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pro vyhledávání: '"Walter R. Eckelmann"'
Autor:
Walter R. Eckelmann
Publikováno v:
Nuclear Radiation in Geophysics / Kernstrahlung in der Geophysik ISBN: 9783642490460
Zur Altersbestimmung auf radioaktiver Grundlage kommen vorwiegend die vier folgenden Methoden zur Anwendung: Kalium-Argon-Methode, Rubidium- Strontium-Methode, Uran-Blei-Methode und Kohlenstoff 14-Methode. — Der Artikel gibt einen Uberblick uber Gr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9c531da47b5f44ecd9141fc199b02e1e
https://doi.org/10.1007/978-3-642-92837-6_4
https://doi.org/10.1007/978-3-642-92837-6_4
Publikováno v:
Science (New York, N.Y.). 148(3667)
Samples of marine plankton collected in high-latitude areas of the South Atlantic where surface water temperatures are near 0 degrees C show a carbon-12 enrichment of 6 per mill relative to samples collected where temperatures are about 25 degrees C.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::99d294b9e0d739ae5b04bb9721bea738
https://pubmed.ncbi.nlm.nih.gov/17780086
https://pubmed.ncbi.nlm.nih.gov/17780086
Publikováno v:
AAPG Bulletin. 46
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ee6ba324c861235a3e0fec95b31dca6c
https://doi.org/10.1306/bc74385b-16be-11d7-8645000102c1865d
https://doi.org/10.1306/bc74385b-16be-11d7-8645000102c1865d
Autor:
J. Laurence Kulp, Walter R Eckelmann
Publikováno v:
Geological Society of America Bulletin. 67:35
A suite of samples of pitchblende, clausthalite, and galena from various mines in the Lake Athabasca uranium province was subjected to isotopic and chemical analyses as well as radon-leakage measurements in order to obtain apparent ages from the isot
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::08ee61e279194bf50b6a5ef6cdbe9076
https://doi.org/10.1130/0016-7606(1956)67[35:umoad]2.0.co
https://doi.org/10.1130/0016-7606(1956)67[35:umoad]2.0.co