TUNGSTEN ISOTOPES AND THE EARLY DEVELOPMENT OF THE EARTH AND MOON

dc.contributor.author	Halliday A.N.
dc.contributor.author	Lee D.C.
dc.date.accessioned	2021-01-12T11:16:06Z
dc.date.available	2021-01-12T11:16:06Z
dc.date.issued	1999
dc.identifier	https://elibrary.ru/item.asp?id=13853053
dc.identifier.citation	Geochimica et Cosmochimica Acta, 1999, , 23, 4157-4179
dc.identifier.issn	0016-7037
dc.identifier.uri	https://repository.geologyscience.ru/handle/123456789/22787
dc.description.abstract	The rates of accretion and core formation of the Earth and other inner solar system objects can be effectively studied using the newly developed 182Hf-182W chronometer. This approach offers far more leverage than any other short-lived nuclide system because: 1. the half-life of 9 Myrs is ideal for accretionary timescales; 2. both parent and daughter elements are highly refractory and in known, chondritic proportions in the Earth; 3. the initial 182Hf atomic abundance at the start of the solar system was relatively high; and 4. Hf and W are strongly fractionated by the early processes of melting and core formation.
dc.title	TUNGSTEN ISOTOPES AND THE EARLY DEVELOPMENT OF THE EARTH AND MOON
dc.type	Статья

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