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Which of the following sedimentary structures indicates sediment transport by density currents (turbidity currents) flowing down the continental slopes?

Viscosity is a material’s resistance to flow. The pictures below show two types of volcanic eruptions. In the first, lava is fountaining and flowing freely, making a gently sloping volcano. In the second eruption, a thick plug of lava called a dome has emerged in a volcanic crater. Which of the following statements BEST describes the relative viscosity of these two eruptions?Click to view larger image.

Conglomerate differs from breccia in that

Which silicate mineral has a single-chain structure?

Which of the following sedimentary environments would produce the more well-sorted sedimentary rocks

Sedimentary rocks that originated as deposits near the center of a large lake should have

Escape of gases from a cooling lava produces

Evaporite deposits are considered to be possible sites for high-level radioactive waste disposal because of their:

This figure is of a single atom. Match the letter with the correct atomic particle and its charge.Click to view larger image.

Maximum compaction can be achieved with: