Sentences with phrase «olivine crystals in»

To understand how water affects subduction of the oceanic plate, in which layers of different rock types sink into the mantle, the UO team studied hydrogen isotopes in water contained in tiny blobs of glass trapped in olivine crystals in basalt.

A little olivine crystal in the Bunbury Basalt, for instance, or whether it's in the lava fields of Hawaii — taking it down to the nitty gritty in theoretical chemistry is the magnesium, iron and oxygen atom, which they do in Year 9 in looking at ionic compounds.

Not exact matches

Seismic waves move faster through flowing rock because the pressure deforms the crystals of olivine, a mineral common in the mantle, and stretches them in the same direction.

One paramount goal: completing his collection of pallasites, pretty meteorites that often contain green olivine crystals suspended in a gray matrix like luminous polka dots.

Although the heat of the upper mantle might help the olivine or pyroxene crystals within the rocks grow larger again, or «heal,» the two rock types are competing for space: Each is actually inhibited in its growth by the other's presence.

In particular, they looked at samples that contained melt inclusions, tiny dots of molten magma that became trapped within crystals of olivine.

An S2 however, would show under the microscope some uneven darkening of olivine crystals as the specimen is examined in polarized light and there might be cracking of mineral grains in along paths other than the normal cleavage of the crystals.