12 Questions
What kind of weathering causes the mineral composition of rocks to change?
Chemical weathering
Which process forms sandstone?
Compaction and cementation
Which geological period represents more than 20% of Earth's history?
Pre-Cambrian Eon
How are clastic rocks formed?
Compaction and cementation
Are erosion and weathering dependent upon one another?
No - they are separate events that occur independently
What is the process by which rocks are broken down chemically or physically known as?
Weathering
What is the law that states sedimentary rock layers are deposited horizontally?
Law of Original Horizontality
Which type of rock is formed from the slow cooling of magma within the Earth?
Granite
What is the most powerful force of weathering and erosion?
Running water
Which process forms metamorphic rocks?
Heat and pressure
What is the term for when a rock is broken down into smaller pieces?
Weathering
What causes a rock containing iron to become soft and reddish-brown in color?
Oxidation
Test your knowledge of geological laws related to rock layers, including correlation, unconformity, and original horizontality. Determine the characteristics of sedimentary and extrusive rocks based on their formation processes.
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