Image:Black-band ironstone (aka).jpg

From Wikipedia, the free encyclopedia

Wikimedia Commons logo This is a file from the Wikimedia Commons. The description on its description page there is shown below.
Commons is attempting to create a freely licensed media file repository. You can help.
Description
English: This image shows a 2.1 billion years old rock containing black-banded ironstone, which has a weight of about 8.5 tons. The approximately two meter high, three meter wide, and one meter thick block of stone was found in North America and belongs to the National Museum of Mineralogy and Geology in Dresden, Germany.
Deutsch: Dieses Bild zeigt einen etwa 8,5 Tonnen schweren und 2,1 Milliarden Jahre alten Block mit Bändereisenerzen. Der etwa zwei Meter hohe, drei Meter breite und einen Meter tiefe Gesteinsblock wurde in Nordamerika gefunden und gehört dem Staatlichen Museum für Mineralogie und Geologie Dresden.


Camera data

  • Camera Nikon D70
  • Lens Tamron SP AF 90mm/2.8 Di Macro 1:1
  • Focal length 90 mm
  • Aperture f/2.8
  • Exposure time 1/250 s
  • Sensivity ISO 200
 If you use this image outside of the Wikimedia projects, I'd be happy to hear from you. If you want a license with the conditions of your choice, please email me to negotiate terms.

best new image
image
Source

own work
Date

2005-08-26
Author

André Karwath aka Aka
Permission
Creative Commons License
Creative Commons Attribution iconCreative Commons Share Alike icon		 This file is licensed under the Creative Commons Attribution ShareAlike 2.5 License. In short: you are free to share and make derivative works of the file under the conditions that you appropriately attribute it, and that you distribute it only under a license identical to this one. Official license

The following pages on the English Wikipedia link to this file (pages on other projects are not listed):

Retrieved from "http://en.wikipedia.org../../../b/l/a/Image%7EBlack-band_ironstone_%28aka%29.jpg_caa5.html"