Manganese nodule — Free Oceanography Illustration | GPAI | GPAI

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Manganese nodule — Free Oceanography Illustration | GPAI | GPAI

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Manganese nodule

Manganese nodule

Oceanography

Manganese nodule

A dark brown to black rounded seafloor manganese nodule, roughly golf-ball to tennis-ball or potato-sized, with a nearly spherical to irregular potato-like shape. The surface is rough, knobby, and lumpy with botryoidal to cauliflower-like texture, showing concentric or layered mineral growth patterns. It appears as a hard mineral concretion with a dense matte to subtly metallic surface, including dark metallic gray and faint rusty iron tones; some specimens may be slightly flattened on one side.

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PNG

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