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Continental CrustThicker

Less denseOlder (up to 4 billion)

Oceanic CrustThinner

More denseYounger (< 220

Million

Continental CrustThicker

Less denseOlder (up to 4 billion)

Oceanic CrustThinner

More denseYounger (< 220

MillionFigure 13-7

Continental CrustThicker

Less denseOlder (up to 4 billion)

Oceanic CrustThinner

More dense Younger (< 220

Million)

Continental CrustThicker

Less denseOlder (up to 4 billion)

Oceanic CrustThinner

More dense Younger (< 220

Million)Figure 13-7

Continental CrustThicker

Less denseOlder (up to 4 billion)

Oceanic CrustThinner

More denseYounger (< 220 Million)

Continental CrustThicker

Less denseOlder (up to 4 billion)

Oceanic CrustThinner

More denseYounger (< 220 Million)

Figure 13-7

Page 4: Copyright © 2007 Pearson Prentice Hall, Inc. 1 Continental Crust Thicker Less dense Older (up to 4 billion) vs Oceanic Crust Thinner More dense Younger

Nature of the Ocean Floor: TopographyNature of the Ocean Floor: Topography

Convergent Boundaries = Trenches

Page 5: Copyright © 2007 Pearson Prentice Hall, Inc. 1 Continental Crust Thicker Less dense Older (up to 4 billion) vs Oceanic Crust Thinner More dense Younger

Nature of the Ocean Floor: TopographyNature of the Ocean Floor: Topography

Mid Ocean Ridges = Divergent Boundaries

Page 6: Copyright © 2007 Pearson Prentice Hall, Inc. 1 Continental Crust Thicker Less dense Older (up to 4 billion) vs Oceanic Crust Thinner More dense Younger

Figure 13-7

Continents grow by collisionsForming mountains at

continent-continent convergent boundaries

Continents grow by collisionsForming mountains at

continent-continent convergent boundaries

Page 7: Copyright © 2007 Pearson Prentice Hall, Inc. 1 Continental Crust Thicker Less dense Older (up to 4 billion) vs Oceanic Crust Thinner More dense Younger

Continents grow by collisionsForming mountains at

continent-continent convergent boundariesEx. India & Asia

Continents grow by collisionsForming mountains at

continent-continent convergent boundariesEx. India & Asia

Page 8: Copyright © 2007 Pearson Prentice Hall, Inc. 1 Continental Crust Thicker Less dense Older (up to 4 billion) vs Oceanic Crust Thinner More dense Younger

The continents move through time. 225 million years ago they combines into one supercontinert called “Pangea”

Page 9: Copyright © 2007 Pearson Prentice Hall, Inc. 1 Continental Crust Thicker Less dense Older (up to 4 billion) vs Oceanic Crust Thinner More dense Younger

Page 10: Copyright © 2007 Pearson Prentice Hall, Inc. 1 Continental Crust Thicker Less dense Older (up to 4 billion) vs Oceanic Crust Thinner More dense Younger

Cascadia subduction zoneCascadia subduction zone

http://en.wikipedia.org/wiki/Image:Subduction.jpg

Page 11: Copyright © 2007 Pearson Prentice Hall, Inc. 1 Continental Crust Thicker Less dense Older (up to 4 billion) vs Oceanic Crust Thinner More dense Younger

Cascadia subduction zoneCascadia subduction zone

Page 12: Copyright © 2007 Pearson Prentice Hall, Inc. 1 Continental Crust Thicker Less dense Older (up to 4 billion) vs Oceanic Crust Thinner More dense Younger

Earth Quakes in the Cascadia subduction zoneNote zone with few E.Q.s = locked

= potential for very large quake (9.0+)

Earth Quakes in the Cascadia subduction zoneNote zone with few E.Q.s = locked

= potential for very large quake (9.0+)

http://www.nps.gov/archive/olym/geology/accretion.htm

Sedimentary Materials Sedimentary rocks cover 80% of the earth’s surface but only comprise ~1% of the volume of the crust (they are generally NOT dense

ivyhawnschool.org · Web vieware subduction zones, where dense oceanic crust is diving beneath more buoyant continental crust. These boundaries are characterized by a very deep ocean

10 · but less dense continental crust and the oceanic crust which is relatively thinner but denser than continental crust. According to the plate tectonics model, the entire lithosphere

Intrusive Activity Chapter 18.2 Molten Magma is less dense than surrounding rocks. This forces magma to move upward intrude into, the overlying crust

Blood is thicker than water. But€¦ · Blood is thicker than water. But nothing s thicker than brotherhood. Created Date: 11/22/2017 11:53:01 AM

