Erupting volcanoes eject pyroclastic materials of varying diameters. These materials, from smallest ...

Erupting volcanoes eject pyroclastic materials of varying diameters. These materials, from smallest to largest are ____________________, ____________________, ____________________, and ____________________.
 Fill in the blank(s) with correct word

Question 2

Geologists use sequence stratigraphy most in what industry?
 A)petroleum
 B)coal
 C)uranium
 D)mapping
 E)gemstone

Question 3

A controversial new technology called ____________________ involves injecting high-pressure fluids into rock formations to extract oil and gas.
 Fill in the blank(s) with correct word

Question 4

In highly viscous, felsic magma, if expansion is inhibited and gas pressure increases. Eventually, the pressure may become great enough to cause a(n) ____________________.
 Fill in the blank(s) with correct word

Question 5

In a cratonic sequence, which phase is commonly well-preserved?
 A)regressive
 B)sedimentary
 C)transgressive
 D)evaporite
 E)epeiric

Question 6

____________________ contains high concentrations of dissolved calcium and magnesium ions which can form precipitates on pipes, water heaters, and dishes.
 Fill in the blank(s) with correct word

Question 7

The particularly cold summer of 1816 was attributed to the huge eruption of Tambora in 1815 in Indonesia. In North America, 1816 was called ____________________.
 Fill in the blank(s) with correct word