Shale and Fracking Basics Quiz

What percentage of the world's surface rocks are sedimentary?

• 90%

• 30%

• 70%

• 50%

What is the main component of shale rocks?

• Feldspar

• Calcite

• Organic matter

• Quartz

At what depth is shale found in parts of the UK?

• 1-2 km

• 4-5 km

• 2-3 km

• 3-4 km

What is the process of fracturing impermeable rocks to extract gas or oil called?

• Rock splitting

• Sedimentary cracking

• Chemical drilling

• Hydraulic fracturing

What is the main purpose of firing seismic waves into the ground during exploration?

• To survey the area and build maps of the underlying geology

• To create earthquakes

• To test the well site

• To extract gas

What happens to the waste fracking fluid during the drilling process?

• It is released into the atmosphere

• It is stored on-site

• It is transported to another location

• It is burned along with the gas

The three stages of extracting shale gas are _________, ___________ and __________.