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northern Upper Volta

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Journal Article
Journal: Economic Geology
Published: 01 February 1980
Economic Geology (1980) 75 (1): 62-70.
... through the underlying sequence of detrital rocks and eventually into the basement.The late Precambrian phosphate deposits of the northern Volta basin have many similarities with those of Upper Sinian and Lower Cambrian age of the Chinese platform and of the southern Siberia . All these deposits...
Journal Article
Published: 01 December 1980
Journal of the Geological Society (1980) 137 (6): 787-792.
.... Geol 1979 32 1 2 91 105 Trompette R. Affaton P. Joulia F. Marchand I. Stratigraphic and structural controls of late Precambrian phosphate deposits of the northern Volta Basin in Upper Volta, Niger and Benin, West Africa Econ. Geol 1980 75 62 70 ...
Journal Article
Published: 25 June 2019
Mineralogical Magazine (2019) 83 (4): 595-606.
... photomicrograph showing the commonly observed relationships between apatite and the most common minerals (quartz, amphibole, plagioclase, muscovite and spodumene) found in the pegmatite body A of the Volta Grande mine. Upper and lower images are non-polarised and polarised light, respectively. Abbreviations...
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Journal Article
Published: 01 October 2012
Italian Journal of Geosciences (2012) 131 (3): 448-458.
...., the surface deformation related to the “blind” San Gregorio normal fault. Indeed, CO 2 and CH 4 flux maximum anomalies were aligned along the Northern sector of the San Gregorio fault, in the Bazzano industrial area as well as at the border of the studied area (Fossa antitethic fault crossing an anti...
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Journal Article
Published: 01 November 2009
Seismological Research Letters (2009) 80 (6): 940-950.
... catalog ( CPTI Working Group 2004 ) occurred on 9 September 1349 ( Mw 6.5) and 2 February 1703 ( Mw 6.7). While the origin of the former is still debated with regard to its source, the latter event was associated with the upper Aterno Valley fault system (UAVFS; Figure 1 ), an ensemble of 7-to-10-km...
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Journal Article
Published: 01 January 1962
Bulletin de la Société Géologique de France (1962) S7-IV (5): 657-665.
... facies of the lower Stampian. Other formations, attributed to Stampian and Chattian are now assigned to the Aquitanian. Further stratigraphic revision places the transgression onto the Volta group between the lower and upper Stampian, while further to the west, transgression onto the northern slopes...
Journal Article
Published: 01 February 2008
European Journal of Mineralogy (2008) 20 (1): 73-94.
... o Eaux vertes , venne descritto per la prima volta da vice balivo Joseph Rambert nel 1749. Circa cinquanta anni dopo, Horace-Bénedict de Saussure, il grande precursore della geologia alpina, fornì la prima analisi chimica del precipitato nel suo Voyages dans les Alpes (1796). In questo articolo...
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Journal Article
Published: 01 May 2007
Vadose Zone Journal (2007) 6 (2): 423-431.
...). The soils found in the Volta basin of Ghana are predominantly of Lixisols, Leptosols, Plinthosols, Acrisols, and Luvisols ( SRI, 1999 ). The soils formed from the Voltaian sediments vary widely in terms of soil properties ( Agyare, 2004 ). The Tamale site in northern Ghana has a tropical continental...
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Journal Article
Published: 12 September 2017
Journal of Paleontology (2017) 91 (6): 1178-1198.
...Setareh Shahkarami; M. Gabriela Mángano; Luis A. Buatois Abstract Strata in the Central Alborz Mountains, northern Iran, are interpreted to show continuous sedimentation from Ediacaran through Cambrian times. The Soltanieh Formation consists of five members: Lower Dolomite, Lower Shale, Middle...
Journal Article
Journal: AAPG Bulletin
Published: 01 December 1983
AAPG Bulletin (1983) 67 (12): 2239-2254.
...) Mixed gases (δ 13 C CH4 : –60 to –50 ppt, δD CH4 : –180 to –200 ppt, C 2+ : 0.2 to 5%, which are predominantly in reservoirs of Messinian (upper Miocene) age, but also in a few places in older and younger reservoirs. (3) Thermogenic gases (δ 13 C: –50 ppt, δD: –200 to –150 ppt, C 2+ : 5%), which...
