exam 2 a
Integrative Studies In Physical Science 203a with Taggart at Michigan State University
About this deck
By: Lauren Draper
Textbook:
Study Guide for Thompson/Turk's Earth Science and the Environment, 3rd
Created: 2009-02-17
Size: 21 flashcards
Views: 89
Textbook:
Study Guide for Thompson/Turk's Earth Science and the Environment, 3rdCreated: 2009-02-17
Size: 21 flashcards
Views: 89
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How are igneous rocks formed?
Liquid rock from the interior comes out or injected into another rock
The liquid lava (magma) is cooled
The liquid lava (magma) is cooled
If igneous rocks are cooled rapidly...
The crystals imbedded will be microscopic.
If igneous rocks are cooled slowly..
The crystals will build up.
What is an extrusive igneous rock?
The liquid rock is being foreced out of the earth.
What is an intrusive igneous rock?
Some become trapped in another rock.
What is basalt?
Hardened liquid rock.
Characteristics of basalt
Laid our in sheets
See the layers
Bubbles in the rock = gas from the lava.
See the layers
Bubbles in the rock = gas from the lava.
What is Columnar Basalt?
If the layer is very thick then it takes forever to cool.
They may crack forming columns
They may crack forming columns
What are Pillow Basalts?
When the lava forms underwater.
The water forms LUMPS of basalt
Lakes also, only smaller.
The water forms LUMPS of basalt
Lakes also, only smaller.
What are Decan Traps?
"Flood Basalt"
Thick and spread very far.
Moves across the land like a flood.
Cracking of th crust.
"trap=the step-like weathering pattern.
Thick and spread very far.
Moves across the land like a flood.
Cracking of th crust.
"trap=the step-like weathering pattern.
Most common Igneous rocks
Granite
Obsidian-volcanic grass
Classified by chemical make-up
Obsidian-volcanic grass
Classified by chemical make-up
What are Plutons?
Magnetic material that INTRUDES into the earth
Insulated by teh rock around it.
Cools very slowly because there is so much
Insulated by teh rock around it.
Cools very slowly because there is so much
What are Pikes?
Forces through cracks
Cools quickly
Holds back water
LIKE A WALL
Vertical masses of intrusive basalt.
Cools quickly
Holds back water
LIKE A WALL
Vertical masses of intrusive basalt.
What is a Sill?
Looks like a ledge/window sill.
Vertical or horizontal.
Comes from pressure
Takes easy way out.
Follows cracks
Vertical or horizontal.
Comes from pressure
Takes easy way out.
Follows cracks
Where do Sedimentary rocks form?
Deltas
Why do Sedimentary Rocks from at the Deltas?
The material slows down at the delta and settles down, forming at the sides
Causes the delta to sink.
Causes the delta to sink.
Types of Sedimentary rocks.
Common=Shale and Silstone
Sandstone & Limestone
Sandstone & Limestone
What don't we find fossils in igneous rocks?
The lava is not as fluid, it cools down.
Why is Shale more common?
Takes more energy to move sand that it does shale.
How are Metamorphic Rocks?
Changed character after a heating or a temperature change.
About this deck
By: Lauren Draper
Textbook: Study Guide for Thompson/Turk's Earth Science and the Environment, 3rd
Created: 2009-02-17
Size: 21 flashcards
Views: 89
Textbook:
Study Guide for Thompson/Turk's Earth Science and the Environment, 3rdCreated: 2009-02-17
Size: 21 flashcards
Views: 89
About StudyBlue
STUDYBLUE makes things that make you better at school.
Things like online flashcards with photos and audio.
Things like personalized quizzes and friendly reminders about when (and what) to study next.
Think of it as a digital backpack™: access to all of your study materials online and on your phone.
STUDYBLUE exists to make studying efficient and effective for every student, for free. Join us.
“I have used this website for three exams, and I see a huge difference in my test results.”
Naj
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