ライフサイエンスコーパス: concretion

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1 er thousand higher in delta18O than a second concretion.

2 tolithiasis and patients without gallbladder concretions.

3 rops and soils also formed diagenetically as concretions.

4 the presence of bacteria in two distinctive concretions.

5 aracter and distribution of Navajo haematite concretions allow us to infer host-rock properties and f

6 Diagenetic features include hematite-rich concretions and crystal-mold vugs.

7 Canaculotomy, curettage with removal of concretions and tubing with silicone stent for six weeks

8 volcanic ash, subsequent incorporation into concretions, and infilling of the fossils with sparry ca

9 cretions imaged on Mars to these terrestrial concretions, and investigate the implications for analog

10 Many of these concretions are isolated spheres, centered on fossils.

11 isotope ratios measured from the core of one concretion average delta13C = 46 +/- 8 per thousand, con

12 The size of hematite-rich concretions decreases up-section, documenting variation

13 we present evidence that spherical carbonate concretions (diameters phi : 14 ~ 37 mm) around tusk-she

14 We interpret these spherules to be concretions formed by postdepositional diagenesis, again

15 etic (post-depositional), haematite-cemented concretions found in the Jurassic Navajo Sandstone of so

16 The formation of such concretions has been variously explained by diffusion of

17 of all kinds of isolated spherical carbonate concretions identified in marine formations.

18 Here we compare the spherical concretions imaged on Mars to these terrestrial concreti

19 Most of the core of one concretion is homogeneous (16.7 +/- 1.2 per thousand) an

20 Oxygen isotope compositions of these concretions, measured by ion microprobe, range from delt

21 Carbonate concretions occur in sedimentary rocks of widely varying

22 A concretion of the outermost particle layer into a dense

23 teorite ALH84001 contains small, disk-shaped concretions of carbonate with concentric chemical and mi

24 Bezoars are concretions of ingested matter which accumulate in the g

25 Analyses of diagenetic features (including concretions, raised ridges, and fractures) at high spati

26 at the formation of such spherical haematite concretions requires the presence of a permeable host ro

27 eandering shaped morphologies underneath bio-concretionned rocky buildups.

28 with smaller and more abundant hematite-rich concretions than those seen previously, possible relict

29 s shown here suggest that isolated spherical concretions that are not associated with fossils might a

30 Signal loss corresponding to probable concretions was identified in 34 cases.

31 mputerized tomography scans of a ferruginous concretion within the chest region of an ornithischian d

32 erved as calcitic void in-fills in carbonate concretions within a volcaniclastic horizon, and are rec

33 erved as calcitic void in-fills in carbonate concretions within a volcaniclastic horizon, and are rec

34 Culturing lacrimal secretions and concretions yielded Aggregatibacter aphrophilus in pure

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