CURRENT LITERATURE SURVEY MINERALOGY Trace element composition and cathodoluminescence properties of southern African klmberlltic zircons Belousova E.A., Griffin W.L. &Pearson N.J.,Mineralogical Magazine, 1998,62/3 (355-366). Mineralogy of clay raw material from Burkina Faso and Niger used for ceramic wares Kabre T.S., Traore K. & Blanchart P., Applied Clay Science, 1998, 12/6 (463-477).
GEOCHRONOLOGY New age constraints on the timing of volcanism and tectonism in the northern Main Ethiopian Rift - southern Afar transition zone (Ethiopia) Chernet T., Hart W.K., Aronson J.L. &Walter R.C.,JournaZ of Volcanology and Geothermal Research, 1998, 8013-4 (267280).
IGNEOUS AND METAMORPHIC GEOLOGY
GEOCHEMISTRY
The northwestern Ethiopian Plateau flood basalts: classification and spatial distribution of magma types Pik R., Deniel C., Coulon C., Yirgu G., Hofmann C. & Ayalew D., Journal of Volcanology and Geothermal Research, 1998, 81/l-2 (91-111).
Geochemlcal and neutronic characteristics of the natural fossil fission reactors at Oklo and Bangombe, Gabon Hidaka H. & Holliger P., Geochimica et Cosmochimica Acta, 1998,62/l (89-108).
On the first experimental phreatomagmatic explosion of a kimberlite melt Kurszlaukis S., Buttner R., Zimanowski B. & Lorenz V., Journal of Volcanology and Geothermal Research, 1998,80/34 (323-326).
Mineralogical, chemical and oxygen isotopic data on uranlnites from natural fission reactors (Gabon): effects of weathering conditions Pourcelot L. 8c Gauthier-Lafaye F., Comptes Rendus de
Implications of longeval lava lakes for geomorphological and plutonlc processes at Erta ‘Ale volcano, Afar Oppenheimer C. & Francis P., Journal of Volcanology and Geothermal Research, 1998,80/l-2 (101-l 11).
I’Academie de Sciences - Serie Ha: Sciences de la Terre et des Planetes, 1998, 32617 (485-492).
Petrologic evolution of partially molten cumulate: the Atok section of the Bushveld Complex Mathez E.A., Hunter R.H. & Kinzler R., Contributions to Mineralogy and Petrology, 1997, 129/l (20-34). A deep mantle source for carbonatite magmatism: evidence from the nephelinltes and carbonatites of the Buhera district, SE Zimbabwe Harmer R.E., Lee CA. & Eglington B.M.,Earth and Planetary Science Letters, 1998, 158/3-4 (131-142). The generation of potassic lavas from the eastern Virunga province, Rwanda RogersN.W.,JamesD.,KelleyS.P.&DeMulderM.,Journal of Petrology, 1998,39/6 (1223-1247). Isotope (Sr, Nd, Pb, 0) and trace-element geochemistry of volcanics from the Erta’Ale range (Ethiopia) Barrat J.A., Fourcade S., Jahn B.M., Cheminee J.L. & Capdevila R., Journal of Volcanology and Geothermal Research, 1998, 80/l-2 (85-100). Formation of juvenlle continental crust in the ArabianNubian shield: evidence from granitic rocks of the Nakasib suture, NE Sudan Stern R.J. & Abdelsalam M.G.,Geologische Rundschau, 1998, 87/l (150-160). Stable isotope chemistry of gaylussite and nahcollte from the deposits of the crater lake at Malha, northern Sudan Mees F., Reyes E. SCKeppens E., Chemical Geology, 1998, 146/l-2 (87-98). Distribution and chemical fractionation of some heavy metals in bottom sediments of Lake Nasser Moalla S.M.N., Awadallah R.M., Rashed M.N. & Soltan M.E., Hydrobiologia, 1997 1998, 364 I/- (31-40). Steroid carbon skeletons with unusually branched C-3 alkyl side chains in sulphur-rich sediments Schouten S., Sephton S., Baas M. & Sinninghe Damste J.S., Geochimica et Cosmochimica Acta, 1998,62/7 (1127-1132).
