Image:Black-band ironstone (aka).jpg

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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
 Please help translating the description into more languages. Thanks a lot!

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 icon Creative 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

File history

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

Date/Time Dimensions User Comment
current 20:53, 27 August 2005 2,692×1,936 (1.66 MB) Aka
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