Sentence examples for minerals form from inspiring English sources

Other clay minerals form authigenically at the site of deposition.

On the ground crystals of minerals form patches of sickly cauliflower growths.

Three oxide ore minerals form magmatic cumulates: chromite, magnetite, and ilmenite.

Relative ages also can be deduced in metamorphic rocks as new minerals form at the expense of older ones in response to changing temperatures and pressures.

Metamorphic rocks contain a sequence of zeolite minerals useful for assigning relative metamorphic grade; these minerals form at the expense of feldspars and volcanic glass.

Accessory minerals form at various times during the crystallization, but their inclusion within essential minerals indicates that they often form at an early time.

A rock, on the other hand, may contain minerals formed at more than one time under a variety of conditions.

As a result, geologists long held the opinion that cumulates of chromite and other dense minerals formed only by sinking.

Chalcocite (Cu2S) belongs to a group of sulfide minerals formed at relatively low temperatures (see also argentite).

Many excellent crystals of minerals formed in the geologic past are found in mines and caves throughout the world.

During its travels, it came across minerals that pointed to flowing water in Mars' past, but these minerals formed in highly acidic conditions.