Thursday, February 28, 2013

The four types of Marine Sediments.

1. How are each type of marine sediments created?

Lithogenous- derived from land.

Biogenous- derived from organisms.

Hydrogenous- derived from water.

Cosmogenous- derived from outer space.


2. Lithogenous- produced by weathering, breaking of rocks into smaller pieces.
    Biogenous- visible to naked eye, shells, bones.

    Hydrogenous- Minerals precipate directly from seawater, (phosphates, carbonates, metal sulfides.

   Cosmogenous- macroscopic meteor debris, microscopic iron , nickel and silicate spherules, (small globular masses).

Sediments Video.

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