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A study by Brown researchers finds that changes in tectonic plate thickness across the Denali Fault in Alaska impacts where it is located, shedding light on how major faults and earthquakes occur.
Eruption of Alaska's Okmok volcano linked to period of extreme cold in ancient Rome（图）
Eruption Alaska Okmok volcano linked period extreme cold ancient Rome
2020/7/10
An international team of scientists has found evidence connecting an unexplained period of extreme cold in ancient Rome with an unlikely source: a massive eruption of Alaska's Okmok volcano, located o...
Eruption of Alaska's Okmok volcano linked to period of extreme cold in ancient Rome（图）
Eruption Alaska Okmok volcano linked period extreme cold ancient Rome
2020/7/3
An international team of scientists has found evidence connecting an unexplained period of extreme cold in ancient Rome with an unlikely source: a massive eruption of Alaska's Okmok volcano, located o...
Study of northern Alaska could rewrite Arctic history（图）
northern Alaska Arctic history mineral wealth economic development
2019/10/30
Parts of Alaska's mountainous Brooks Range were likely transported there from Greenland and a stretch of the Canadian Arctic much farther to the east, according to a series of studies detailing more t...
Expedition to the Aleutian Islands:Geoscientists head to remote Alaska volcanoes
the Aleutian Islands Geoscientists head Alaska volcanoes
2015/8/13
This is the 11th part in a series on NSF's geosciences risk and resilience interest area. Please see parts one, two, three,four, five, six, seven, eight, nine...
期刊信息
篇名
Geochemistry of Rare-earth Elements and its Significance in the Study of Climatic and Envirnonmental Change in Barrow, Arctic Alaska.
语种
英文
撰写或编译
撰写
作者
Yang Weili,,et al.
第一作者单位
中国科学院地理科学与资源研究...
Mineral Assemblages of Volcanic and Detrital Partings in Tertiary Coal Beds, Kenai Peninsula, Alaska
Chlorite Coal partings Crandallite Illite Kaolinite Opal-CT Smectite Volcanic ash
2011/11/30
Abstract: Volcanic and non-volcanic partings are exposed in coal beds of the Tertiary Beluga and Sterling Formations along the shores of the Kenai lowland, Alaska. About two-thirds of the partings ori...
Natural Ammonium Illites from Black Shales Hosting a Stratiform Base Metal Deposit, DeLong Mountains, Northern Alaska
Ammonium Black shale Illite Infrared spectroscopy Nitrogen X-ray powder diffraction
2012/2/7
Naturally occurring ammonium illites have been discovered in black shales surrounding a stratiform base metal deposit in the DeLong Mountains, northern Alaska. Infrared spectra of the samples exhibit ...
ORIGIN OF THE ULTRAMAFIC COMPLEX AT DUKE ISLAND, SOUTHEASTERN ALASKA
THE ULTRAMAFIC COMPLEX DUKE ISLAND SOUTHEASTERN ALASKA
2014/4/8
The Duke Island ultramafic complex crops out in two areas that total 9 square miles. Rocks within the complex are comprised of olivine, clinopyroxene, hornblende and ferriferous oxides and are classif...