Geology
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Recent papers in Geology
The felsic lavas of the Bamenda Mountains, in the main part of the Cameroon Volcanic Line, are mainly represented by trachytes, with subordinated benmoreites and alkaline to peralkaline rhyolites. New K–Ar geochronological data define two... more
The Austral-Magallanes is an oil-producing basin located in southern Argentina and Chile, containing a siliciclastic stratigraphic record ranging from the Late Jurassic to Late Cenozoic. This short paper finalize the two special volumes... more
Este trabalho mostra os resultados do mapeamento geológico na escala de 1:50.000 da
área de Couto de Magalhães de Minas (~380 km2, Queiroz 2002) com ênfase na
caracterização dos diamictitos (tilitos) do Grupo Macaúbas (GrM).
área de Couto de Magalhães de Minas (~380 km2, Queiroz 2002) com ênfase na
caracterização dos diamictitos (tilitos) do Grupo Macaúbas (GrM).
Amfilochia Bay (Eastern Amvrakikos Gulf, Western Greece), a complex marine area affected by tectonism, was investigated for seabed seepage manifestations and for possible inter-relationships between shallow gas accumulations and hypoxia.... more
Wang, Y., Shih, C., Szwedo, J. & Ren, D. iFirst article. New fossil palaeontinids (Hemiptera, Cicadomorpha, Palaeontinidae) from the Middle Jurassic of Daohugou, China. Alcheringa, 1–12. ISSN 0311-5518.A new genus and species assigned to... more
Considerably long periods of time are required to measure soil-water characteristic curves using conventional equipment such as pressure plate apparatus or a Tempe cell. A commercially available, small-scale medical centrifuge with a... more
Deposits from the Minoan Santorini (Thera) eruption in the eastern Mediterranean region constitute the most important regional stratigraphic marker in the chronological perplexity of the 2nd millennium BCE. Extensive tsunami depos- its... more
An integrated study involving sedimentology, mineral chemistry and spectroscopy highlights a distinctive compositional evolution of Cretaceous glauconite within the Ukra Hill Member. Glauconite occurs at the top part of transgressive... more
The trip starts at the Beale Library parking lot at Truxtun and Q Streets in Bakersfield, California. From the parking lot the tour will proceed east onto Truxtun Avenue, south on Union Avenue, west on State Highway 58 Freeway, south on... more
Twenty years of continuous Earth observation by satellite SAR have resulted in numerous new insights into active volcanism, including a better understanding of subsurface magma storage and transport, deposition of volcanic materials on... more