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.
Not exact matches
One of these,
phyllosilicate, forms
as liquid water interacts with volcanic rock over thousands of years.
Ammonia, accreted either
as organic matter or
as ice, may have reacted with
phyllosilicates on Ceres during differentiation.
When this occurs another massively common igneous and metamorphic
phyllosilicate mineral called mica grows directly into the faults
as well.