Plate Boundaries. Types of Crust Continental Crust Less dense granite Oceanic Crust More dense basalt

The Hoodoo - npshistory.com...Earth’s crust was crinkling throughout Nevada, into southern Canada. A strong, dense Pacific seafloor had smashed into North America’s weaker continental

Earth Structure. CRUST MANTLE CORE MANTLE CORE CRUST CONTINENTAL CRUST OCEANIC CRUST Peridotite (olivine & augite) Mohorovivic Discontinuity (Moho)

Unit 6: Ocean Floor Structure. Sea Floor Features: Earth's rocky surface is divided into two types: oceanic crust, with a thin dense crust about 10 km

17.1 Notes: Earth’s Mantle & Crust Continental crust Thickness: Continental crust is thicker (30-40Km) Age: older (up to 4.4 billion yrs old) Composition:

Achieve full, Thicker Eyebrow

Fancy a fun way to nd out about the history of the natural ... · life in the seas? a) ... Less dense and thicker than continental crust c) ... Songbirds are thought to have originated

Structuralgeology oftheEarth's exterior*Thesubduction of continental lithosphere is more difficult, because continental crust is less dense than the astheno-sphere. These lithospheric

Unit VI. Solid Earth Circulation A. Structure of the Solid Earth 1. Crust :Thin, brittle, variable composition, least dense. a. Continental Crust: older,

Ocean crust is thin, dense, and young. Continent crust is ...ruby.colorado.edu/~smyth/G1010/04aIntrusives.pdf · IGNEOUS ROCKS Chapter 4 ... Ocean crust is thin, dense, and young

Earth Science Review. 1. Draw and label the 4 major layers of the Earth. Which layer is the densest layer? inner core Least dense? crust

WHAT ARE THE LAYERS OF THE EARTH’S INTERIOR … · Web viewContinental crust is the land on which we live. On average, continental crust is less dense than oceanic crust. The crust

Open Cell (Upholstery) Foam Thicker, less dense than craft foam Thicker, less dense than craft foam Soft, compressable Soft, compressable Cut using scissors,

Blood is thicker than water. - storage.googleapis.com€¦ · Blood is thicker than water. But nothing s thicker than brotherhood. Created Date: 11/22/2017 12:10:45 PM

Sediments on the Sea Floor - University of Texas at Dallasmitterer/Oceanography/pdfs/OCE4Sed… · Sediments on the Sea Floor Why is the sediment on the oceanic crust thicker near

Thicker Than Water

CONTINENTAL CRUST vs. OCEANIC CRUST Solar Wind

Introduction to Planet “Earth”contents.kocw.or.kr/document/origin_of_the_ocean2.pdf · •Buoyancy of lithosphere on asthenosphere – Less dense continental crust floats higher

Rochester City School District€¦ · Web viewOceanic crust is more dense than continental crust. When oceanic crust and continental crust converge, the more-dense oceanic crust

TERRA FIRMA Plate interactions. EARTH’S INTERIOR crust under the oceans - basalt (more dense) crust under the continents - granite (less dense) mantle

Wang 2017 biological soil crust Geoderma - Purdue University · chemistry. BSC sites had thicker soil proﬁles compared to non-BSC sites, which could be a result of past geo-logical

Make Your Hair Thicker

The Deep Oceans. Take-Away Points 1.The earth has two kinds of crust 2.Continents have thick, light, granitic crust, Oceans have thin, dense, basaltic

coachblakleyscience8.weebly.com · Web viewOld oceanic crust is more dense than new oceanic crust because it is . a. hot. b. moving toward a deep-ocean trench. c. cool. d. closer

Introduction Video Clip. Type of MagmaType of Magma –basaltic magma - from oceanic crust –very dense Shape of VolcanoShape of Volcano –shield shaped;

CHAPTER 7 SECTION 2 Restless Continents · spreading? What Is Continental ... Chapter 7 Plate Tectonics SECTION 1 INSIDE THE EARTH 1. The continental crust is thicker and contains

The four terrestrial planets all have similar internal features: Dense, metallic core Less dense, solid/plastic mantle Low-density, solid crust

Litoshpere..Crust & Rigid upper mantle Astenosphere – weak and capable of flow Oceanic and Continental crust Oceanic – 6-12 km thick, dense heavy, basalt,

Three layers forming the skin the dermis, consists of dense irregular connective tissue much thicker than the epidermis The hypodermis is the lightest

12.2 Features of Plate Tectonics - mrvscienceandmath.com · 12.2 Features of Plate Tectonics The Crust The Mantle Outer Core Inner Core. ... • If a dense oceanic plate collides

copyright © 2007 pearson prentice hall, inc. 1 continental crust thicker less dense older (up to 4...

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