Results 41 to 50 of about 3,985 (225)

“Antarctic on fire”: Paleo-wildfire events associated with volcanic deposits in the Antarctic Peninsula during the Late Cretaceous

Frontiers in Earth Science, 2023
The occurrence of paleo-wildfire events during the Campanian age of the Late Cretaceous is demonstrated in this study for the first time with deposits from the King George Island, South Shetland Islands, Antarctic Peninsula.
Joseline Manfroi, Joseline Manfroi, Joseline Manfroi, Cristine Trevisan, Tânia Lindner Dutra, André Jasper, Marcelo De Araujo Carvalho, Francisco Eliseu Aquino, Marcelo Leppe   +8 more
doaj   +1 more source

Geochemistry and Geochronology of Magmatic Rocks in Southwestern and Northeastern Cambodia: Implications for the Tectonic Evolution and Metallogenesis of the Loei Fold Belt

Geological Journal, EarlyView.
The composition of intrusive rocks suggests that the magma was likely generated in a subduction‐related setting. The arc crustal thickness in the Phnom Sro Ngam and Halo Prospects was probably < 40 km during emplacement. Zircon U–Pb age range indicates a correlation with Loei Fold Belt magmatic activity.
Sirisokha Seang, Khin Zaw, Kakda Kret, Ivan Belousov, Kotaro Yonezu, Koichiro Watanabe, Charles Makoundi   +6 more
wiley   +1 more source

Identification and correlation of the Aso‐3 tephra in the Omaezaki area, central Japan: A valuable key stratum for the MIS 6/5 transition period

Journal of Quaternary Science, EarlyView.
ABSTRACT The Aso‐3 tephra is one of the most significant widespread marker layers from the Middle to Late Pleistocene, generated by a large caldera‐forming eruption at the Aso volcano in Kyushu, southwestern Japan. Despite its importance, a distal co‐ignimbrite ash correlative has yet to be clearly identified, primarily because although volcanic glass ...
Toshinori Sasaki, Takuya Morimoto, Tatsuyuki Ueno, Kazuo Mizoguchi, Norihisa Goto, Hisanori Ominami, Shohei Onaka   +6 more
wiley   +1 more source

Influences of hydrological and hydrogeological conditions on debris flows in peri-vesuvian hillslopes [PDF]

Natural Hazards and Earth System Sciences, 2002
The paper illustrates some results of research carried out to assess factors triggering debris flows which involve the pyroclastic overburdens covering carbonate mountains around Vesuvius.
P. De Vita, V. Piscopo
doaj  

Isolation, Insularity and Resilience: A Review of the Geophysical, Socioeconomic, and Environmental Vulnerabilities of Gran Canaria and Lesvos Islands for Policy Interventions to Global Change

Sustainable Development, EarlyView.
ABSTRACT The dynamic nature of small islands being geographically isolated and their perceived connectedness with global networks complicates research attempts to draw general conclusions on whether insularity leads to marginalization or strengthens their resilience for sustainable development.
Toheeb Lekan Jolaosho, Mazen Marouani, Takwa Boughanmi   +2 more
wiley   +1 more source

Pyroclastic flow dynamics and hazard in a caldera setting: Application to phlegrean Fields (Italy)

, 2006
Numerical simulation of pyroclastic density currents has developed significantly in recent years and is increasingly applied to volcanological research. Results from physical modeling are commonly taken into account in volcanic hazard assessment and in
P. PAPALE, Paolo Papale, Esposti Ongaro, T., M. TODESCO, Rosi, M., ROSI, MAURO, Tomaso Esposti Ongaro, T. ESPOSTI ONGARO, Todesco, M., A. NERI, Neri, A., Augusto Neri, Mauro Rosi, Papale, P., Micol Todesco   +14 more
core   +1 more source

Vibration-induced dynamical weakening of pyroclastic flows: Insights from rotating drum experiments [PDF]

, 2015
Pyroclastic flows are characterized by their high mobility, which is often attributed to gas fluidization of the usually fine and/or low-density particles.
Soria del Hoyo, Carlos, Valverde Millán, José Manuel, Carlos Soria‐Hoyo, Jose Manuel Valverde   +3 more
core   +1 more source

Volcanic Stratigraphy and Potential Hazards of the Chihsingshan Volcano Subgroup in the Tatun Volcano Group, Northern Taiwan

Terrestrial, Atmospheric and Oceanic Sciences, 2010
The Chihsingshan Volcano Subgroup (CVSG) is one of the most important landforms located within the Tatun Volcano Group in northern Taiwan. Based on a Digital Terrain Model, contour maps and field investigations, the CVSG can be divided into four types of
Yu-Wei Tsai, Sheng-Rong Song, Huei-Fen Chen, Shu-Fen Li, Ching-Hua Lo, Wei Lo, Shuhjong Tsao   +6 more
doaj   +1 more source

The Material Basis of 18th‐Century Meissen Porcelain

Archaeometry, EarlyView.
ABSTRACT In the summer of 1708, the quest for making hard‐paste porcelain from Saxonian clay and other mineral resources succeeded. This was achieved by applying as its essential ingredient newly discovered pure kaolin from Heidelsberg near Aue, western Saxon Ore Mountains.
Robert B. Heimann
wiley   +1 more source

Quand l’aléa devient la ressource : l’activité d’extraction des matériaux volcaniques autour du volcan Merapi (Indonésie) dans la compréhension des risques locaux

Cybergeo, 2011
The valleys of the Merapi volcano are regularly filled with thick pyroclastic and volcaniclastic deposits, characterised by a large grain-size distribution, from fine ash to boulders.
Édouard de Bélizal, Franck Lavigne, Delphine Grancher   +2 more
doaj   +1 more source