Podcast
Questions and Answers
What is the term used to describe molten rock material that reaches the Earth's surface?
What is the term used to describe molten rock material that reaches the Earth's surface?
- Silica
- Lava (correct)
- Igneous intrusion
- Magma
Which process results in the slow cooling and solidification of molten rock material injected into the Earth's crust?
Which process results in the slow cooling and solidification of molten rock material injected into the Earth's crust?
- Erosion
- Volcanism
- Igneous intrusion (correct)
- Denudation
What do the solidified lavas and intrusions collectively form?
What do the solidified lavas and intrusions collectively form?
- Silica
- Magma
- Igneous rock (correct)
- Granite
Which element is a basic component of silicate minerals?
Which element is a basic component of silicate minerals?
What causes a magma to solidify as a rock-glass without crystals?
What causes a magma to solidify as a rock-glass without crystals?
What was the original term used for rocks containing high amounts of silica?
What was the original term used for rocks containing high amounts of silica?
What type of magmas are less viscous than acid magmas?
What type of magmas are less viscous than acid magmas?
What is the estimated total area covered by basalt flows worldwide?
What is the estimated total area covered by basalt flows worldwide?
What term is used to describe dissected volcanic cones of central eruptions that were active in past geological ages?
What term is used to describe dissected volcanic cones of central eruptions that were active in past geological ages?
What volcanic feature is characterized by large flat cones formed by successive flows of basaltic lava?
What volcanic feature is characterized by large flat cones formed by successive flows of basaltic lava?
What type of eruption is described as 'paroxysmal' due to the large gas content in the lavas?
What type of eruption is described as 'paroxysmal' due to the large gas content in the lavas?
'Nuees ardentes' refer to:
'Nuees ardentes' refer to:
