1992
DOI: 10.1016/0016-7037(92)90105-r
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Mapping magma sources in the east Sunda-Banda arcs, Indonesia: Constraints from helium isotopes

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Cited by 115 publications
(62 citation statements)
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“…The lowest 3 He/ 4 He values (0.7^3.4 R A ) are found in water spring samples, and point to a signi¢cant radiogenic He contribution. Based on prior arguments against He being subducted into the mantle [24], the presence of radiogenic He likely re£ects contamination processes in the uppermost crust (see also Section 5.1). The bubbling hot spring and geothermal well samples show varying degrees of crustal interaction with 3 He/ 4 He ratios ranging from 2 R A to MORB-like values.…”
Section: Resultsmentioning
confidence: 99%
“…The lowest 3 He/ 4 He values (0.7^3.4 R A ) are found in water spring samples, and point to a signi¢cant radiogenic He contribution. Based on prior arguments against He being subducted into the mantle [24], the presence of radiogenic He likely re£ects contamination processes in the uppermost crust (see also Section 5.1). The bubbling hot spring and geothermal well samples show varying degrees of crustal interaction with 3 He/ 4 He ratios ranging from 2 R A to MORB-like values.…”
Section: Resultsmentioning
confidence: 99%
“…Samples were crushed by a magnetic piston (500 strokes) operated by computer-con trolled external solenoids. (Hilton et al, 1992). Typical blanks were 2.5-5 x 10-15 mol 4He and 2-4 x 10-14 mol 40Ar with atmospheric ratios for the latter .…”
Section: Geological Setting and Samplesmentioning
confidence: 97%
“…Elburg et al 2002) and possibly of blocks of extended continental crust close to the continent-ocean transition (e.g. Hilton et al 1992).…”
Section: C Recycling Of Laurentian Continental Materials In Arc Magmentioning
confidence: 99%