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  1. Montserrat9

    21 Oct 2013 | Contributor(s): Elena Ramona Stefanescu

  2. Montserrat8

    21 Oct 2013 | Contributor(s): Elena Ramona Stefanescu

  3. Montserrat5

    21 Oct 2013 | Contributor(s): Elena Ramona Stefanescu

  4. Montserrat3

    21 Oct 2013 | Contributor(s): Elena Ramona Stefanescu

  5. Montserrat4

    21 Oct 2013 | Contributor(s): Elena Ramona Stefanescu

  6. Montserrat3

    21 Oct 2013 | Contributor(s): Elena Ramona Stefanescu

  7. Montserrat2

    21 Oct 2013 | Contributor(s): Elena Ramona Stefanescu

  8. Volcanological and Petrological study of Deccan magmatism in parts of Kachchh, Saurashtra and Mumbai - by Dr. Pooja Kshirsagar

    07 Oct 2013 | Contributor(s): Pooja Vinod Kshirsagar

    The presentation is an outcome of my Ph.D research work conducted on the lava flows and mafic volcanoclastic deposits of Northwestern Deccan Traps of India, at the Department of Earth Sciences, Indian Institute of Technology Bombay, India (2009-2013). It emphasize the importance of physical...

  9. Estimating Volcanic Risk in the Lesser Antilles

    26 Sep 2013 | Contributor(s): Michal Camejo, Richard E.A. Robertson

    The potential catastrophic effects of future volcanic eruptions in the Lesser Antilles can be decreased by the utilisation of effective risk quantification measures and their subsequent incorporation into disaster risk reduction strategies. A volcanic risk study conducted by the Norwegian...

  10. Physico-chemical and isotopic composition of some lakes and springs in the Bamenda Highlands, Northwest Cameroon

    19 Sep 2013 | Contributor(s): Mengnjo Jude Wirmvem, T Ohba, W Y Fantong, S N Ayonghe, J Y Suila, A N E Asaah, K Asai, G Tanyileke, J V Hell

    The Bamenda Highlands (6o12’N, 10 o24’E), Northwest Cameroon, is located mid-way along a chain of volcanoes (ca. 1600 km long) cutting diagonally across Cameroon called the Cameroon Volcanic Line (CVL). The area is characterized by volcanic lakes and springs. Information on the chemical...

  11. Physico-chemical and isotopic composition of some lakes and springs in the Bamenda Highlands, North West Cameroon

    19 Sep 2013 | Contributor(s): Mengnjo Jude Wirmvem

    The Bamenda Highlands (6o12’N, 10 o24’E), Northwest Cameroon, is located mid-way along a chain of volcanoes (ca. 1600 km long) cutting diagonally across Cameroon called the Cameroon Volcanic Line (CVL). The area is characterized by volcanic lakes and springs. Information on the chemical...

  12. Spherulites and thundereggs from pitchstones of the Deccan Traps: geology, petrochemistry, and emplacement environments

    18 Sep 2013 | Contributor(s): Pooja Vinod Kshirsagar

    Spherulites and thundereggs are rounded, typically spherical, polycrystalline objects found in glassy silicic rocks. Spherulites are dominantly made up of radiating microscopic fibers of alkali feldspar and a silica mineral (commonly quartz). They form due to heterogeneous nucleation in highly...

  13. Mafic alkalic magmatism in central Kachchh, India- a monogenetic volcanic field in the northwestern Deccan Traps

    18 Sep 2013 | Contributor(s): Pooja Vinod Kshirsagar, Badre Alam shaikh, Hetu Sheth

    Magmatism in Kachchh, in the northwestern Deccan continental flood basalt province, is represented not only by typical tholeiitic flows and dikes, but also plug-like bodies, in Mesozoic sandstone, of alkali basalt, basanite, melanephelinite and nephelinite, containing mantle nodules. They form...

  14. Specchio di Venere alkaline lake (Sicily, Italy): geochemical investigations based on gas and water compositions

    18 Sep 2013 | Contributor(s): Giovannella Pecoraino, S. Bellomo, W. D’Alessandro, L. Brusca, M. Longo

    The word “volcanic lake” is instinctively linked to a hot and acidic water body although alkaline lakes being not too rare. The abundant geogenic CO2 also contributes to weathering reactions within cold or thermal aquifers that release alkali and bicarbonate to groundwater. Such waters emerging...

  15. Global volcanic unrest in the 21st century: An analysis of the first decade

    16 Sep 2013 | Contributor(s): Jo Gottsmann, Rosa Sobradelo

    We define volcanic unrest as the deviation from the background or baseline behaviour of a volcano towards a behaviour which is a cause for concern in the short-term because it might prelude an eruption. When unrest is preceded by periods of quiescence over centuries or millennia it is...

  16. Communication Protocol Questionnaire

    13 Sep 2013 | Contributor(s): Joan Marti, Alicia Felpeto, Rosa Sobradelo, Carmen López

    This questionnaire seeks information about the communication protocols between the various participants in the management of a volcanic reactivation process scientists, decision makers, civil protection, ...) and the communication between them and the media and the public. It is directed...

  17. Olive

    0.0 out of 5 stars 

    23 Jul 2013 | *Tools | Contributor(s): Joaquin Alberto Cortes

    Olive 2.1.1 a simple fractional crystallization calculator.

  18. International Workshop for Volcanic Disaster Preparedness

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    08 Sep 2013 | Workshops | Contributor(s): Kyeong Park

    International Workshop for Volcanic Disaster Preparedness will be held in Jeju, Korea. When: November 03-05, 2013.This workshop will be hosted by Kwangwoon University and VDPRC.

  19. Photos of notes from September 4, 2013 meeting in Fairbanks

    0.0 out of 5 stars 

    05 Sep 2013 | Miscellaneous | Contributor(s): Peter W Webley

  20. September 5th notes from PWW

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    05 Sep 2013 | Miscellaneous | Contributor(s): Peter W Webley