What's the difference between aeriferous and auriferous?

Aeriferous

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Definition:

• (a.) Conveying or containing air; air-bearing; as, the windpipe is an aeriferous tube.

Example Sentences:

Auriferous

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Definition:

• (a.) Gold-bearing; containing or producing gold.

Example Sentences:

• (1) Convergent beam electron diffraction proves the crystalline nature of the spherical auriferous deposits.
• (2) In the contaminated area, gold prospectors have been using mercury to separate gold from auriferous sand and rock powders for many years.