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geochemistry & geophysics (84) 84
radiogenic helium (70) 70
geochemistry (59) 59
noble-gases (43) 43
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geosciences, multidisciplinary (31) 31
helium (31) 31
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composition of the mantle (12) 12
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sciences of the universe (10) 10
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[ sdu.stu.gc ] sciences of the universe [physics]/earth sciences/geochemistry (5) 5
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Bulletin Volcanologique, ISSN 0366-483X, 12/1963, Volume 26, Issue 1, pp. 247 - 258
Journal Article
Journal of Geophysical Research, ISSN 0148-0227, 05/1969, Volume 74, Issue 10, pp. 2711 - 2716
The amounts of excess fissiogenic xenon (Xe136f) and excess radiogenic xenon (Xe129r) in the chondrites Beardsley and Holbrook have been measured to be Xe136f... 
Journal Article
1970, Classics of science, v. 6, ISBN 9780486625072, xiii, 261
Book
1971, 1st ed., ISBN 0080161529, Volume section 78., 2 v. (xviii, 962 p.)
Book
1987, ISBN 0387165959, viii, 165
Book
1990, Practical approach series., ISBN 0199630801, xx, 307
Book
GEOKHIMIYA, ISSN 0016-7525, 05/1991, Issue 5, pp. 652 - 666
Analysis of helium distributions in the formational gases of the North-American continent has been carried out taking into account possible influence of... 
ISOTOPES | GEOCHEMISTRY & GEOPHYSICS | HE-4 | HE-3/HE-4 RATIOS | NATURAL GASES | BASIN | FLUX | RADIOGENIC HELIUM | GROUNDWATER
Journal Article
Tectonophysics, ISSN 0040-1951, 1992, Volume 206, Issue 1, pp. 71 - 78
The isotopic composition of helium has been determined for a variety of groundwaters from springs and boreholes in the Alps and adjacent regions. The main... 
GASES | GEOCHEMISTRY & GEOPHYSICS | RADIOGENIC HELIUM | VOLATILE FLUXES | MANTLE | CONTINENTAL-CRUST
Journal Article
Chemical Geology, ISSN 0009-2541, 1993, Volume 106, Issue 3, pp. 429 - 440
The abundance and isotopic composition of He, Ne and Ar have been determined in 19 gas samples taken from the Dosso degli Angeli hydrocarbon gas field, between... 
GEOCHEMISTRY & GEOPHYSICS | NOBLE-GASES | HABITAT | RADIOGENIC HELIUM | ACCUMULATION | GEOCHEMISTRY | WATER
Journal Article
Geochimica et Cosmochimica Acta, ISSN 0016-7037, 1994, Volume 58, Issue 20, pp. 4333 - 4348
The Palfris marl of the Helvetic Alpine Nappes contains four distinct vein fill generations. CH 4-rich gas is found in abundant fluid inclusions within these... 
GEOCHEMISTRY & GEOPHYSICS | NOBLE-GASES | NEON | CARBON | NATURAL GASES | BASIN | METAMORPHISM | RADIOGENIC HELIUM | ACCUMULATION | GROUNDWATER | MANTLE
Journal Article
GEOCHIMICA ET COSMOCHIMICA ACTA, ISSN 0016-7037, 05/1996, Volume 60, Issue 9, pp. 1497 - 1514
To address the problems related to the transfer of helium and argon isotopes from rocks into related aquifers, the concentrations of U, Th, Li, and K and... 
GEOCHEMISTRY & GEOPHYSICS | NOBLE-GASES | CRUSTAL | AUSTRALIA | HE-3 | BASALT MELT | JUVENILE HELIUM | GREAT ARTESIAN BASIN | RADIOGENIC HELIUM | ANCIENT ROCKS | ACCUMULATION
Journal Article
APPLIED GEOCHEMISTRY, ISSN 0883-2927, 01/1997, Volume 12, Issue 1, pp. 1 - 8
The diffusion coefficient (D) of He in the Carnmenellis granite, recovered from the Rosemanowes hot dry rock (HDR) geothermal reservoir, is experimentally... 
GEOCHEMISTRY & GEOPHYSICS | ROCK | DISEQUILIBRIUM | K GC GEOCHEMISTRY & GEOPHYSICS | RADIOGENIC HELIUM
Journal Article
Applied Geochemistry, ISSN 0883-2927, 1997, Volume 12, Issue 6, pp. 727 - 738
The use of radionuclides as clocks for groundwater dating and as probes to investigate the geometry and spatial extent of the contact area between rocks and... 
GASES | SWEDEN | GEOCHEMISTRY & GEOPHYSICS | CANADA | CL-36 | SANDSTONE | STRIPA GRANITE | MILK RIVER AQUIFER | ALBERTA | RADIOGENIC HELIUM | ENGLAND
Journal Article
EARTH AND PLANETARY SCIENCE LETTERS, ISSN 0012-821X, 11/1997, Volume 152, Issue 1-4, pp. 233 - 249
He and Ne isotope data from 48 mantle-rich well gases (He-3/He-4 > 0.1R(a)) in 6 different regions of crustal extension around the world are used to derive... 
NOBLE-GASES | degassing | ULTRAMAFIC XENOLITHS | FLOOD BASALTS | crust | ARGON | GEOCHEMISTRY & GEOPHYSICS | NEON | isotopes | SYSTEMATICS | noble gases | mantle | BASIN | rifting | RADIOGENIC HELIUM | GROUNDWATER
Journal Article
Annual Review of Earth and Planetary Sciences, ISSN 0084-6597, 05/1998, Volume 26, Issue 1, pp. 189 - 218
Journal Article
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