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Use of immobile trace elements for the correlation of Telychian bentonites on Saaremaa Island,Estonia,and mapping of volcanic ash clouds
bentonites K-bentonites Telychian correlation isopach schemes East Baltic
2009/10/21
Thirty suspected altered volcanic ash (bentonite) samples from the Nässumaa-825 and Orissaare-859 sections were analysed by the X-ray fluorescence method. Twenty of these samples revealed chemica...
Discovery of the Ordovician Kinnekulle K-bentonite at the Põõsaspea cliff,NW Estonia
Kinnekulle K-bentonite metabentonite Ordovician Keila Stage Baltoscandia
2009/10/21
A previously unknown outcrop of the Kinnekulle K-bentonite (metabentonite) is reported from the Põõsaspea cliff, NW Estonia. The bed has a sharp lower and a gradational upper contact and...
研究揭开智利柴藤火山迅猛爆发原因（图）
智利 柴藤火山
2009/10/14
据美国媒体报道，2008年5月2日，柴滕火山突然活动加剧，喷发出大量气体和火山石，与此同时开始喷射岩浆。火山爆发还引发了地震，周围的居民被紧急疏散。最近科学家通过研究揭开了柴藤火山爆发如此迅猛的原因。
研究称气候变化可能加剧火山活动
气候变化 火山活动
2009/9/21
据英国《自然》杂志网站2009年9月18日报道，日前在英国伦敦大学学院举行的一个有关火山研究的国际研讨会上，部分与会研究人员指出，火山顶部的冰层融化可能导致更多火山爆发。历史上就有这种先例。大约1．1万年前，地球经历了一段气候变暖、冰川消融的时期。科研证据显示，当时冰岛一带火山活动大大增加，并且从气候变化到火山活动增加之间的反应时间并不长。
NASA公布火星宽达800米维多利亚火山口照片（图）
NASA 维多利亚火山口
2009/8/14
2009年8月12日消息，美国宇航局（NASA）公布了其火星探测器在7月18日拍摄到的火星火山口照片。这张使用了高清晰度成像科学实验照像机拍摄的照片，显示了位于火星子午高原地区宽达800米的维多利亚火山口。
俄罗斯火山爆发导致英国出现深红色天空（图）
俄罗斯 火山爆发 英国
2009/7/16
据英国《每日邮报》7月13日报道，英国本周夜晚的天空笼罩在深红色的阴影中，这是前不久俄罗斯一次火山爆发的辐射尘埃所致。
Geotectonic Setting and Origin of the Youngest Kula Volcanics (Western Anatolia), with a New Emplacement Model
western Anatolia extensional tectonics Kula volcanics geochemistry
2009/7/7
The Quaternary Kula volcanics are Na-dominant in character while all the older volcanic rocks of western Anatolia are generally definitive K-dominant rocks. As a unique example in western Anatolia, th...
Stratigraphy of the Volcanic Products Around Nemrut Caldera: Implications for Reconstruction of the Caldera Formation
Nemrut caldera ignimbrite pyroclastics East Anatolia volcanism
2009/7/7
The volcanological development of the Nemrut stratovolcano, located near the southwestern tip of Lake Van in eastern Turkey, is subdivided into three stages: pre-caldera, post-caldera and late stages....
Stratigraphy and Geochemical Features of the Early Miocene Bimodal (Ultrapotassic and Calc-alkaline) Volcanic Activity Within the NE-trending Selendi Basin, Western Anatolia, Turkey
Western Anatolia lamproite ultrapotassic volcanism bimodal volcanism continental extension
2009/7/7
Western Anatolia has experienced thickening and orogenic collapse subsequent to the Eocene continent-arc collision. The early stage of the post-collisional volcanism in the region was thought to have...
Timing of the Quaternary Elazığ Volcanism, Eastern Turkey, and its Significance for Constraining Landscape Evolution and Surface Uplift
Turkey Anatolia Miocene Pliocene Pleistocene volcanism Ar-Ar dating
2009/7/7
The eastern part of the Anatolian plateau in eastern Turkey has experienced dramatic landscape evolution in the Late Cenozoic, surface uplift having been associated with the disruption of former lake ...
Geochemical Characteristics of Mafic and Intermediate Volcanic Rocks from the Hasandağ and Erciyes Volcanoes (Central Anatolia, Turkey)
Central Anatolia collision volcanism lithospheric delamination Turkey
2009/7/7
Hasandağ and Erciyes stratovolcanoes, which are the two important stratovolcanoes in Central Anatolia, erupted volcanic products with both calc-alkaline and alkaline compositions, although the c...
科学家观测到水下海底火山爆发场景 似晴天霹雳（图）
水下海底 火山爆发
2009/7/1
据美国媒体报道，海底火山爆发十分频繁，但是很少有人能够亲眼目睹海底火山爆发的奇观。上个月，一个美国火山专家小组赶往南太平洋海域观测到了奇特的海底火山爆发。
宇航员太空拍下火山爆发冲击波（图）
宇航员 火山爆发冲击波
2009/6/25
据国外媒体报道，近日宇航员从太空拍摄下地球上一座火山爆发的照片。由火山灰和水蒸汽形成的巨大柱体，形成的冲击波直冲云霄，蔚为壮观。
MIT team solves longstanding volcanic mystery
MIT team volcanic mystery the thermal structure
2009/6/8
For decades, geologists have been puzzled by the mechanisms that give rise to the kind of volcanoes that form the so-called "ring of fire" around the Pacific Ocean. These arc volcanoes, which account ...
美科学家在圣海伦斯火山装侦测器掌握“内部动态”
美科学家 圣海伦斯火山 侦测器
2009/5/21
美国华盛顿州圣海伦斯火山1980年爆发，创下美国史上死亡惨重的火山爆发纪录。在事发29周年之际，科学家在山上安装最新侦测器，掌握火山“内部动态”。