ライフサイエンスコーパス: pyroxene

1 to crystalline silicates such as olivine and pyroxene.

2 presence of olivine, magnetite, and probably pyroxene.

3 lower, layered rocks are richer in normative pyroxene.

4 m the partitioning of europium (Eu) in their pyroxenes.

5 have derived mineralogy (+/-5 to 10%) of 45% pyroxene (20% Ca-rich pyroxene and 25% pigeonite), 40% s

6 appear in ejecta and crater walls, and their pyroxene absorption strengths are correlated with materi

7 feature dominated by emission from amorphous pyroxene, amorphous olivine, and magnesium-rich crystall

8 Less altered fragments contain olivine, pyroxene, amorphous silicates, calcite, and phosphide.

9 Pyroxenes (AMX(2)O(6)) consisting of infinite one-dimens

10 y (+/-5 to 10%) of 45% pyroxene (20% Ca-rich pyroxene and 25% pigeonite), 40% sodic to intermediate p

11 oclase and glass, but boundaries enriched in pyroxene and amphibole.

12 nificant hydroxyl incorporated as defects in pyroxene and garnet develops a faulting instability asso

13 )O/(16)O and (17)O/(16)O measurements of the pyroxene and olivine intergrown with the metal that show

14 are consistent with mafic silicates such as pyroxene and olivine.

15 ayer (the magma ocean) contained olivine and pyroxene and were compositionally less evolved than the

16 ation to study the elasticity of olivine and pyroxenes and their high-pressure phases.

17 ferrous iron doublets (olivine and probably pyroxene) and a ferric iron doublet (tentatively associa

18 s; the Fe/Mg and Mn/Fe ratios in olivine and pyroxene; and the chemistry of Fe-, Ni-, P-, and S-beari

19 the U-corrected Pb-Pb age of the meteorite's pyroxene as a proxy for the timing of magnetization acqu

20 This implies that water was present in pyroxenes at depth but was largely lost as pyroxenes wer

21 itanium solubilities in olivine, garnet, and pyroxene cannot account for exsolution-like relations.

22 roxenes correlate with both crustal ages and pyroxene chemistry and increase toward younger and more

23 housand in garnet and -0.980 per thousand in pyroxene) compared with their protoliths.

24 The very wide range of olivine and low-Ca pyroxene compositions in comet Wild 2 requires a wide ra

25 A new pyroxene compound, NaMnGe(2)O(6), has been synthesized a

26 ature distinguishes NaMnGe(2)O(6) from other pyroxene compounds without Jahn-Teller active cations an

27 bsorption bands characteristic of a range of pyroxenes, confirming a direct link to the basaltic howa

28 asaltic materials have more plagioclase than pyroxene, contain olivine, and are similar in inferred m

29 extents are directly related to olivine and pyroxene contents.

30 The H(2)O contents of pyroxenes correlate with both crustal ages and pyroxene

31 agmatic sulfides hosted in amphibole-olivine-pyroxene cumulates in the lowermost crust.

32 The two-pyroxene dacite from the 2019 eruption is similar to the

33 Olivine, plagioclase, and pyroxene demonstrate greater damage than troilite and ka

34 Pyroxene dominates the iron-bearing mineralogy in the fi

35 rowth kinetics and the textural evolution of pyroxene during crystallization of trachybasaltic magmas

36 rystallize extensively in 2-10 minutes, with pyroxenes, Fe-oxides, and plagioclase.

37 he moraine and analyzed mineral separates of pyroxene for cosmogenic (3)He.

38 sion, monomineralic melts were injected into pyroxene fractures that were subsequently cooled and res

39 the temporal variations of H(2)O contents in pyroxenes from a 24-Ma time series of abyssal peridotite

40 ate consisting of olivine (Fa4), low-calcium pyroxene (Fs6Wo1), chromium diopside (Fs3Wo47), plagiocl

41 Study of two adjacent pyroxene grains from the crushed zone of ALH84001 shows

42 low-calcium pyroxene (LCP), and high-calcium pyroxene (HCP) on the surface of Mars.

43 esponsible for the intense local crushing of pyroxene in the meteorite.

44 , rock-forming minerals olivine, low-calcium pyroxene (LCP), and high-calcium pyroxene (HCP) on the s

45 the Shergotty meteorite, the inner cores of pyroxene minerals (which formed at depth in the martian

46 teorite, composed of olivine and low-calcium pyroxene, occurs in the outer portions of two CAIs and i

47 t the distributions of trace elements within pyroxenes of the Shergotty meteorite--a basalt body ejec

48 We observe dendritic growth of pyroxene on initially euhedral cores, and a surprisingly

49 e composed of either amorphous iron-enriched pyroxene or a combination of amorphous MgSiO(3) and Mg(2

50 with the presence of mafic silicates such as pyroxene or olivine.

51 We argue that pyroxenes, particularly those modified by substituting G

52 saltic/trachy-basaltic rocks with intergrown pyroxene, plagioclase feldspar, and altered olivine and

53 ritic basalts, containing normative olivine, pyroxenes, plagioclase, and accessory FeTi oxides.

54 A quartz-pyroxene rock interpreted as a banded iron formation (BI

55 hich commonly form the banding in the quartz-pyroxene rock.

56 tion from Isua (IF-G, Greenland), and quartz-pyroxene rocks from Akilia and Innersuartuut (GR91-26 an

57 cript, we explore the magnetic properties of pyroxene SrCoGe[Formula: see text]O[Formula: see text] u

58 s with the intrinsic local distortion in the pyroxene structure.

59 rials suggests that a four to one mixture of pyroxene to plagioclase, together with about a 35 percen

60 Two grains are identified as pyroxene, two as olivine, one as a glass with embedded m

61 Fe(III) associated with phyllosilicates and pyroxene was reduced to Fe(II).

62 ometer-scale views of microbially controlled pyroxene weathering products.

63 n pyroxenes at depth but was largely lost as pyroxenes were carried to the surface during magma ascen

64 Like other alkali-metal pyroxenes with S > (1)/(2), NaMnGe(2)O(6) (S = 2) was fo

65 samples were composed of silicates (olivine, pyroxene) with metal-rich phases occurring as native met