ROCKS FOR JOCKS PART 2

Abundant moisture and warm temperatures result in high rates of chemical weathering.

The viscosities of magmas increase with increasing percentages of silica.

Unusually large volcanic summit depressions that exceed one kilometer in diameter are known as

Frost wedging is the major weathering process contributing to the formation of which regolith material?

Feldspars commonly decompose during weathering to clay minerals, silica, and other soluble constituents.

All of the following are factors that affect rates of weathering except for ________.

Which of these factors influence the type and rate of weathering?

The ________ ocean basin is rimmed by the most subduction zones.

A pug of  of solidified lava can fill a crater  after a major eruption. What is that plug called?

Basaltic magmas are defined by a high silica content.

What two factors speed up rates of chemical reaction and weathering in rocks and soils?

A measurement of a fluid's resistance to flow is known as

Ferromagnesian minerals that crystallize at high temperatures in Bowen's reaction series are generally much les

Under similar warm, moist climatic conditions, why would basalt and gabbro generally have higher chemical weathering ra

Which term describes a soil formed by weathering of the underlying bedrock?

In which area would weathering by frost wedging probably be most effective?

Sheeting or exfoliation is mainly a process of mechanical weathering.

Cinder cones ________.

Which one of the following statements best describes erosion?

What is produced when the snow caps on some stratovolcanoes melt during an eruption?

Which one of the following statements concerning mechanical weathering is NOT true?

The largest volume of magma produced from melting mantle rock is triggered by

Clay minerals formed from gabbro or diorite bedrock illustrate which kind of weathering?

Which of the following best describe the E soil horizon?

Sills often form at the deepest levels of Earth's crust near the mantle.

land surface downward to the unweathered bedrock (correct order of the different soil horizons?)

Assume that water filling a crack in a rock undergoes cycles of freezing and melting. which one is true?

The finely divided, red, brown, and yellow soil-coloring minerals originate by what process?

A mushroom shaped intrusive body that arches up surrounding  sedimenary rocks is termed a_________________

Which of the following is not a form of chemical weathering?

A good example of an ultra-Plinian eruption is

Which term best describes those processes that move weathered rock materials and soils downslope?

important, mechanical weathering process for enlarging fractures and extending deep into large boulders +bedrock?

As an erosional process, how is mass wasting unique from wind, water, and ice?

The Columbia Plateau in the northwestern United States is an excellent example of ________.

The Three Zones of Volcanism are convergent, divergent, and

Which of the following factors help determine whether a volcanic eruption will be violent or relatively quiescent?

A magma's viscosity is directly related to its iron content.

Volcanic island arcs form when oceanic lithosphere subducts beneath continental lithosphere.

Soils often contain variations and vertical differences observed as general zones or layers called

The general term for igneous material emplaced at depth is