SEDIMENTARY GEOLOGY Sedimentary response to basin inversion: mid Cretaceousearly Tertiary pre- to syndeformational deposition at the Arelf El Naqa anticline (Sinai, Egypt) Luning S., Kuss J., Bachmann M., Marzouk A.M. & Morsi A.M., Facies, 1998, -/38 (103-136). Inorganic sediment budget in the mangrove-fringed Fly River Delta, Papua New Guinea Wolanski E., Gibbs R.J., Spagnol S., King B. & Burnskill G., Mangroves and Salt Marshes, 1998, 2/2 (85-98). Early Devonian Kess-Kess carbonate mud mounds of the eastern Anti-Atlas (Morocco), and their relation to submarine hydrothermal venting Belka Z., Journal of Sedimentary Research, Section A: Sedimentary Petrology and Processes, 1998, 6813 (368-377). Sobtropical coral-reef associated sedimentary facies characterized by molluscs (northern Bay of Safaga, Red
Sea,Egypt)
Zuschin M. & Hohenegger J., Facies, 1998, -/38 (229-254).
STRATIGRAPHY Cratonic and foreland early Cambrian phosphorites of West Africa: Palaeoceanographical and climatical contexts Flicoteaux R. & Trompette R., Palaeogeography, Palaeoclimatology, Palaeoecology, 1998, 139/3-4 (107-120). A revised chrono-lithostratigraphic framework for the presalt (Lower Cretaceons) in Cablnda, Angola Braccini E., Denison C.N., Scheevel J.R., Jeronimo P., Orsolini P. & Barletta V., Bulletin des Centres de Recherches Elf Exploration Production, 1997, 21/l (125-151). Stratigraphy and structure of the Cretaceous Gongola Basin, northeast Nigeria Zaborski P., Ugodulunwa F., Idornigie A., Nnabo P. & Ibe K., Bulletin des Centres de Recherches Elf Exploration Production, 1997,21/l (153-185).
Decouverte de chitinozoaires a la limite Ordovicien-Silurien en Mauritania; implications paleogeographiqnes (First record of chitinozoans from the Ordovician-Silurian palaeogeographic boundary beds of Mauritania; implications) Paris F., Deynoux M. & Ghienne J.-F., Comptes Rendus de
A high relative sea-level stand in the middle Holocene of southeastern Tunisia Jedoui Y., Kallel N., Fontugne M., Ismail H.B., M’Rabet A. t Montacer M., Marine Geology, 1998,147/l-4 (123-130).
I’Academie de Sciences - Serie IIa: Sciences de la Terre et des Planetes, 1998, 32617 (499-504).
PALAEONTOLOGY
Comings and goings of global glaciations on a Neoproterozoic tropical platform in Namibia Hoffman P.F., Kaufman A.J. & Halverson G.P.,GSA Today, 1998,8/S (l-9).
THE QUATERNARY Luminescence dating at Rose Cottage Cave: A progress report Woodbome S. &Vogel J.C., South African Journal of Science, 1997,93/10 (476-478). Temporal variation in the interhemispheric 14C offset McCormac F.G., Hogg A.G., Higham T.F.G., Lynch-Stieglitz J., Broecker W.S. , Baillie M.G.L., Palmer J., Xiong L., Pilcher J.R., Brown D. & Hoper S.T., Geophysical Research Letters, 1998,25/g (1321-1324). A 40 OOO-yr pollen and diatom record from Lake Tritrivakely, Madagascar, in the southern tropics Gasse F. & Van Camp0 E., Quaternary Research, 1998,49/3 (299-311). Paleoenvironmental changes during the last 4000 yr in the Tigray, northern Ethiopia Machado M.J., Perez-Gonzalez A. & Benito G., Quaternary Research, 1998,49/3 (312-321). Environmental changes deduced from magnetic properties of late Pleistocene and Holocene lake sediments, Lake Faguibine, Mali Jelinowska A., Tucholka P., Massault M., Gasse F. & Melieres F., European Journal of Environmental and Engineering Geophysics, 1997,2/3 (191-203). Megaliths and Neolithic astronomy in southern Egypt Malville J.M., Wendorf F., Mazar A.A. L Schild R.,Nature, 1998,392/6675 (488-491). The Middle Stone Age sequences at Rose Cottage Cave: A search for continuity and discontinuity Harper P.T.N., South African Journal of Science, 1997,93/10 (470-475).
