Continental Margins and Plate Tectonics Flashcard

Front

What primarily distinguishes active continental margins from passive continental margins?

Back

Proximity to tectonic plate boundaries

Front

Which of the following best describes the continental shelf?

Back

A flat, shallow area that was once dry land

Front

What is the primary cause of the formation of seamounts?

Back

Volcanic activity

Front

Which type of plate boundary is characterized by plates sliding past each other? Options: Divergent, Convergent, Transform, Subduction

Back

Transform

Front

What geological feature is formed at divergent boundaries?

Back

Mid-ocean ridges

Front

How do hydrothermal vents contribute to ocean ecosystems?

Back

By releasing nutrients and minerals

Front

What is the significance of the central rift valley at the mid-ocean ridge?

Back

It is where plates are pulling apart

Front

Which of the following statements about the abyssal plain is true?

Back

It is formed by sediment accumulation over millions of years

Front

What drives the movement of tectonic plates?

Back

Convection currents in the mantle

Front

What type of boundary forms when an oceanic plate subducts beneath a continental plate?

Back

Oceanic-continental convergent boundary