Sentences with phrase «called magnetite»

A Martian meteorite discovered in Antarctica in 1984 called ALH84001 was found to have a mineral called magnetite that on Earth is associated with the presence of microorganisms.

The findings are consistent with the idea, first proposed nearly 40 years ago, that animals have tiny magnetic particles of an iron - containing compound called magnetite in their bodies.

Researchers have long known that migratory birds receive information about magnetic fields from a part of their upper beak called the magnetite receptor, which contains iron - based magnetic crystals.

It is generally agreed that Mars's colour is the result of a black form of iron called magnetite oxidising into the reddish - orange form called haematite.

The meteorite is full of grains of an iron oxide mineral called magnetite, each grain a mere 20 to 120 nanometers across.

Not exact matches

So - called magnetotactic bacteria create a chain of magnetite grains to help orient themselves in their search for nutrients.