There are also abundant blebs of sulphides (chalcopyrite, pyrrhotite and pentlandite, inferred to have crystallized from homogeneous monosulphide globules), often enclosed by ilmenite and magnetite.From theCambridge English Corpus
Evolved hydrogensulphidewas carried in a nitrogen stream to a silver nitrate trap and precipitated as silversulphide.From theCambridge English Corpus
Analytical errors: extractions + 0.4 (2), physically separated sulphides + 0.2 (2).From theCambridge English Corpus
The majority of these are rhyolitic/dacitic/trondhjemitic and basaltic, commonly hosting massivesulphidedeposits of economic importance.From theCambridge English Corpus
Because of their high density, the mechanisms for movingsulphideliquids upwards must involve very high flow velocities.From theCambridge English Corpus
The relative abundance ofsulphidedroplets suggests that the melts were sulphursaturated just before and immediately after emplacement.From theCambridge English Corpus
Trials were run over three years, with carrion bait presented in the presence and absence of sodiumsulphide.From theCambridge English Corpus
Sulphides are rare and there is no clear correlation between the platinum-group minerals and the sulphides.From theCambridge English Corpus
There was no such difference in the presence of sodiumsulphide.From theCambridge English Corpus
Evolved hydrogensulphidegas was carried in a nitrogen stream to a silver nitrate trap and precipitated as silversulphide.From theCambridge English Corpus
Evolved hydrogensulphidewas carried in a nitrogen stream to a silver nitrate trap and precipitated as silver sulphides.From theCambridge English Corpus
It is possible that these marcasites could have been precipitated from the same sulphur-bearing fluid as the main phase sulphides.From theCambridge English Corpus
It is significant that fissures 1, 2, 9 and 10 have metalsulphideveins associated with the fossil-bearing and usually black sediments.From theCambridge English Corpus
Targets were baited with 300 g of lamb liver and 10 g of crushed sodiumsulphide.From theCambridge English Corpus
They probably faced this difficulty by growing on, or within, mineral surfaces such as sulphides and/or clays.From theCambridge English Corpus
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