 | | Journal (article/letter/editorial) | | carbonates in peridotite xenoliths from northeastern Tanzania Received: 30 July 1999 / Accepted: 5 February...xenoliths from the East African Rift in northeastern Tanzania occur as intergranular patches with accessory...located in the rift valley proper in northern Tanzania (Dawson and Smith 1988). These sites are near...near the well-known carbonatite volcanoes, Ol Doinyo Lengai and Kerimasai. The host lava for both Pello and...garnet-bearing lithologies, the lithosphere beneath this region probably extends no deeper than 90 km, consistent |  | | Journal (article/letter/editorial) | | forsterite–phlogopite ijolites at Oldoinyo Lengai Volcano, Tanzania: study of melt inclusions V.S. Sekisova...inclusions in minerals of ijolite xenoliths at Oldoinyo Lengai Volcano. Melt inclusions with different phase compositions...consist of nyerereite, gregoryite, thenardite, witherite, fluorite, villiaumite, and other phases. Their...ijolite; nyerereite; natrocarbonatite; Oldoinyo Lengai Introduction The East African Rift System, expanding...the Gulf of Aden through Ethiopia, Kenya, and Tanzania, is divided into two large tectonic zones: Western |  | Teboul, P.-A., Durlet, C., Gaucher, E.C., Virgone, A., Girard, J.-P., Curie, J., Lopez, B., Camoin, G.F. (2016) Origins of elements building travertine and tufa: New perspectives provided by isotopic and geochemical tracers. Sedimentary Geology, 334. 97-114 doi:10.1016/j.sedgeo.2016.01.004 | Journal (article/letter/editorial) | | Spring mound Pisarskii et al., 1998 Songwe river (Tanzania) Hypogean Carbonatite Modern Spring mound...the eclogite blocks from the Ligurian ophiolite region could explain the low barium content of Ponte Arma...alteration of Modern carbonatites from the Ol Doinyo Lengai volcano, Tanzania and from the carbonatites from the...enrichments in draining waters of the Ol Doinyo Lengai volcano in Tanzania. These enrichments are directly...in common minerals such as barite (BaSO4) and witherite (BaCO3), either as authigenic minerals in the |  | Mikhailova, Julia A., Kalashnikov, Andrey O., Sokharev, Victor A., Pakhomovsky, Yakov A., Konopleva, Nataly G., Yakovenchuk, Victor N., Bazai, Ayya V., Goryainov, Pavel M., Ivanyuk, Gregory Yu. (2016) 3D mineralogical mapping of the Kovdor phoscorite–carbonatite complex (Russia) Mineralium Deposita, 51 (1) 131-149 doi:10.1007/s00126-015-0594-z | Journal (article/letter/editorial) | | part of the Fennoscandinavian shield; Murmansk Region, Russia). We describe major intrusive and metasomatic...Sciences, 14 Fersman Street, Apatity, Murmansk Region 184209, Russia 2 Geological Institute of the...Murmansk Region 184209, Russia 3 JSC BKovdorskiy GOK^, 5 Sukhachova Street, Kovdor, Murmansk Region 184141...phlogopitite, fenite, etc.) in the southwestern Murmansk Region is an oval caldera-like depression (7.5× 9 km)...rhabdophane-(Ce), magnesite, shortite, eitelite, witherite, norsethite, burbankite, nyerereite, northupite |  | | Report (volume) | | Carbonatite lava flow from an eruption of Oldoinyo Lengai, Tanzania. Photo courtesy of Tobias Fischer. Series...more than 10,000 prospectors to the semi-desert region, and inevitably led to the recognition of diamond...Coal Mine 45, Kopeisk, Urals R3 Is River, Isovsky District, Urals C C I, To MCo CoF Pla I M M N, Ta Pla...Luobusha ophiolite complex, Autonomous Tibetan Region; (2) within the Mengyin kimberlite field, Linyi...three carbides that are unknown from any other region: qusongite (WC; Fang et al. 2009; Shi et al. 2009) |  | | Book | | coccoliths. From plankton sample of the Kimberley region, Australia, kindly provided by CSIRO Tasmania (picture...arsenolite and claudetite, both As2O3, as well as witherite, BaCO3. Others are regarded only harmful to health...which the transport medium can move from the source region to the locus of ore precipitation; 5 an energy...crystal faces of the cube {100}. Kondjor, Chabarowsk district, Eastern Siberia, Russia hexagonal with 6/m2/m2/m...deposits of the Namib Desert and in the offshore region of Namibia. Many occurrences of diamond are known |  | | Book (edition) | | within the city limits, but also to the surrounding region. In this edition of the Thesaurus, names of cities...newly added are followed by the word “region”; e.g., Stripa region. Names of materials, when used as GeoRef... isochrons isotopes SA SA Abruzzi Autonomous region on the Adriatic Sea. CO N414000N425500 E0144800E0130000...Islands Adalia use Antalya Adamawa Administrative region in N. BT Cameroon adamellite As of 1981, includes...changed from Greece to Mediterranean region. BT Mediterranean region SA Greek Aegean Islands Between Greece |  | | Book | | solids from a gas depend on temperature. In that region of the nebula occupied by the terrestrial planets...also have pushed ionized gases out of the inner region of the nebula. Again, there is a possibility that...up by this mass loss could have swept the inner region of the nebula clear of uncondensed gases. Planet...near the poles differs from that in the equatorial region. The succession of strata in the layered deposits...broadly correspond to terrestrial rocks in the region of the core/mantle boundary at 2900km (1800mi) |  | | Book (edition) | | the city limits, but also to the sur¬ rounding region. Terms for materials in GeoRef, for example, "iron...Aberfeldy Term introduced in 1989. Town and mining region in Tayside, central Scotland; oil field in Lloydminster...in GeoRef (see Introduction, p. vi). Autonomous region on the Adriatic Sea. CO N414000N425500 E0144800E0130000...SA Aleutian Islands Adalia use Antalya Adamawa Region in W Africa, now part of N central Cameroon and...BA Proterozoic BT Precambrian Adrar Interior region in W Mauritania near Western Sahara border. BT |  | | Book | | position of 56Fe; and (iv) the abundance peaks in the region past iron at the neutron closed shell positions...mixing caused by the convection, the entire unstable region evolves essentially chemically homogeneously—replenishing...of burning region (central or shell burning) and depleting the fuel elsewhere in that region at the same...burning of this fuel then commences outside that region. Table 1 summarizes the burning stages and their...maximum temperatures that have been reached in each region in the preceding hydrostatic burning stages (Table |
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