ライフサイエンスコーパス: feldspar

1 f ice on high-energy (100) surface planes of feldspar.

2 ad-out of the trapped electron population in feldspar.

3 nd from regions composed of pure plagioclase feldspar.

4 ined by quartz, silica-rich glass, or alkali feldspar.

5 weathering aluminosilicates, kaolinite and K-feldspar.

6 the promotion of both Al and Si release from feldspars.

7 ilica-rich, nanometers-thick skin on certain feldspars.

8 sition-metal ions, and P occur inside modern feldspars.

9 deposition growth of aligned ice crystals on feldspar, an atmospherically important component of mine

10 re Formation, which consisted primarily of K-feldspar and quartz.

11 ount for Buckskin's tridymite, cristobalite, feldspar, and any residual high-SiO2 glass.

12 survival of large-pore zeolites, honeycombed feldspar, and encapsulated species.

13 component modeled as a combination of glass, feldspar, and sheet silicates (approximately 20 to 30%)]

14 ready for crystallization into zeolites and feldspars, as in present continental basins.

15 This might explain why some old feldspar-bearing rocks weather slower than predicted fro

16 under mixed-phase cloud conditions, despite feldspar being a minor component of dust emitted from ar

17 ate effects of acetate and oxalate on alkali feldspar-brine interactions in a simulated geologic carb

18 phous silica rather than hydroxylated silica-feldspar, but natural feldspar may respond differently.

19 onmelted, precursor minerals phases (quartz, feldspar, calcite), "feldspathic-rich" glass, "average"

20 violet laser argon-argon dating of potassium feldspar cements containing fluid inclusions, we determi

21 clast (d = 2cm) has coexisting variations in feldspar composition and oxygen isotope ratios that can

22 measured from core to rim across plagioclase feldspar crystals can be used to monitor changes in the

23 rast, the outward Si-OH of simple quartz and feldspar crystals generates their ionic organophobicity.

24 39)Ar method is to fuse dozens of individual feldspar crystals.

25 Natural K, Na-feldspars develop fragile surfaces as etch pits expand i

26 provide new insights into the dependence of feldspar dissolution kinetics on the crystallographic pr

27 Si order may affect the effect of oxalate on feldspar dissolution: a promotion of ~500% in terms of c

28 rved to convert to the sanidine polymorph of feldspar during certain heat treatments within the norma

29 Inter- and intragranular potassium feldspar from the deposit yields an argon-argon age of 2

30 on, yielding sub-mum clay precipitation on K-feldspar grains in the core's upstream end.

31 om a global aerosol model study suggest that feldspar ice nuclei are globally distributed and that fe

32 Feldspar is important to uranium remediation efforts at

33 electron-hole recombination within quartz or feldspar; it relies, by default, on destructive read-out

34 have a remarkable texture, with crystals of feldspar linked together in a continuous three-dimension

35 sieve zeolites, I proposed that some natural feldspars lose weakly bonded Al-OH (aluminol) to yield s

36 (~Fo62), augite, and pigeonite, with minor K-feldspar, magnetite, quartz, anhydrite, hematite, and il

37 an hydroxylated silica-feldspar, but natural feldspar may respond differently.

38 Silica-terminated feldspar might be a promising ceramic surface.

39 ophilic silica-rich surfaces of zeolites and feldspars might generate replicating biopolymers from si

40 icic surfaces of micrometer-wide channels of feldspars might have led to assembly of replicating cata

41 shed droplet-freezing technique to show that feldspar minerals dominate ice nucleation by mineral dus

42 e, kaolinite, smectite, anorthite, albite, K-feldspar, muscovite, quartz, goethite, and galena ranged

43 es, i.e., UO(2)2+, CO(3)2-, and UO(2)CO3, in feldspar nanosized fractures.

44 scopy of honeycomb channels inside weathered feldspars of the Shap granite (northwest England) has re

45 ness (Rq < 500 nm), such as large and smooth feldspar or quartz crystal surface sections as well as i

46 issolution for sanidine (a highly disordered feldspar) owing to oxalate, while the corresponding incr

47 ice nuclei are globally distributed and that feldspar particles may account for a large proportion of

48 igh ice nucleation efficacy of potassium (K)-feldspar particles.

49 ano/micrometer channels of ancient weathered feldspars, plus exploitation of phosphorus and various t

50 The crystal structure of H-exchanged feldspar provides atomic positions for computer modeling

51 e intra-crystalline plasticity of quartz and feldspar relieves stress by aseismic creep and earthquak

52 ate tectonics, whereas the Moon acquired its feldspar-rich crust by way of plagioclase flotation in a

53 Al/Si and Ca/Si ratios rule out a lunarlike feldspar-rich crust.

54 analysis show that olivine and a plagioclase feldspar-rich mesostasis in the Lafayette meteorite have

55 These meteorites are feldspar-rich, with andesite bulk compositions.

56 that both organics enhance the net extent of feldspar's dissolution, with oxalate showing a more prom

57 simulations showed that the presence of the feldspar surface diminishes the diffusion coefficients o

58 Lack of an Al-OH infrared frequency from a feldspar surface is consistent with such a silanol-domin

59 rofiles of the same species adsorbing on the feldspar surface revealed a large favorable free energy

60 Feldspar surfaces respond to chemical, biological, and m

61 eling of complex ideas for silica-terminated feldspar surfaces.

62 onding increase for albite (a highly ordered feldspar) was ~90%.

63 ation-exchange, and kinetic dissolution of K-feldspar were included in the model.