Architecture of Eolian successions under icehouse and greenhouse conditions eurekalert.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from eurekalert.org Daily Mail and Mail on Sunday newspapers.
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Boulder, Colo., USA: The Geological Society of America s Northeastern Section will meet online on 14-15 March. The meeting s theme is Lithosphere, Hydrosphere, Anthroposphere, which reflects interrelated components of planet Earth. In particular, over the past several decades, we have become more aware of the impact of humans on the planet. Organizers intend for this meeting to be a venue to communicate not only our recent advances in understanding our planet but also the role of humans in transforming it.
The featured symposia are Stories in Stone: The Legacy of Jelle Zeilinga de Boer, and Magma Ascent to Magma Mingling, Volatility, and Volcanism: A Session in Honor of Sheila J. Seaman. Technical sessions cover a range of topics, including urban hydrology, technology-driven active learning, environmental quality and infrastructure, and private wells.
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Boulder, Colo., USA: In its large caldera, Newberry volcano (Oregon, USA) has two small volcanic lakes, one fed by volcanic geothermal fluids (Paulina Lake) and one by gases (East Lake). These popular fishing grounds are small windows into a large underlying reservoir of hydrothermal fluids, releasing carbon dioxide (CO2) and hydrogen sulfide (H2S) with minor mercury (Hg) and methane into East Lake.
What happens to all that CO2 after it enters the bottom waters of the lake, and how do these volcanic gases influence the lake ecosystem? Some lakes fed by volcanic CO2 have seen catastrophic CO2 degassing during lake overturn ( limnic eruptions ; e.g., Lake Nyos, Cameroon). Could East Lake be a simmering American lake Nyos ? East Lake went through a short gas alert in summer 2020, with strong H2S smells spreading over the caldera region.
Small volcanic lakes tapping giant underground reservoirs eurekalert.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from eurekalert.org Daily Mail and Mail on Sunday newspapers.
Geosphere,
posts articles online regularly. Topics for articles posted for
Geosphere this month include a tale of five enclaves ; evidence
for mantle and Moho in the Baltimore Mafic Complex (Maryland, USA); and the
after effects of the 1964 Mw 9.2 megathrust rupture, Alaska.
From Ordovician nascent to early Permian mature arc in the southern
Altaids: Insights from the Kalatage inlier in the Eastern Tianshan, NW
China
Qigui Mao; Jingbin Wang; Wenjiao Xiao; Brian F. Windley; Karel Schulmann
.
Abstract:
The Kalatage inlier in the Dananhu-Haerlik arc is one of the most important
arcs in the Eastern Tianshan, southern Altaids (or Central Asian orogenic