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Stable isotopes of oxygen and carbon compositions in the Neoproterozoic of So...
International audience -
La 3ième édition de la carte géologiques et des ressources minérales du Gabon
La 3ème édition de la Carte Géologique et des Ressources Minérales de la République gabonaise a été réalisée dans le cadre du projet " Constitution d'une base de... -
Synchronous BIF, HT metamorphism and granitic plutonism at ca. 2.8 Ga in Gabon
New field and geochronological data obtained in the course of a mapping project financed by the European Union (Sysmin Funds) and by the Gabonese Republic enable... -
Timing and characteristics of neoproterozoic magmatism in SW-Gabon
New field, petrographical, geochemical (major and trace element analyses) and geochronological (U/Pb zircon ages) data were obtained in the course of a mapping project... -
Stable isotopes of oxygen and carbon compositions in the Neoproterozoic of Gabon
Geologic evidence of tropical sea level glaciation in the Neoproterozoic remains a matter of debate in the Snowball Earth hypothesis. The Niari Tillite and the cap... -
Holocene geology of Central Africa
This dataset has no description
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Large colonial organisms with coordinated growth in oxygenated environments 2...
International audience -
African marriage, between tradition and modernity : a socio-anthropological s...
In Gabon, marriage is an institution which allows the union of two persons and two families. In legal terms, only the civil marriage has a legal value. But the... -
Morphologie et usages
International audience -
New constraints on the age and origin of the sandy to clayey surface cover ho...
Independently of their underlying basement, the superficial formations of Gabon display a constant organization, showing the superposition of two units: (i) a lower... -
Holocene geology of central Africa
N° Outcrop: B000101. A typical profile showing from the bottom to the top: * The altered basement (Paleoproterozoic paragneisses); * The Stone Line; * The Cover... -
Holocene geology of central Africa
N° Outcrop: B000101. Detailed view of the Stone Line. Note the presence of jasper fragments in the upper left part of the photograph. -
Holocene geology of central Africa
N° Outcrop: B000101. Detailed view showing a well-rounded quartz pebble (upper centre). -
Holocene geology of central Africa
N° Outcrop: B000101. Same comment as preceding. Four samples have been collected in the Cover Horizon on this outcrop (plastic bags). -
Holocene geology of central Africa
N° Outcrop: B000101. Detailed view showing jasper fragments. Note the angular to more or less rounded shape of the quartz fragments. -
Holocene geology of central Africa
N° Outcrop: B000101. View of the Stone Line showing jasper fragments and well-rounded quartz pebble at all levels of the profile. -
Holocene geology of central Africa
N° Outcrop: B000102. General view of the point where the Stone Line becomes thick and stratified. -
Holocene geology of central Africa
N° Outcrop: B000102. View of the thick and stratified Stone Line with a very large rounded block of quartz toward its base. -
Holocene geology of central Africa
N° Outcrop: B000102. Walking toward the top of the Stone Line. On the right, a gentle slope leads to the top of a low hill ~ 40 m above the Ogooué river. -
Holocene geology of central Africa
N° Outcrop: B000102. View of quartz blocks of all sizes (Stone Line surface) covering the hill to the north side of the road, about 40 m above the Ogooué river.
