Which Method Did Not Contribute Significant Geologic Knowledge About the Rocks

question 65

Multiple Choice

Which method did not contribute significant geologic knowledge about the rocks, structures, and mineral deposits of the mid- ocean ridges?

• A) mapping of slices of ocean crust added to the continents by tectonic activity
• B) geophysical surveys and soundings of the ocean floor
• C) deep diving submersibles traverses by manned and unmanned subs
• D) remote sensing and mapping of mineral deposits by satellites

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Definitions:

Earth Flow

A type of mass wasting event where soil and regolith move slowly downslope, often triggered by saturation from rainfall or melting snow.

Creep

The slow, continuous movement of material, such as soil and other weak materials, down a slope.

Prehistoric Slope Failures

Landslides and similar geologic occurrences that took place before recorded history, often detected through sediment analysis.

Hummocky Topography

A type of chaotic landscape characterized by randomly distributed humps and pits, commonly created by a landslide or less commonly by a pyroclastic eruption.