07 - Earth structure

07 - Earth structure - Lecture 7: 2 February Next:

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
1 Landform Geography: Earth’s Structure Lecture 7: 2 February Lecture outline: 1. Introduction 2. The Structure of the Earth 3 The Composition of the Earth Minerals Next : 4 Feb: The Internal Processes (Ch. 14) 9 Feb: Exam 1 3. The Composition of the Earth – Minerals 4. The Composition of the Earth–Rocks Introduction Minerals Naturally formed compounds and Elements of Earth Rocks Comprise one or more minerals Landscapes Built from rocks Geomorphology Mineralogy Petrology …all influenced by the Earth’s internal structure…. The Structure of the Earth Largely indirect evidence –only 1/1000 th of Earth has been directly studied FYI: 2.4 miles mine shaft and 8 mile core Geophysical means shockwaves 2. The Structure of the Earth Figure 13.1 Vertical structure of Earth’s interior – four regions JOIDES Resolution The Structure of the Earth 2. The Structure of the Earth Crust • Continental –~ 1 5 miles thick –G r a n i t e and silica –D e n
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2 The Structure of the Earth 2. The Structure of the Earth Mantle •T o ~ 1800 miles • Volumetrically large (>80%) •L a y e r s : • Lithosphere • Asthenosphere (“weak sphere”) Figure 13.2 •L o w e r Mantle The Structure of the Earth 2. The Structure of the Earth Outer Core •M o l t e n (liquid) Inner Core o t ! • Iron and nickel The Composition of Earth Minerals Naturally formed compounds and Elements of Earth Rocks Comprise one or more minerals Landscapes Built from rocks Geomorphology Mineralogy Petrology Geomorphology …all influenced by the Earth’s internal structure…. The Composition of Earth: Minerals Minerals Naturally formed compounds and Elements of Earth Rocks Comprise one or more minerals 3. The Composition of the Earth Must :
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 12

07 - Earth structure - Lecture 7: 2 February Next:

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online