Image: Vulkaanilise tuha kiht
Size of this preview: 800 × 600 pixels. Other resolutions: 320 × 240 pixels | 3,200 × 2,400 pixels.
Original image (3,200 × 2,400 pixels, file size: 1.75 MB, MIME type: image/jpeg)
Description: 454 million years old volcanic ash between the layes of limestone in the catacombs of Peter the Great's Naval Fortress in Estonia near Laagri. The diameter of objective cover is 58 mm.
Title: Vulkaanilise tuha kiht
Credit: Own work
Author: Ivo Kruusamägi
Permission: When using this picture outside of Wikipedia the name of the author and the name Wikipedia (or Vikipeedia) must be mentioned.
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License: CC BY-SA 3.0
License Link: https://creativecommons.org/licenses/by-sa/3.0
Attribution Required?: Yes
Image usage
The following page links to this image:
All content from Kiddle encyclopedia articles (including the article images and facts) can be freely used under Attribution-ShareAlike license, unless stated otherwise.