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Journal Article
Journal: Palynology
Published: 03 April 2018
Palynology (2018) 42 (2): 220-254.
...; Klein 1992 ; Schopf 2009 ). This taxonomic approach is to incorporate new information as much as possible into previous designations and to sustain valid taxa instead of replacing them with new taxonomic names (‘old fossils with new names’). The upper formation (VG-3) consists of alternating...
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Journal Article
Journal: AAPG Bulletin
Published: 01 July 1945
AAPG Bulletin (1945) 29 (7): 956-1007.
...Paul P. Goudkoff ABSTRACT The paper deals with the Upper Cretaceous beds of the Sacramento and San Joaquin valleys between the latitude of Redding on the north and the latitude of Lost Hills on the south. On the basis of foraminiferal study of a number of surface sections and of core samples...
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Journal Article
Published: 01 February 2009
Geochemistry: Exploration, Environment, Analysis (2009) 9 (1): 63-69.
...Emmanuel Arhin; Prosper M. Nude Abstract ABSTRACT The complex regolith in the savanna belts of northern Ghana is believed to be a major cause of the failure of gold exploration in the area. The present study highlights the integration of field regolith mapping, pitting and trenching...
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Journal Article
Published: 01 February 2010
Italian Journal of Geosciences (2010) 129 (1): 74-90.
...-Castell’Azzara area), during the building of the Northern Apennines. Such a thrust (hereafter the Monte Penna thrust, MPT) is documented, in this area, for the first time. The integration of fieldwork with mine data from two different cinnabar/stibnite mines helped us to better define the thrust geometrical...
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Journal Article
Published: 01 January 2003
Journal of Paleontology (2003) 77 (1): 50-63.
... Island, Washington; and upper Campanian to lower Maastrichtian strata in northern Baja California, Mexico. 25 02 2002 The Paleontological Society 2003 Late cretaceous, shallow-marine gastropod faunas from the Pacific slope of North America remain understudied, and this paper helps...
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Journal Article
Published: 09 July 2018
Geological Magazine (2019) 156 (7): 1157-1174.
... sediments which have been deposited during this time interval can also provide a reliable insight into the palaeogeography of the northern margin of Gondwana. Our new provenance data on the upper Ediacaran – lower Cambrian Soltanieh Formation implies that the LSM and USM mudrocks have an immature character...
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Journal Article
Journal: AAPG Bulletin
Published: 01 April 1944
AAPG Bulletin (1944) 28 (4): 449-521.
... that it belongs to the Paskenta stage of the Lower Cretaceous; the Horsetown stage does not appear to be represented. The Marmolejo formation was strongly deformed and largely removed, as a result of the mid-Cretaceous disturbance, before the deposition of the Upper Cretaceous. Long continued erosion appears...
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Journal Article
Published: 01 January 2015
Journal of the Geological Society (2015) 172 (1): 45-61.
... al . 2006 ). The uppermost structural position is occupied by the Upper Allochthon and represents a partially imbricated and subsequently obducted Cambro-Ordovician ensialic arc, originally detached from northern Gondwana during the opening of the Rheic Ocean ( Marques et al . 1996 ; Abati et...
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Journal Article
Journal: GSA Bulletin
Published: 01 May 2017
GSA Bulletin (2017) 129 (5-6): 534-546.
... in central Sudan (up to 5.8 mm/yr; Edmunds et al., 1988 ). The estimated recharge rate should be considered as an upper limit, given that no corrections were applied to account for impoundment of water by the recently erected dams, such as the Merowe Dam, which was constructed in 2009 in northern Sudan...
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Journal Article
Journal: Geosphere
Published: 01 February 2009
Geosphere (2009) 5 (1): 23-50.
... of this was reworked to varying degrees during Pan-African (ca. 650–500 Ma) time. Very little crust and upper SCLM appears to be juvenile Tecton, with the exception of parts of the Arabian-Nubian Shield and some of the rift zones across northern Africa. Significantly, many areas interpreted as juvenile Proton...
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