Sentences with phrase «of phyllosilicates»

Not exact matches

A study led by Eleonora Ammannito of the University of California, Los Angeles, finds that clay - forming minerals called phyllosilicates are all over Ceres.

To satisfy microbial nutritional fitness, the research team uses mineral mixtures that mimic the Martian regolith composition from different locations and historical periods of Mars: «JSC 1A» is mainly composed of palagonite — a rock that was created by lava; «P - MRS» is rich in hydrated phyllosilicates; the sulfate containing «S - MRS,» emerging from acidic times on Mars and the highly porous «MRS07 / 52» that consists of silicate and iron compounds and simulates sediments of the Martian surface.

It first detected clays (technically called phyllosilicates) last year, but the data were spotty, and some scientists wondered whether the clays were merely superficial layers, the result of gradual weathering rather than thorough soaking.

Mineralogist Richard Morris of the NASA Johnson Space Center says, «For something as important as phyllosilicates, I'd like to see two things point to it» — that is, two independent lines of evidence.

One of these, phyllosilicate, forms as liquid water interacts with volcanic rock over thousands of years.

One of the surprises found on Ceres was the presence of ammonia in the phyllosilicates.

Like the fine grains sampled in the Aru avalanche debris, Martian dust is talcum powder - sized particles of platy phyllosilicate minerals.

Last year, in a Nature study, De Sanctis» team reported that the surface of Ceres contains ammoniated phyllosilicates, or clays containing ammonia.

Phyllosilicates are clay - like minerals, formed in the presence of a neutral - pH water, and are indicative of a habitable environment.

This shallow angle would have permitted some of the ejected material from the collision to fall back on the surface, spraying it with the observed phyllosilicate traces.

Bentonite is a phyllosilicate that does a lot of good to the skin and the fur of your pets.

Faults (contrary to very popular theory needs) are always lubricated to some degree by a combination of, pore space water under pressure, phyllosilicate clay slurry (lots of it), lubricant metals like molybdenum (some - usually emplaced in hydrothermal processes of transport and atom precipitation with changes in pressure) and especially by copious amounts of «massive» (i.e. solid) graphite, that's almost always is present in fault surface,