ライフサイエンスコーパス: MORB

コーパス検索結果 (left1)

通し番号をクリックするとPubMedの該当ページを表示します

1 MORBs generally exhibit a relatively low and narrow rang

2 MORBs vary in their abundances of incompatible elements

3 r the formation of the Solar System, OIB and MORB mantle sources must have differentiated by 4.45 bil

4 opic compositions of abyssal peridotites and MORB do not appear to be in equilibrium, raising questio

5 mixing between subducted atmospheric Xe and MORB Xe, which obviates the need for a less degassed dee

6 tabase for oceanic island basalts (OIBs) and MORBs.

7 re more oxidized than midocean ridge basalt (MORB) magmas, suggesting that the upper mantle sources o

8 otope variations in mid-ocean ridge basalts (MORB) are commonly attributed to compositional variation

9 than the source of mid-ocean ridge basalts (MORB).

10 differences between mid-ocean ridge basalts (MORBs) and ocean island basalts (OIBs) provide critical

11 Mid-ocean-ridge basalts (MORBs) are the most abundant terrestrial magmas and are

12 d isotope space for mid-ocean ridge basalts (MORBs) converge on a single end-member component that ha

13 We also find that mid-ocean-ridge basalts (MORBs) have (238)U/(235)U ratios higher than does the bu

14 OIBs) compared with mid-ocean-ridge basalts (MORBs) have been used as evidence for the existence of a

15 y uniform values in mid-ocean-ridge basalts (MORBs), are thought to result from a well mixed upper-ma

16 fold higher than in mid-ocean ridge basalts (MORBs).

17 e mantle residue of mid-ocean-ridge basalts (MORBs).

18 there is no true osmium isotopic gap between MORBs and abyssal peridotites.

19 he rheniumosmium isotope system, constituent MORB phases are shown to possess exceptionally high Re/O

20 Here we present helium isotope data for MORB glasses recovered along approximately 5,800 km of t

21 lt from a well mixed upper-mantle source for MORB and a distinct deeper-mantle source for ocean islan

22 3He/4He ratios for MORBs show both positive and negative correlation with t

23 ange of noble-gas concentrations observed in MORB and OIB glasses, can self-consistently be explained

24 ow that a higher CO2 content in OIBs than in MORBs leads to more extensive degassing of helium in OIB

25 OIBs are an order of magnitude lower than in MORBs.

26 that observed in OIBs worldwide and indicate MORB-like (3)He/(4)He ratios in OIBs cannot be used to p

27 tinct material, but do not account for lower MORB-like (3)He/(4)He ratios in OIBs, nor their observed

28 has led to a volatile-depleted upper mantle (MORB source) with low 3He concentrations and low 3He/4He

29 model basalt, hydrous model basalt and near-MORB to assess the effects of iron and water on the melt

30 ontrast, the uranium isotopic composition of MORB requires the convective stirring of recycled uraniu

31 ope and incompatible-element geochemistry of MORBs by a component of recycled crust that is variably

32 Here we show that (18)O/(16)O ratios of MORBs are correlated with aspects of their incompatible-

33 Compositional variations in the sources of MORBs could reflect recycling of subducted crustal mater

34 ternated with layers of sheared olivine plus MORB or of pure melt.

35 rces of Hawaiian magmas have higher fO2 than MORB sources.

36 ng the plume source to be less degassed than MORBs, a conclusion that is independent of noble gas con

37 The MORB data are consistent with the presence of a common m

38 ios between the Iceland mantle plume and the MORB source.

39 ith the 206Pb/204Pb ratios, depending on the MORB suite.

40 adiogenic values suggesting equilibrium with MORB.

41 plained solely by mixing atmospheric Xe with MORB-type Xe.

WebLSDに未収録の専門用語（用法）は "新規対訳" から投稿できます。