A possible in situ 3H and 3He source in Earth’s interior: an alternative explanation of origin of 3He in deep Earth

Autor:	Songsheng Jiang, Ming He, Jing Liu
Rok vydání:	2010
Předmět:	geography geography.geographical_feature_category Turkey Earth Planet Origin of water on Earth Geology Volcanic Eruptions General Medicine Helium Mantle (geology) Astrobiology Paleontology Volcano Germany France Evolution Planetary Ecology Evolution Behavior and Systematics Hydrogen
Zdroj:	Naturwissenschaften. 97:655-662
ISSN:	1432-1904 0028-1042
DOI:	10.1007/s00114-010-0681-z
Popis:	Origin of (3)He in the Earth is a mystery. Lacking a production mechanism, scientists assume (3)He was trapped in the Earth, when the Earth was formed. In contrast to this assumption, we have found (3)He and (3)H concentrations in excess of the atmospheric values in the deep waters of the volcanic Lakes Pavin (France), Laacher (Germany) and Nemrut (Turkey). This paper reports the result of finding (3)H in these three volcanic lakes that appear to originate from the mantle. Because (3)H has a half-life of 12.3 years, this (3)H and the resulting (3)He must have formed recently in the mantle and not be part of a primordial reservoir. The nuclear reactions that generate tritium might be a source of "missing" energy in the interior of the Earth.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e58079a907baea4028855ba77dc3cd7a https://doi.org/10.1007/s00114-010-0681-z Zobrazit plný text záznamu Full text from SpringerLink