Mountain Building - PowerPoint PPT Presentation

1 / 14
About This Presentation
Title:

Mountain Building

Description:

Mountain Building. Chapter 20. Isostatic Rebound crust ... syncline. Example of new crust being formed at Iceland. _ type volcano on the mid-Atlantic ridge. ... – PowerPoint PPT presentation

Number of Views:276
Avg rating:3.0/5.0
Slides: 15
Provided by: scotts95
Category:

less

Transcript and Presenter's Notes

Title: Mountain Building


1
Mountain Building
  • Chapter 20

2
Isostatic Rebound crust rises as a result of
__________________
removal of mass
This iceberg demonstrates the process of
isostatic rebound.
3
Folded rock layers produced by compressional
forces. This part of the folded mountain shows a
__________.
syncline
4
Example of new crust being formed at
Iceland. _____ type volcano on the mid-Atlantic
ridge.
Sheild
5
Convergent-Boundary Mountains
  • The following three slides show mountain types
    produced when plates move __________.

together
6
Ocean-Ocean Convergence
Volcanic island arc
trench
Basaltic magma
Examples Aleutian Islands, Phillipines,______
Japan
7
Ocean-Continental Convergence
volcanic mountains
trench
metamorphic rock
Andesitic magma, granitic intrusions
Examples ________, Andes
Cascades
8
Continental-Continental Convergence
folded mountains
metamorphic and sedimentary rock
faults
igneous intrusions
Appalachians
Examples Himalayas,______________
9
Nonconvergent-Boundary Mountains
  • The next four slides show mountains formed at
    divergent boundaries (plates moving _____), hot
    spots, and areas of faulting or uplift.

apart
10
Divergent-Boundary Mountain
pillow basalts
intrusive rock
Example
Mid-Atlantic Ridge
11
Volcanic Hot Spot Mountain
extrusive ingneous rock
Hawaii
Example ______, Galapagos
12
Uplifted Mountains
intrusive igneous rock, less structural
deformation
Adirondacks
Example ____________
13
Fault-Block Mountains
mostly sedimentary rock
Example __________, Basin and Range
Grand Tetons
14
Mountain Building Review
  • The Galapagos Islands formed as a result of a
    ___________.
  • The Appalachians are about _________ years old.
  • The Appalachians are a __________ mountain range.
  • The Cascades (Mt St Helens, Mt Rainier,) are a
    ___________ mountain range with ___________
    eruptions.

hot spot
600-700 million
folded
volcanic
explosive
Write a Comment
User Comments (0)
About PowerShow.com