CH 2: Topography associated with inclined rock strata
61 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What distinguishes laccoliths from lopoliths in terms of shape?

  • Laccoliths are saucer-shaped, while lopoliths are mushroom-shaped.
  • Laccoliths are wall-like, while lopoliths are chimney-shaped.
  • Laccoliths are mushroom-shaped, while lopoliths are saucer-shaped. (correct)
  • Laccoliths are chimney-shaped, while lopoliths are wall-like.

Which type of intrusive body is characterized by horizontal layers between existing rock layers?

  • Sills (correct)
  • Pipes
  • Laccoliths
  • Dykes

What geological process leads to the exposure of granite domes at the Earth's surface?

  • Volcanic eruption
  • Chemical weathering
  • Tectonic uplift
  • Erosion (correct)

In what type of regions are tors primarily found due to extensive massive igneous rock formations?

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

What geological process contributes to the unique formation of tors by causing vertical and horizontal joint expansion?

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

Which intrusive body is known for transporting magma from deep sources to or near the Earth's surface?

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

What distinguishes sills from dykes in terms of their orientation relative to existing strata?

<p>Sills are horizontal, while dykes are vertical. (A)</p> Signup and view all the answers

How do granite domes differ from tors in terms of their overall shape?

<p>Granite domes are smooth and rounded, while tors have core stones stacked on each other. (D)</p> Signup and view all the answers

What is the primary process that leads to the formation of massive igneous rocks?

<p>Cooling and solidification of magma (C)</p> Signup and view all the answers

How do massive igneous rocks typically differ from sedimentary rocks?

<p>Massive igneous rocks form in layers (A)</p> Signup and view all the answers

Which type of rock formations are associated with massive igneous rocks when exposed by weathering and erosion?

<p>Granite domes and tors (D)</p> Signup and view all the answers

What is the characteristic composition of batholiths?

<p>Consist of granite (B)</p> Signup and view all the answers

Intrusive igneous rock bodies form when magma does not erupt onto the Earth's surface but instead ______ within the Earth's crust.

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

What is the key difference between intrusive and extrusive igneous rocks?

<p>Extrusive rocks cool rapidly on the surface (B)</p> Signup and view all the answers

Which geological concept is fundamental in studying physical geography and geology?

<p>Formation of massive igneous structures (B)</p> Signup and view all the answers

What distinguishes laccoliths from sills in terms of their shape?

<p>Laccoliths are mushroom-shaped, while sills are horizontal layers. (A)</p> Signup and view all the answers

Which geological process contributes to the formation of granite domes?

<p>Erosion and weathering of batholiths or laccoliths (C)</p> Signup and view all the answers

How do dykes differ from lopoliths in terms of their formation?

<p>Dykes cut across existing strata, while lopoliths sink between sedimentary layers. (C)</p> Signup and view all the answers

What is the primary difference between granite domes and tors?

<p>Granite domes form from erosion and exposure of batholiths or laccoliths, while tors result from joint expansion and chemical weathering. (B)</p> Signup and view all the answers

Which intrusive body is characterized by chimney-shaped intrusions for magma transport?

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

How do sills differ from laccoliths in terms of their orientation relative to existing strata?

<p>Sills form horizontally between existing rock layers, while laccoliths push the layers upward. (B)</p> Signup and view all the answers

What distinguishes dykes from granite tors in terms of their shape?

<p>Dykes are chimney-shaped intrusions, while granite tors are smooth and rounded. (D)</p> Signup and view all the answers

Intrusive igneous rock bodies like pipes primarily serve the purpose of _____.

<p>transporting magma from deep sources to or near the surface (C)</p> Signup and view all the answers

What contributes to the unique formation of granite tors?

<p>Expansion of vertical and horizontal joints due to cooling and contraction (A)</p> Signup and view all the answers

How do laccoliths differ from pipes in terms of their shape?

<p>Laccoliths push overlying strata upwards, while pipes transport magma from deep sources. (A)</p> Signup and view all the answers

What distinguishes massive igneous rocks from sedimentary rocks in terms of their formation?

<p>Igneous rocks typically do not form in layers. (A)</p> Signup and view all the answers

Which type of intrusive body is notably composed of granite and can form extensive landforms?

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

What is the characteristic feature of tors when they are exposed on the Earth's surface?

<p>Rounded dome-like structures (C)</p> Signup and view all the answers

How do intrusive igneous rock bodies differ from extrusive igneous rock formations?

<p>Intrusive bodies intrude into spaces within the Earth's crust. (A)</p> Signup and view all the answers

What geological process leads to the formation of granite domes?

<p>Cooling and solidification of magma (D)</p> Signup and view all the answers

Which type of intrusive body is characterized by horizontal layers between existing rock layers?

