Characteristics of Volcanic Rock

The video tutorial discusses a type of volcanic or igneous rock characterized by its vesicular nature, meaning it has holes throughout. This rock is typically very light and often appears in shades of gray or lightly black, but usually in a light gray color. The rock is described as very special due to these unique features.

What is another name for volcanic rock?

• Sedimentary rock

• Igneous rock

• Metamorphic rock

• Limestone

What feature is common in vesicular rocks?

• Holes throughout

• Bright colors

• Smooth surface

• Heavy weight

How would you describe the weight of this volcanic rock?

• Very light

• Very heavy

• Extremely dense

• Moderately heavy

What is the typical color of this volcanic rock?

• Dark black

• Bright white

• Deep red

• Light gray

Which of the following is NOT a characteristic of the volcanic rock described?

• Light gray color

• Light weight

• Vesicular

• Dark color