has never been fo1111di11 the area and that the... fluorite, muscovite, base-metal sulphides, cassiterite and, probably, columbite. The greisen grades...south-vvest Uganda (see Combe, 1932). Although both cassiterite and wolfram occur in the Nigerian deposits, there...Kaolinisation of the granite in proximity to cassiterite-bearing veins in Cornwall is regarded as having |  | | Journal (issue) | | Gold.fields of the Lake Victoria Region. The goldfields of this region are conveniently divisible into...THE IMPERIAL INSTITUTE origin, the Lake Victoria region has yielded little or no· gold of this type. Production...in r94r. The gold deposits of the Lake Victoria region may be described under the following natural categories...There is, however, a greater preponderance in this region of extensive pyritic impregnations over normal.../ton). 6·I Gold.fields outside the Lake Victoria Region.-The Lupa Goldfield is situated in the Southern |  | | Book | | discouragingly on of events scientific-geological the region inwas and mineral- feasibility of working profit...aquamarines the as type in discovery could have region stated unequivocally the been found in Antiquity...Mountains, prehistoric turquoise,” gemstones, region is mining activity. Eichholz suggests probably...distribution of New World emeralds, it authorities as region and flood of emeralds and a jewels of Spain...a streams in this because further analyses region to also Manta named they provide emeralds |  | | Journal (issue) | | at temperatures far in excess of tl1e stability region of chrysotile. . The remaining aqueous solutions...Rift in connection with oil prospecting of the region. This survey, apart from its purely practical value...cou11try produced chrysotile asbestos, gold, cassiterite, and barytes, valued at £1,267,116 in 1949. There...Department. Recent detailed investigation of cassiterite-bearing pegmatites in the vicinity of Mbabane...exploitable as lode mining propositions. All cassiterite mined so far has been from alluvial sources. |  | | Journal (issue) | | other highly interesting rocks that occur in the region of Lake Chilwa (or Lake Shirwa), in southern Nyasaland...to serve as a standard for the entire Caribbean region. On the other hand, facts have been brought to...Atlantic and Gulf Coastal Plain and the Caribbean Region.,, Bull. No. 54, geol. Soc. Amer., pp. 1713-1722...to scarcity of ground control. The mineralised region of south-west Uganda has now an excellent air photograph... '' The Geology and Ecology of the N achingwea Region, Southern Province,'' by D. R. Grantham. Bulletin |  | | Book (volume) | | those on the other. Mocambique 1. The first region includes the lowland plain of Mocambique. The coastal...South-western Cape Province. ' L.M.- L?urenco Marques, B. (region 1)-Befra, V.G.-Vfla Gouveia, 0.- Durban, E.L.-...Elizabeth, K. (region 2)-Knysna, K. (region 3)-Kokstad, L.Ladysm,th, N.- Nelsprult, B. (region 4)-Bloemlonteln... S. (region 4)-Standerton, S. (region 5)-Salisbury, B. (region 5)-Bulawayo, M.-Maun, K. (region 6)-Kimberley...coastlands of Natal and the south eastern Cape form region 2. In the narro,v lowland fringe which does not |  | | Journal (volume) | | Rhexoxylon and Dadoxylon from the Lower Shire Region of Nyasaland and Portuguese East Africa . By Professor...Rhexoxylon africanum Banc . Half the expanded Pith Region of a large Stem, with Shreds of normal Secondary...other highly interesting rocks that occur in the region of Lake Chilwa (or Lake Shirwa), in southern Nyasaland...to serve as a standard for the entire Caribbean region. On the other hand , facts have been brought to...Atlantic and Gulf Coastal Plain and the Caribbean Region .” Bull. No. 54, geol. Soc. Amer. , pp . 1713-1722 |  | | Book (volume) | | (Arabic Bilad-es-Sudan, country of the blacks), that region of Africa which stretches, south of the Sahara...Negroland, at one time current, referred to the same region. African type, occupy the greater part of the...igth century they fell under the of France, the region being In styled officially the French Sudan. control...Sudan may be described as a moderately elevated region, with extensive open or rolling plains, level plateaus...(Freiburg, 1885). THE ANGLO-EGYPTIAN SUDAN The region which before the revolt of the Arabized tribes |
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