Earth Sciences Quiz: Climate and Regolith Geology
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Questions and Answers

What is a major focus of Section A of the course outline?

  • Climate controlling factors and anthropogenic activity (correct)
  • Supergene modification of ore deposits
  • Regolith geology and landscape evolution
  • Introduction to landscapes and their aesthetic appeal

According to the definitions provided, what is a landscape?

  • Everything visible in an area of land, including natural features (correct)
  • An area of land with aesthetic appeal
  • A small river or stream
  • A small area of land with a single feature

What is the primary factor driving landscape evolution?

  • Anthropogenic processes
  • Combination of natural and anthropogenic processes (correct)
  • Atmospheric processes
  • Tectonic processes

What is a key aspect of regolith geology?

<p>Identification of regolith products and gossans (A)</p> Signup and view all the answers

What is the result of the interaction between exogenic and endogenic processes?

<p>Landscape evolution (C)</p> Signup and view all the answers

What is a significant factor affecting global climate?

<p>Anthropogenic activity (C)</p> Signup and view all the answers

What is a key aspect of Section B of the course outline?

<p>Regolith geology and landscape evolution (C)</p> Signup and view all the answers

What is the term used to describe the process of rock breakdown and sediment transport?

<p>Denudation (A)</p> Signup and view all the answers

What is the name of the process that involves the movement of sediments from one location to another?

<p>Transportation (C)</p> Signup and view all the answers

What are geologists concerned with in relation to landscapes?

<p>The geomorphology or physiographic features (D)</p> Signup and view all the answers

What are the primary surface processes responsible for creating landscapes?

<p>Aeolian, fluvial, glacial, and hillslope processes (A)</p> Signup and view all the answers

What is the characteristic of landscape evolution?

<p>Rapid and continual change (C)</p> Signup and view all the answers

What is a key factor in determining the type of local morphology that tectonics can shape?

<p>Rheological attributes of bedrock (A)</p> Signup and view all the answers

What is the primary agent responsible for erosion, transportation, and deposition in arid environments?

<p>Wind (A)</p> Signup and view all the answers

What type of landscapes can earthquakes create through submergence?

<p>Wetlands (D)</p> Signup and view all the answers

What is the primary characteristic of laterites?

<p>High iron content (B)</p> Signup and view all the answers

What is the term for the removal of loose, fine-grained particles from the earth's surface?

<p>Deflation (C)</p> Signup and view all the answers

What is the fundamental principle underlying the formation of laterites?

<p>Redox state of Fe2+ and Fe3+ (A)</p> Signup and view all the answers

What is the term for the wearing down of surfaces by the grinding action of particles?

<p>Abrasion (B)</p> Signup and view all the answers

What is a necessary condition for the formation of laterites?

<p>Favourable geomorphological environment with limited run-off (C)</p> Signup and view all the answers

How are small particles (> 0.2mm) transported by winds?

<p>Suspension (A)</p> Signup and view all the answers

What is a common application of laterites?

<p>Extraction of metals such as Cu and Ni (A)</p> Signup and view all the answers

What is the term for the downwind movement of (normally sand-sized) particles in a series of jumps or skips?

<p>Saltation (B)</p> Signup and view all the answers

What is the term for the movement of coarser pebbles as they slide and roll along the ground?

<p>Creep (A)</p> Signup and view all the answers

What is the source of Fe in the intense insitu weathering and leaching of bedrock model?

<p>Upper soil horizons (C)</p> Signup and view all the answers

What happens to Fe2+ as it migrates towards the water table in the upward diffusion theory?

<p>It is oxidized to Fe (D)</p> Signup and view all the answers

Which geological process is NOT mentioned as influencing the shape of the landscape?

<p>Volcanic (B)</p> Signup and view all the answers

What type of rocks tend to produce highland areas?

<p>Granites (C)</p> Signup and view all the answers

What is the name of the theory that assumes Fe sourced from elsewhere in the landscape?

<p>Lateral migration model (B)</p> Signup and view all the answers

What can be used as a guide to mineral prospecting?

<p>Landforms (B)</p> Signup and view all the answers

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