Micromammals and the Holocene environment of Rose Cottage Cave Avery D.M., South African Journal of Science, 1997, 93/10 (445-448). The final Middle Stone Age at Rose Cottage Cave: A distinct industry in the Basutolian ecozone Clark A.M.B., South African Journal of Science, 1997,93/10 (449-458). Down the microscope and beyond: Microscopy and molecular studies of stone tool residues and bone samples from Rose Cottage Cave Williamson B.S., South African Journal of Science, 1997,931 10 (458-464). The arboreal vegetational landscape of Sinai during antiquity as evident from archaeological wood remains LiphschitzN., Israel Journal of Plant Sciences, 1998,46/l (5359). Onland tertiary marine strata in southwestern Africa: Eustasy, local tectonics and epeirogenesis in a passive continental margin setting Pickford M., South African Journal of Science, 1998,94/l (58).
The presence in Morocco of the late Famennian genus Hadyrhyncha Havlicek 1997 (rhynchonellid, brachiopod) Sartenaer P., Bulletin de l’lnstitut Royal des Sciences Naturelles de Belqique, Sciences de la Terre, 1998,68/- (115-120). Theropithecus atlanticus (Thomas, 1884) (Primates: Cercopithecidae) from the late Pliocene of Ah1 al Oughlam, Casablanca, Morocco Alemseged Z. & Geraads D., Journal of Human Evolution, 1998, 34/6 (609-621). Middle Pleistocene hominid carpal proximal phalanx from the Gladysvale site, South Africa S&mid P. & Berger L.R., South African Journal of Science, 1997,93/10 (430-431). Archaeological predictions for hominid land use in the paleoOlduvai Basin, Tanzania, during lowermost Bed H times Blumenschine R.J. & Peters C.R., Journal of Human Evolution, 1998,34/6 (565-607). The theropod ancestry of birds: New evidence from the Late Cretaceous of Madagascar Forster C.A., Sampson S.D., Chiappe L.M. KcKrause D. W., Science, 1998,279/5358 (1915-1919). La faune de mammiferes du Pliocene terminal d’Ah1 al Oughlam, Casablanca, Maroc (The late Pliocene mammalian fauna of Ah1 al Oughlam, Casablanca, Morocco) Geraads D., Amani F., Raynal J.-P. 8c Sbihi-Alaoui F.-Z., Comntes Rendus de I’Academie de Sciences - Serie Ha: Sciekes de la Terre et des Planetes, 1998, 32619 (671-676).
Diversification and extinction in Campauian-Maastrichtian planktic foraminifera of northwestern Tunisia Liangquan Li 8c Keller G., Eclogae Geologicae Helvetiae, 1998, 91/l (75-102). Okavango Oasis, Kalahari Desert: a comtemporary analogue for the late Cretaceous vertebrate habitat of the Gobi Basin, Mongolia Jerzykiewicz T., Geoscience Canada, 1998,25/l (15-26). DOMMS nouvelles biochronologiques
et paleoecologiques sur le bassin sedimentaire cotier du Benin entre le Cretace superieur et PEocene basal (Afrique de l’ouest) (New biochronological and paleoecological data on the coastal sedimentary basin of Benin Republic (West Africa) between the Upper Cretaceous and lowermost Eocene) Bio-Lokoto A., Carbonnel G., De Klasz I., De Klasz S., Lang J. & Salard-Cheboldaeff M., Revue de Micropaleontologie, 1998,41/l (29-57). Associations d’ostracodes en facies mixtes de plate-forme: l’exemple du Messinien de la region nord des Tessla (Oranie, Algerie) (The Messinian from the northern Tessala region (Orania, Algeria): mixed platform facies and their ostracode assemblage$ Babinot J.-F. & Boukli-Hacene S., Revue de Micropaleontologie, 1998,41/l (3-17).
STRUCTURAL TECTONICS
GEOLOGY
AND
Melt-bearing shear zones: analogue experiments and comparison with examples from southern Madagascar Grujic D. & Mancktelow N.S., Journal of Structural Geology, 1998,20/6 (673-680).
