Editor’s note: how and where does continental crust form?
نویسندگان
چکیده
منابع مشابه
Editors note
EDITOR’S NOTE Geopersia is published biannually by the College of Science, University of Tehran, Iran. The College of Science published “Journal of Science”, which covered all fields of basic science, from 1968 to 2010. It was then decided that the College’s journals should be more specialized, and hence publication of Geopersia was launched. Geopersia aims to publish peer-reviewed original...
متن کاملContinental crust beneath southeast Iceland.
The magmatic activity (0-16 Ma) in Iceland is linked to a deep mantle plume that has been active for the past 62 My. Icelandic and northeast Atlantic basalts contain variable proportions of two enriched components, interpreted as recycled oceanic crust supplied by the plume, and subcontinental lithospheric mantle derived from the nearby continental margins. A restricted area in southeast Icelan...
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The continental crust is 41.4 km thick on average and covers 39% of the Earth’s surface. Information from the isotopic and trace element composition of >4-billion-yearold (Ga) zircon grains and the evolution of mantle isotopic reservoirs indicates that 75%, and possibly more, of the continental crust was created before 2.5 Ga (Harrison 2009; Belousova et al. 2010). Thus, the continental crust i...
متن کاملeditors note
editor’s note geopersia is published biannually by the college of science, university of tehran, iran. the college of science published “journal of science”, which covered all fields of basic science, from 1968 to 2010. it was then decided that the college’s journals should be more specialized, and hence publication of geopersia was launched. geopersia aims to publish peer-reviewed original res...
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Moral psychology has long focused on reasoning, but recent evidence suggests that moral judgment is more a matter of emotion and affective intuition than deliberate reasoning. Here we discuss recent findings in psychology and cognitive neuroscience, including several studies that specifically investigate moral judgment. These findings indicate the importance of affect, although they allow that ...
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ژورنال
عنوان ژورنال: Science Bulletin
سال: 2015
ISSN: 2095-9273
DOI: 10.1007/s11434-015-0827-7