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

In what way do batholiths contribute to landforms when exposed at the Earth's surface?

<p>Development of extensive landforms (B)</p> Signup and view all the answers

What is the primary factor that differentiates massive igneous rocks from sedimentary rocks in terms of their formation?

<p>Formation from solidified magma (C)</p> Signup and view all the answers

Which characteristic is associated with intrusive igneous rock bodies like batholiths?

<p>Composed of granite (B)</p> Signup and view all the answers

What geological process leads to the formation of granite domes?

<p>Solidification of magma (C)</p> Signup and view all the answers

How do laccoliths differ from sills in terms of their shape?

<p>Intrusion into existing rock layers (D)</p> Signup and view all the answers

What contributes to the unique formation of granite tors?

<p>Vertical and horizontal joint expansion (D)</p> Signup and view all the answers

In what type of regions are tors primarily found due to extensive massive igneous rock formations?

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

What distinguishes dykes from lopoliths in terms of their shape?

<p>Intrusion parallel to existing strata (C)</p> Signup and view all the answers

What distinguishes laccoliths from lopoliths in terms of their interaction with sedimentary layers?

<p>Laccoliths push the overlying strata upwards, while lopoliths cause the lower layer to sink. (A)</p> Signup and view all the answers

Which geological process contributes most to the unique formation of granite domes over geological timescales?

<p>Erosion and weathering of sedimentary layers (C)</p> Signup and view all the answers

How do sills differ from dykes in terms of their relationship with existing strata?

<p>Sills form horizontally between strata, while dykes cut across them vertically. (A)</p> Signup and view all the answers

Which characteristic primarily distinguishes pipes from sills in terms of their shape and function?

<p>Pipes are chimney-shaped for magma transport, while sills are horizontal layers. (B)</p> Signup and view all the answers

What plays a primary role in causing the distinctive features of tors, like stacked boulders and core stones?

<p>Expansion of joints due to cooling and contracting of rock (C)</p> Signup and view all the answers

How do laccoliths differ from pipes in their relationship with magma transport?

<p>Laccoliths transport magma vertically, while pipes transport magma horizontally. (A)</p> Signup and view all the answers

What geological concept is fundamental in explaining the gradual exposure of massive igneous structures like granite domes?

<p>Erosion and weathering over time (C)</p> Signup and view all the answers

How do dykes differ from sills in terms of their intrusion into existing rock formations?

<p>Dykes cut across existing strata vertically, while sills form horizontally. (D)</p> Signup and view all the answers

Why do most igneous rocks not form in layers unlike sedimentary rocks?

<p>Due to the rapid cooling process of magma underground. (C)</p> Signup and view all the answers

What is a key characteristic that distinguishes batholiths from other intrusive bodies?

<p>Extensive landforms created upon exposure at the Earth's surface. (D)</p> Signup and view all the answers

How do granite domes and tors typically differ when exposed by weathering and erosion?

<p>Granite domes are characterized by sharp peaks while tors have rounded tops. (C)</p> Signup and view all the answers

What contributes to the formation of intrusive igneous rock bodies like batholiths?

<p>Solidification of magma below the Earth's surface. (A)</p> Signup and view all the answers

What distinguishes intrusive igneous rock bodies from extrusive igneous rock formations?

<p>Formation within existing rock formations. (B)</p> Signup and view all the answers

Which geological process contributes significantly to the unique formation of granite tors?

<p>Vertical joint expansion due to geological forces. (B)</p> Signup and view all the answers

What geological process contributes to the formation of tors?

<p>Chemical weathering in the rock below the surface (A)</p> Signup and view all the answers

Which intrusive body is characterized by chimney-shaped intrusions for magma transport?

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

What distinguishes a lopolith from a laccolith in terms of its shape?

<p>Laccoliths push up strata, while lopoliths cause the lower layer to sink (A)</p> Signup and view all the answers

How do sills differ from dykes in terms of their orientation relative to existing strata?

<p>Sills are horizontally oriented, while dykes are vertical (B)</p> Signup and view all the answers

Intrusive igneous rock bodies like pipes primarily serve the purpose of _____?

<p>Transporting magma from deep sources (B)</p> Signup and view all the answers

What distinguishes granite domes from tors in terms of their formation?

<p>Granite domes arise from magma intrusion, while tors form due to erosion and weathering (D)</p> Signup and view all the answers

What characteristic feature defines a lopolith among intrusive rock bodies?

<p>Mushroom-shaped intrusion causing the lower layer to sink (C)</p> Signup and view all the answers

'Erosion and exposure of batholiths or laccoliths' is associated with the formation of _____?

<p><strong>Granite domes</strong> (B)</p> Signup and view all the answers

Flashcards are hidden until you start studying

More Like This

Use Quizgecko on...
Browser
Browser