1.4. Layering of Lava Flows

Try these first

1. 1.

   What is the difference between 'Aa' and 'Pahoehoe' lava?

   Hint

   Think about how each type feels when you touch it.

2. 2.

   What is Tacheletic Basalt known for in excavation?

   Hint

   Recall the issues related to moisture exposure.

3. 3.

   What characterizes 'Aa' lava?

   • Smooth surface
   • Rough surface
   • Fluid consistency

   Hint

   Remember the feel of rubbing your hand over it.

4. 4.

   True or False: Tacheletic Basalt is resistant to moisture.

   • True
   • False

   Hint

   Focus on the effects of water on this material.

5. 5.

   Discuss the challenges an archaeologist might face when excavating Tacheletic Basalt. How can these challenges be mitigated?

   Hint

   Consider how fragile materials might affect excavation methods.

6. 6.

   Analyze the significance of Pahoehoe lava in the development of rock formations over time.

   Hint

   Think about how the flow pattern impacts the layers created.