Characterisation of Mesozoic-Cenozoic deformations and palaeostress fields in the central Constantinois, northeast Algeria Aris Y., Coiffait P.E. L Guiraud M., Tectonophysics, 1998, 290/l-2 (59-85). Les episodes magmatiques do sod-onest de Madagascar (bassin de Morondava), marqueurs des phenomenes de rifting cretace et neogene (Rifting-related magmatlc episodes of south-western Malagasy (Morondava Basin)) Rasamimanava G., Bardintzeff J.-M., Rasendrasoa J., Bellon H., Thouin C., Gioan P. & Pique A., Comptes Rendus de liicademie de Sciences - Serie IIa: Sciences de la Terre et des Planetes, 1998, 326/10 (685-691).
SEISMOLOGY The challenge of interpreting 3-D seismic in Shaybah Field, Saudi Arabia Alfaraj M.N., Nebrija E.L. & Ferguson M.D., GeoArabia, 1998,3/2 (209-226). An indication of time-dependent seismic behavior - an assessment of paleoseismic evidence from the Arava Fault, Israel Leonard G., Steinberg D.M. 8c Rabinowitz N., Bulletin ofthe Seismological Society of America, 1998, 8813 (767-776). Local magnitude scale and seismicity rate for Tanzania, East Africa _ Langston C.A., Brazier R., Nyblade A.A. t Owens T.J., Bulletin of the Seismological Society of America, 1998, 8813 (712-721).
ENERGY SOURCES Paleozoic (pre-Khuff) hydrocarbon geology of the Ghawar area, eastern Saudi Arabia Wender L.E., Bryant J. W., Dickens M.F., Neville A.S. & AlMoqbel A.M., GeoArabia, 1998, 312 (273-302). Application of chemical geothermometers to thermal springs of the Maghreb, North Africa Mimi A.L., Ben Dhia H., Bouri S., Lahrach A., Ben Abidate L. & Bouchareb-Haouchim F.-Z., Geothermics, 1998, 2712 (211-233). Geochemistry of the high-salinity geothermal field of Asal, Republic of Djibouti, Africa D’Amore F., Giusti D. &AbdallahA.,Geothermics, 1998,271 2 (197-210).
EXTRATERRESTRIAL GEOLOGY Constraints on the size of teh Vredefort impact crater from numerical modeling Turtle E.P. & Pierazzo E., Meteoritics and Planetary Science, 1998, 33/3 (483-490). Geophysical profile of the Roter Kamm impact crater, Namibia Brandt D., Reimold W.U., Franzsen A.J., Koeberl C. & Wendorff L., Meteoritics and Planetary Science, 1998, 3313 (447-453).
F;rFder castle torn apart by earthquake at dawn, 20 May Ellemblum R., Marco S., Agnon A., Rockwell T. & Boas A., Geology, 1998,26/4 (303-306).
ENVlRONMEiNTAL GEOLOGY Biological monitoring of the impacts of mine on fish populations in the Fly River Guinea Swales S., Storey A.W., Roderick I.D., K.A. & Tenakanai C.D., Science of the 1998,214/l-3 (99-l 11).
the Ok Tedl copper system, Papua New Figa B.S., Bakowa Total Environment,
The Aouelloul Crater, Mauritania: on the problem of confirming the impact origin of a small crater Koeberl C., Reimold W.U. & Shirey S.B., Meteoritics and Planetary Science, 1998,33/3 (513-517). Formation of carbonates in the Tatahouine meteorite Barrat J.A., Gillet P., Lecuyer C., Sheppard S.M.F. & Lesourd M., Science, 1998,280/5362 (412-413).
GENERAL TEXTS
ECONOMIC GEOLOGY
Crops can be irrigated with lime-treated acid mine drainage Jovanovic N.Z., Barnard R.O., Rethman N.F.G. & Annandale J.G., Water SA, 1998,24/2 (113-122).
Remote sensing, land use and hydrotopes in western province, Zambia. Elements of a groundwater study Wolski P., Physics and Chemistry of the Earth, 1998, 2314 (479-484).
New carnivores from the basal Middle Miocene of Arrisdrift, Namibia Morales J., Pickford M., Soria D. & Fraile S., Eclogae Geologicae Helvetiae, 1998,91/l (27-40).
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