File:X-ray radiographs cores 5 & 7.png

Original file(687 × 1,282 pixels, file size: 763 KB, MIME type: image/png)

Summary edit

Description

These are X-ray radiographs of the lower part of core 5 and of core 7.

Source

The image appears on a website entitled, "The recent sedimentation history of Thingvallavatn,Iceland" at https://www.researchgate.net/profile/Haflidi_Haflidason/publication/272584014_The_Recent_Sedimentation_History_of_Thingvallavatn_Iceland/links/550da91d0cf2ac2905a933c9.pdf.

Date

29 November 1990

Author

Haflidi Haflidason, Gudrun Larsen and Gunnar Olafsson

Rationale

No free licensed or public domain alternatives known to exist to show X-ray radiographs of the lower part of core 5 and of core 7 of sediments in the Thingvellir lake basin successfully dated by tephra layers back to ca. AD 900, the time of Nordic Settlement in Iceland, about 1990.

Permission

Fair use

Red copyright symbol

This work is copyrighted. The individual who uploaded this work and first used it in an article, as well as subsequent persons who place it into articles, asserts that this qualifies as fair use of the material under United States copyright law.

This template must be accompanied by a {{Non-free media rationale}} justifying the assertion of fair use.

Note: The kinds of things that are considered acceptable for fair use on Wikiversity is significantly less than what is legally permitted. Please consult the Wikimedia Foundation Fair Use Policy to see if this content is permitted on Wikiversity under these further restrictions. Familiarize yourself with the Wikiversity Exemption Doctrine Policy before using this template.

Fair use Fair use of copyrighted material //en.wikiversity.org/wiki/File:X-ray_radiographs_cores_5_%26_7.png


File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current02:05, 22 October 2017Thumbnail for version as of 02:05, 22 October 2017687 × 1,282 (763 KB)Marshallsumter (discuss | contribs){{Information |Description=These are X-ray radiographs of the lower part of core 5 and of core 7. |Source=The image appears on a website entitled, "The recent sedimentation history of Thingvallavatn,Iceland" at https://www.researchgate.net/profile/Hafl...

Metadata