FigureSlabAvalanche.jpg

Summary

Media data and Non-free use rationale
Description	Diagram illustrating the following: As the slab is subducted into the mantle, the more dense material will sink break off and sink to the lower mantle creating a discontinuity elsewhere known as a slab avalanche (Rogers and Santosh 2004).
Author or copyright owner	J. Rogers, M. Santosh
Source (WP:NFCC#4)	Rogers, John J.W., and M. Santosh. Continents and Supercontinents. Oxford: Oxford UP, 2004. Print.
Use in article (WP:NFCC#7)	Supercontinent
Purpose of use in article (WP:NFCC#8)	To serve as the primary educational means of visually illustrating a slab avalanche in the lower mantle
Not replaceable with free media because (WP:NFCC#1)	n.a.
Minimal use (WP:NFCC#3)	Low resolution, used once, only in this article. One image from a much larger work.
Respect for commercial opportunities (WP:NFCC#2)	n.a.
Fair useFair use of copyrighted material in the context of Supercontinent//en.wikipedia.org/wiki/File:FigureSlabAvalanche.jpgtrue

This work is copyrighted (or assumed to be copyrighted) and unlicensed. It does not fall into one of the blanket acceptable non-free content categories listed at Wikipedia:Non-free content § Images or Wikipedia:Non-free content § Audio clips, and it is not covered by a more specific non-free content license listed at Category:Wikipedia non-free file copyright templates. However, it is believed that the use of this work:

To illustrate the subject in question
Where no free equivalent is available or could be created that would adequately give the same information
On the English-language Wikipedia, hosted on servers in the United States by the non-profit Wikimedia Foundation,

qualifies as fair use under United States copyright law. Any other uses of this image, on Wikipedia or elsewhere, may be copyright infringement. See Wikipedia:Non-free content and Wikipedia:Copyrights.
Fair use

Camera manufacturer	Canon
Camera model	Canon PowerShot SD870 IS
Exposure time	1/60 sec (0.016666666666667)
F-number	f/2.8
ISO speed rating	160
Date and time of data generation	12:04, 7 December 2012
Lens focal length	4.6 mm
Orientation	Normal
Horizontal resolution	180 dpi
Vertical resolution	180 dpi
File change date and time	12:03, 7 December 2012
Y and C positioning	Centered
Exif version	2.2
Date and time of digitizing	12:04, 7 December 2012
Meaning of each component	Y Cb Cr does not exist
Image compression mode	3
Shutter speed	5.90625
APEX aperture	2.96875
Exposure bias	0
Maximum land aperture	2.96875 APEX (f/2.8)
Metering mode	Pattern
Flash	Flash did not fire, auto mode
Supported Flashpix version	1
Color space	sRGB
Focal plane X resolution	14,506.666666667
Focal plane Y resolution	14,485.207100592
Focal plane resolution unit	inches
Sensing method	One-chip color area sensor
File source	Digital still camera
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Digital zoom ratio	1
Scene capture type	Standard
Image width	3,264 px
Image height	2,448 px