Bowl Test 2
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Questions and Answers

Name two examples of silicate minerals.

Quartz and feldspar.

What are the three types of nonsilicate minerals?

Carbonates, oxides, and sulfates.

What is Bowen's Reaction Series?

It is a description of the order in which minerals crystallize as molten rock cools.

Name two examples of mafic igneous rocks.

<p>Basalt and gabbro.</p> Signup and view all the answers

What is the difference between a batholith and a sill?

<p>A batholith is a massive intrusion that cuts across pre-existing rock layers, while a sill is a tabular intrusion that forms parallel to pre-existing rock layers.</p> Signup and view all the answers

What are the main processes involved in the formation of sedimentary rocks?

<p>The main processes involved in the formation of sedimentary rocks are compaction and cementation of sediments.</p> Signup and view all the answers

What are the three types of sediments that may be included in the formation of sedimentary rocks?

<p>The three types of sediments that may be included in the formation of sedimentary rocks are clastic, chemical, and organic material.</p> Signup and view all the answers

What are metamorphic rocks formed from?

<p>Metamorphic rocks are formed from the alteration of existing rock through heat, pressure, or chemically active fluids.</p> Signup and view all the answers

What is the term used to refer to the original rock from which a metamorphic rock is formed?

<p>The original rock from which a metamorphic rock is formed is called the parent rock or protolith.</p> Signup and view all the answers

What are the two types of metamorphic rocks based on their appearance?

<p>The two types of metamorphic rocks based on their appearance are foliated and nonfoliated.</p> Signup and view all the answers

What is the key characteristic of the O Horizon?

<p>Dark, rich in organic matter.</p> Signup and view all the answers

What is the key characteristic of the A Horizon?

<p>Dark in color, rich in nutrients, where most plant roots are found.</p> Signup and view all the answers

What is the key characteristic of the E Horizon?

<p>Light in color and often found in soils with strong leaching processes.</p> Signup and view all the answers

What is the key characteristic of the B Horizon?

<p>May contain minerals and clay, sometimes referred to as the zone of accumulation.</p> Signup and view all the answers

What is the key characteristic of the C Horizon?

<p>Contains weathered rock or unweathered material that's in the process of becoming soil.</p> Signup and view all the answers

What is the key characteristic of the R Horizon?

<p>Consists of solid rock, not soil.</p> Signup and view all the answers

What are soil horizons?

<p>Layers of soil that develop over time due to weathering and other natural processes.</p> Signup and view all the answers

What is the order of horizons from top to bottom?

<p>O, A, E, B, C, and R.</p> Signup and view all the answers

What factors can affect the composition and characteristics of soil horizons?

<p>Climate, vegetation, and geological factors.</p> Signup and view all the answers

Why are soil horizons important?

<p>They are critical for understanding soil properties and its suitability for various uses like agriculture, construction, or environmental assessment.</p> Signup and view all the answers

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